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1 Channel RF Remote Control Module AC 110V - 220V
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Was: $18.67
Sale: $10.78
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Elecrow Item #: EL-CRF22001C -

This 1 channel latching relay module whose output is passive output, can be controlled by its 2-button RF wireless controller, when the module is powered on. The module must be equipped with a suitable remote control, it also can drive most of household electrical appliances.Features Able to control various appliances and other equipments with large current Equipped with high-current relay Standard interface that can be controlled directly by microcontroller LED indication for Relay output...

1 Channel RF Remote Control Module DC 5V
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Price: $18.54
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Elecrow Item #: EL-CRF00501C -

This 1 channel latching relay module whose output is passive output, can be controlled by its 2-button RF wireless controller, when the module is powered on. The module must be equipped with a suitable remote control, it also can drive most of household electrical appliances. Features Able to control various appliances and other equipments with large current Equipped with high-current relay Standard interface that can be controlled directly by microcontroller LED indication for Relay output...

125K RF Card E4100
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Price: $0.93
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Elecrow Item #: EL-CEM4100RF -

    This is a proximity identification token of 125Khz, EM4100. You can use it with the 125K RFID reader module, often used for electronic locks or customer identification. Specification Frequency: 125K Dimension: 85.5mm x 54mm x 1mm ...

125Khz RFID modue- UART
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Elecrow Item #: EL-CRRF125RM -

125Khz RFID module - UART
Price: $26.75
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SeeedStudio Item #: SWRFID125 -

125Khz RFID module - UARTRDM 125KHz card mini-module is designed for reading code from 125KHz card compatible read-only tags and read/write card . It can be applied in office/home security, personal identification, access control, anti-forgery, interactive toy and production control systems etc. FEATURES Support external antenna Maximum effective distance up to 150mm Less than 100ms decoding time UART TTL interface Support EM4100 compatible read only or read/write tags Built-in...

13.56MHz RFID/NFC Bracelet
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Price: $7.52
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Adafruit Item #: ADA-921 -

This is a blank 13.56MHz RFID/NFC silicone bracelet. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit NFC/RFID Shield for Arduino! These chips can be written...

13.56MHz RFID/NFC Clear Keychain Fob
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Adafruit Item #: ADA-363 -

This is a blank 13.56MHz RFID/NFC keychain fob - often used for keys but also an easy way to tag something. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit...

13.56MHz RFID/NFC Clear Tag
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Adafruit Item #: ADA-361 -

This is a blank 13.56MHz Classic 'laundry' tag - often used for laundry or identification but also found in other systems where a small proximity card is desired. This one is clear! The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested...

13.56MHz RFID/NFC Leather Keychain Fob
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Adafruit Item #: ADA-1482 -

This is a blank 13.56MHz RFID/NFC keychain fob. The fob contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit NFC/RFID Shield for Arduino! These chips can be written to &...

13.56MHz RFID/NFC Plastic Nail
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Adafruit Item #: ADA-1483 -

This is a blank 13.56MHz RFID/NFC 'nail'- often used to 'hammer' in a 13.56MHz RFID/NFC tag. The nail contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit NFC/RFID Shield...

13.56MHz RFID/NFC Sticker
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Adafruit Item #: ADA-362 -

This is a blank 13.56MHz RFID/NFC sticker - often used for inventory uses but also wherever a sticker is desired. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and...

13.56MHz RFID/NFC White Tag
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Price: $4.76
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Adafruit Item #: ADA-360 -

This is a blank 13.56MHz RFID/NFC laundry tag - often used for laundry but also general tagging. The tag contains a small RFID chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. These can be read by almost any 13.56MHz RFID/NFC reader but make sure it can handle ISO/IEC 14443 Type A cards as there are a few other encoding standards (like FeLica) They are tested and work great with both our PN532 NFC/RFID breakout board and Adafruit NFC/RFID...

150M Miniature WiFi (802.11n) Module for Raspberry Pi
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Price: $20.85
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DFRobot Item #: FIT0368 -

<div>EDUP&quot;s Wireless-N USB 2.0 Adapter allows you to connect your devices such as laptop, PC and miniPC to any Wireless-N networks in your home or office. The Wireless-N (802.11n) USB 2.0 Adapter is great for those who want to connect devices to internet over a Wireless-N network.</div><div>&nbsp;</div><div>At 5 times faster than traditional Wireless-G (802.11b) networks, Wireless-N networks allow for high speed data transfers, online gaming, and...

1Sheeld+
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Price: $110.40
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Sparkfun Item #: CEL-14333 -

"The 1Sheeld+ is an easily configured shield for Arduino. It has a built-in Bluetooth Low Energy (BLE) module that gives to your Arduino the capability to connect itself to your iOS and Android phones. Thanks to the 1Sheeld app available on the App Store or Google Play, you can easily associate your iPhone or Android device to it, turning your smartphone into a shield itself. Once connected you can control your Arduino with the smartphone, sending data and controlling pins, but you can also do...

1Sheeld+ for iOS and Android
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Price: $104.74
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Adafruit Item #: ADA-3408 -

1Sheeld+ is a "Bluetooth LE Tethered" shield for Arduino. Plug it into your Arduino and then run the matching mobile app on your tablet or phone. Once paired, the mobile app that allows the usage of all your smartphones' capabilities such as LCD Screen, Gyroscope, Switches, LEDs, Accelerometer, Magnetometer, GSM, Wi-Fi, GPS, etc. into your Arduino sketch. The 1Sheeld+ works with iOS as well as Android! The first part is a shield that is physically connected to your Arduino board and acts as a...

2 Channels RF Remote Control Module DC 5V
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Price: $20.86
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Elecrow Item #: EL-CRF00502C -

This 2-channel latching relay module whose output is passive output, can be controlled by its 3-button RF wireless controller, when the module is powered on. The module must be equipped with a suitable remote control, it also can drive most of household electrical appliances. Features Able to control various appliances and other equipments with large current Equipped with high-current relay Standard interface that can be controlled directly by microcontroller LED indication for Relay output...

2.4G 3dBi WiFi Antenna
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Price: $3.01
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Elecrow Item #: EL-WAW24031A -

    2.4G 3dBi WiFi Antenna for DIY projects. Electrical Characteristics Frequency: 2400 ~ 2500 MHz S.W.R. <= 2.0 @ 2400 MHz ~ 2500 MHz Antenna Gain: 3.0 � 0.7dBi Impedance: 50 Ohm Environmental Operation Temperature: - 40 �C ~ + 65 �C Storage Temperature: - 40 �C ~ + 80 �C ...

2.4G 4.5dBi WiFi Antenna
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Price: $3.87
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Elecrow Item #: EL-WAW24451A -

    2.4G 4.5dBi WiFi Antenna for DIY projects. Electrical Characteristics Frequency 2400 ~ 2500 MHz S.W.R. <= 2.0 @ 2400 MHz ~ 2500 MHz Antenna Gain 4.5dBi Impedance 50 Ohm Environmental Operation Temperature - 40 �C ~ + 65 �C Storage Temperature - 40 �C ~ + 80 �C ...

2.4G 4DB IPEX WIFI/Bluetooth Module Antenna
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Elecrow Item #: EL-CBT02009A -

This is a 2.4G 4db high gain Bluetooth/Wifi antenna, It has a very high sensitivity which is using the material of radiator PCB, It can work with our SIM808 shield cause that we upgrade the firmware and increase of bluetooth function. If you are using our old version of sim808 shield, and you want to upgrade it by yourself, you may need this antenna. Of course, as a high-quality 2.4G Bluetooth antenna, in your other projects where you can also use it. And we will add a ipex socket  for...

2.4G 4dBi WiFi Antenna With Cover
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Sale: $2.06
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Elecrow Item #: EL-WAW24040A -

    This is a 2.4G 4dBi WiFi Antenna with ipex13 for DIY projects. Electrical Characteristics Frequency 2400 ~ 2500 MHz S.W.R. <= 2.0 @ 2400 MHz ~ 2500 MHz Antenna Gain 4dBi Impedance 50 Ohm Environmental Operation Temperature - 40 �C ~ + 65 �C Storage Temperature - 40 �C ~ + 80 �C ...

2.4GHz 14dbi Directional Panel Antenna kit for WiFi Router
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Price: $24.83
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Elecrow Item #: EL-WCW29099R -

This outdoor antenna will receive or transmit signals up 4 miles away under ideal circumstances. Normal conditions will allow it to operate between 1 and 3 miles. This antenna is outdoor rated, waterproof, tough and good performance even in a hurricane. Features -Flat panel directional antenna for WiFi or router Firm for thickening stents Stronger and stable signal:Welding lead directly High efficiency reflection to receive Durable and weatherproof, easy to install mounting plate Come with a...

2.4GHz 6dBi Antenna with IPEX Connector
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Price: $9.13
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DFRobot Item #: FIT0505 -

This is an omni-directional antenna with an IPEX connector. Its working frequency is 2.4GHz which meets most requirements of Wi-Fi devices. With 6dBi high gain, it offers robust signal reception and transmission. It is ideal for use with a <a href=&quot;https://www.dfrobot.com/product-1404.html&quot; target=&quot;_blank&quot;>LattePanda</a> <a href=&quot;https://www.dfrobot.com/category-177.html&quot; target=&quot;_blank&quot;>single board...

2.4GHz Antenna - Adhesive (U.FL Connector)
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Price: $8.04
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Sparkfun Item #: WRL-11320 -

"This adhesive, omni-directional antenna is perfect for situations when you’re trying to get a signal out from a transmitter that you’ve jammed down into an enclosure. Operating on the 2.4GHz band, it works great for WiFi, Bluetooth or ZigBee. Just connect the antenna using the attached u.fl connector and then peel and stick! Dimensions: 41 x 30mm, 350mm cable Features: Type: Omni-Directional Dual Frequency Range: 2300 to 3800MHz & 5150 to 5875MHz Impedance: 50 Ohm Maximum...

2.4GHz Ceramic Chip Antenna
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Sparkfun Item #: WRL-00144 -

"2.4GHz ceramic chip antennas. Very small antennas that work nicely with the Nordic ICs. Don’t expect these little guys to perform as well as their ~2" rubber duck counter parts, but then again, these will squeeze onto any PCB layout. Dimensions: 2.2x6.5mm Documents: chip-antenna-2.4ghz.pdf"

2.4GHz Dipole Swivel Antenna with RP-SMA - 2dBi
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Price: $13.24
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Adafruit Item #: ADA-944 -

This 4"/100mm long swivel dipole antenna has 2dBi of gain and 50? impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as: 2.4GHz Wi-Fi (802.11b/g/n) 2.4GHz XBee Bluetooth Other 2.4GHz transceivers Antenna comes with the industry standard RP-SMA connector that is found on nearly all WiFi devices. If you need to connect this to a SMA connector, use this handy adapter and if you need to connect to a u.FL connector, just pop on this adapter.

2.4GHz Dipole Swivel Antenna with RP-SMA - 5dBi
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Price: $17.04
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Adafruit Item #: ADA-945 -

This 8"/200mm long swivel dipole antenna has 5dBi of gain and 50? impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as: 2.4GHz Wi-Fi (802.11b/g/n) 2.4GHz XBee Bluetooth Other 2.4GHz transceivers Antenna comes with the industry standard RP-SMA connector that is found on nearly all WiFi devices. If you need to connect this to a SMA connector, use this handy adapter and if you need to connect to a u.FL connector, just pop on this adapter.

2.4GHz Duck Antenna RP-SMA
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Sale: $7.36
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Sparkfun Item #: WRL-00145 -

"2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. 4" long. The FCC is moving towards Part 15 compliance. All this means is that all the SMA RF connectors are changing gender. Really annoying for those of us who need to mate an antenna to an RF device. The FCC gender change was instituted to prevent home users from damaging RF equipment (think home WiFi) when screwing on an antenna. If all antennas are female, there...

2.4GHz Duck Antenna RP-SMA - Large
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Sparkfun Item #: WRL-00558 -

"Need range? 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. This antenna mates nicely with the Reverse Polarized SMA Connector. Dimensions: 0.5x7.7" Documents:Datasheet"

2.4GHz Mini Flexible WiFi Antenna with uFL Connector
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Adafruit Item #: ADA-2308 -

This 4" / 100mm long flexible uFL 2.4GHz antenna has approx 4DBi gain and a 50? impedance so it will work fantastically with just about any 2.4-2.5GHz wireless receiver/transmitter such as the Adafruit CC3000s! Antenna comes with a uFL (a.k.a u.FL / IPX / IPEX) connector, so no more need for additional adapters to get your IoT cloud flying high!

2mm 10pin XBee Socket
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Price: $1.55
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DFRobot Item #: FIT0158 -

<div>This is a 10-pin socket with 2mm(0.08&quot;) pitch that mates with the popular XBee radio from Maxstream. Use this small part to avoid having to solder your precious radio to a PCB. You&#39;ll need two of these sockets to connect to all 20 pins on the XBee.</div><div>Please Note: This item is sold as a single side, not in pairs.</div><div>&nbsp;</div>|Specification|<ul> <li>2mm(0.08&quot;) 10pin Xbee compatible...

315M RF Controller Kit
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Elecrow Item #: EL-WRF315KIT -

    This wireless controller kit uses the SC2273-L4 SC2272-M4 to encode& decode, very suit for simple wireless controls. It is consist of a keyfob 4-Button RF remote controller and a simple RF M4 receiver, There's no programming, configuring or addressing - simply power the receiver with 5VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first pin, when the B button is pressed, it activates the second one, and so...

315Mhz RF Transmitting Module
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Elecrow Item #: EL-WRF31501R -

    The 315MHz RF link kit is consisted of transmitter and receiver, popular used for remote control. We suggest you use the Arduino VirtualWire library to use this kit.Please refer to the wiki for more details.      Specification Frequency: 315Mhz Modulation: ASK Receiver Data Output: High - 1/2 Vcc, Low - 0.7v Transmitor Input Voltage: 3-12V (high voltage = more transmitting power) Package list 315MHz RF Transmitter x1 315MHz RF Receiver x1 Wiki &...

32u4 with A6 GPRS GSM Board
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Sale: $32.65
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Elecrow Item #: EL-ACM32406G -

The 32U4 with A6 GSM/GPRS Board is based on mega32U4 and A6 GSM/GPRS module. It can be used to call and seed text messages, via GPRS to upload data to server. At the same time it leads to an analog interface, an IIC interface and 2 digital interface. which you can connect to other module more easily.Remote control and data acquisition will be more convenient.It is worth mentioning that this module can be powered by battery, and comes with a battery charging circuit, some IOT projects will make...

32u4 with Lora RFM95 IOT Board-868MHz/915MHz
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Elecrow Item #: EL-WIR01322B -

The 32u4 with LoRa RFM95 IOT Board consists of the mega24u and the wireless transport module RFM95. The module can accomplish ultra long distance transmission of data, that is, it can provide ultra long range spread spectrum communication and high anti-interference. It also has the function of transmitting data through the wall. The wireless transmission module is mainly used in remote control, telemetry, remote communication equipment, robot control, wireless communications and so on. Its...

4 Channels RF Remote Control Module DC 5V
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Elecrow Item #: EL-CRF00504C -

This 4-channel latching relay module whose output is passive output, can be controlled by its 5-button RF wireless controller, when the module is powered on. The module must be equipped with a suitable remote control, it also can drive most of household electrical appliances. Features Able to control various appliances and other equipments with large current Equipped with high-current relay Standard interface that can be controlled directly by microcontroller LED indication for Relay output...

433/470/868/915MHz RHF76-052 SX1276 LoRa Module with Ultra Long Distance
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Price: $31.45
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Elecrow Item #: EL-WCW00514L -

The chip of this module is SX127X, and put STM32L052C8T6 inside. With low consumption design, it can work above 10 years with periodic polling wake up energy saving mode. This ship uses LoRa SSM technology, it has high acceptance sensitivity, super anti-interference ability. The communication distance, acceptance sensitivity is far beyond the current FSK, GFSK modulation. This module uses LoRa extended chip, which has high performance, low power consumption, stable function. The PCB of this...

433MHz RF Transceiver CC1101 Module
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Elecrow Item #: EL-WRF11010R -

    The CC1101 is a low-cost sub- 1 GHz transceiver designed for very low-power wireless applications. The circuit is mainly intended for the ISM (Industrial, Scientific and Medical) and SRD (Short Range Device) frequency bands at 315, 433, 868, and 915 MHz, but can easily be programmed for operation at otherfrequencies in the 300-348 MHz, 387-464 MHz and 779-928 MHz bands. Features input voltage :3.3V maximum operating speed: 500kbps, support 2-FSK, GFSK and MSK...

433Mhz RF Transmitting Module
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Elecrow Item #: EL-WRF43301R -

    The 433MHz RF link kit is consisted of transmitter and receiver, popular used for remote control. We suggest you use the Arduino VirtualWire library to use this kit.Please refer to the wiki for more details.      Specification Frequency: 433Mhz Modulation: ASK Receiver Data Output: High - 1/2 Vcc, Low - 0.7v Transmitor Input Voltage: 3-12V (high voltage = more transmitting power) Package list 433MHz RF Transmitter x1 433MHz RF Receiver x1 Wiki &...

433Mhz Serial RF Module HC-12 (1000M)
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Elecrow Item #: EL-WHC0012RF -

    HC-12 wireless serial port communication module is a new-generation multichannel embedded wireless data transmission module. Its wireless working frequency band is 433.4-473.0MHz, multiple channels can be set, with the stepping of 400 KHz, and there are totally 100 channels. The maximum transmitting power of module is 100mW (20dBm), the receiving sensitivity is -117dBm at baud rate of 5,000bps in the air, and the communication distance is 1,000m in open space....

434Mhz Serial RF Module HC-11 (1-40M)
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Price: $20.36
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Elecrow Item #: EL-WHC0011RF -

     The serial RF module is a low cost, high performance transparent FSK transceiver with operating at 434 MHz. It features small size, high output power, high sensitivity, long transmission distance and high communication data rate with auto set up for communication change and data receiving and transmission control. With the UART interface, it is easy to realize the wireless data transmission with only providing the UART data. It is flexible for the users to set the UART...

800/900/1800/1900 MHz GSM Antenna
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Price: $2.78
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Elecrow Item #: EL-WAW19001A -

    GSM antenna for 800/900/1800/1900 GSM network. Features Connector: ipex13 Frequency:800~960,1710~2170 mHz

900Mhz Antenna Kit - For LoPy, LoRa, etc
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Price: $24.28
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Adafruit Item #: ADA-3340 -

This LoRa Antenna Kit is meant for use with the LoPy LoRa, WiFi and BLE board or the SiPy Sigfox, WiFi and BLE board. But it's good for any 900MHz radio, including our LoRa breakouts/Feathers or even the RFM69 900MHz radios we stock! Includes: External antenna. RF Cable Assemblies SMA(F) JK-IPEX MHF U.FL 1.13 100MM RP-SMA Tilt Swivel 1/2 Wave Whip antenna - to match with RP-SMA connectors like this one. NOTE: Using the LoRa/Sigfox radio without the external antenna can lead to damage of the...

900MHz Duck Antenna RP-SMA
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Price: $12.78
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Sparkfun Item #: WRL-09143 -

"900/1800 MHz Duck Antenna 2dBi with regular RP-SMA RF connector. Perfect for use with the XBee 900MHz units. 50 ohm impedance. 105mm long. The FCC is moving towards Part 15 compliance. All this means is that all the SMA RF connectors are changing gender. Really annoying for those of us who need to mate an antenna to an RF device. The FCC gender change was instituted to prevent home users from damaging RF equipment (think home WiFi) when screwing on an antenna. If all antennas are female,...

A6 GPRS/GSM Shield
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Price: $33.94
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Elecrow Item #: EL-ACS20950A -

This is a A6 GPRS/GSM Shield, which is use the newest A6 gprs/gsm module, A6 is a low-cost but efficient chip. With its ultra-small size, low power consumption and wide operating temperature range, A6 is an ideal solution for M2M applications, for automotive, industrial and PDA, personal tracking, power environmental monitoring, wireless POS, smart metering, and other M2M applications , to provide comprehensive GSM / GPRS text messaging, voice and data transmission services. We design this A6...

ACKme WiConnect WiFi Module - Mackerel Evaluation Board
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Price: $104.64
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Adafruit Item #: ADA-2022 -

The same team that built Roving Networks is now at ACKme, where they're designing the future of WiFi connectivity. Their first release is the ACKme WiConnect, a super-smart WiFi module that has a lot of built-in capability such as SSL, AP mode, auto-connection, etc.The AMW004-E03 �Mackerel� evaluation board provides a quick and easy way to evaluate and develop using WiConnect with the surface mount AMW004 Wallaby module. Using the Wallaby module is a breeze with Mackerel, simply plug the board...

Adafruit ATWINC1500 WiFi Breakout
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Adafruit Item #: ADA-2999 -

Connect your Arduino to the Internet with this fine new FCC-certified WiFi module from Atmel. This 802.11bgn-capable WiFi module is the best new thing for networking your devices, with SSL support and rock solid performance - running our adafruit.io MQTT demo for a full weekend straight with no hiccups (it would have run longer but we had to go to work, so we unplugged it). We like these so much, they've completely replaced the CC3000 module on all our projects. The Adafruit ATWINC1500 WiFi...

Adafruit ATWINC1500 WiFi Breakout with uFL Connector
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Price: $47.51
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Adafruit Item #: ADA-3060 -

Connect your Arduino to the Internet with this fine new FCC-certified WiFi module from Atmel. This 802.11bgn-capable WiFi module is the best new thing for networking your devices, with SSL support and rock solid performance - running our adafruit.io MQTT demo for a full weekend straight with no hiccups (it would have run longer but we had to go to work, so we unplugged it). We like these so much, they've completely replaced the CC3000 module on all our projects. The Adafruit ATWINC1500 WiFi...

Adafruit Bluefruit LE Shield - Bluetooth LE for Arduino
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Price: $37.99
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Adafruit Item #: ADA-2746 -

Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE Shield for Arduino! The Bluefruit LE Shield makes it easy to add Bluetooth Low Energy connectivity to your Arduino or compatible. Solder in the included headers and plug right in. It connects to your Arduino or other...