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GSM/GPRS Module - SM5100B
Price: $71.48
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Availability: Back Order
Sparkfun Item #: CEL-09533 -

"The SM5100B is a miniature, quad-band GSM 850/EGSM 900/DCS 1800/PCS 1900 module, which can be integrated into a great number of wireless projects. You can use this module to accomplish almost anything a normal cell phone can - SMS text messages, GSM/GPRS, TCP/IP, and more! This module features two UARTS, an SPI interface, and two 10-bit ADCs. It also supports Li-ion battery charging, a 4x6 keypad, and an LCD interface. Inputs/outputs are available for a speaker and microphone. An antenna does...

Particle Electron 3G Kit (Americas/Aus)
OOD!
Price: $119.05
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Availability: Back Order
Sparkfun Item #: WRL-14211 -

"The Electron is a tiny development kit for creating 3G cellular-connected electronics projects and products. It comes with a Particle SIM card (Nano 4FF) and an affordable data plan for low-bandwidth applications. Plus, it’s available to more than 100 countries worldwide, and includes three months of Particle’s 1MB monthly data plan for IoT devices! The Electron Kit also comes with Particle’s development tools and cloud platform for managing and interacting with your new...

Particle Electron 3G Kit (Eur/Asia/Afr)
OOD!
Price: $119.05
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Availability: Back Order
Sparkfun Item #: WRL-14212 -

"The Electron is a tiny development kit for creating 3G cellular-connected electronics projects and products. It comes with a Particle SIM card (Nano 4FF) and an affordable data plan for low-bandwidth applications. Plus, it’s available to more than 100 countries worldwide, and includes three months of Particle’s 1MB monthly data plan for IoT devices! The Electron Kit also comes with Particle’s development tools and cloud platform for managing and interacting with your new...

SIM800 GSM/GPRS Module
Price: $75.31
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Availability: Stocked-NoBackOrder
Elecrow Item #: EL-DPO51032S -

SIM800 is a quad-band GSM/GPRS module that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM800 features GPRS multi-slot class 12/ class 10 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. The development board supports mobile Unicom 2g / 3g / 4g card. It has lots of advantages as shown below: 1.DC6-24v wide voltage power supply, can also conveniently used in conjunction with your system power. Board high performance DC-DC power supply...