SIM900 GSM/GPRS Module (Discontinued)
Discontinued quad-band GSM/GPRS module configured via AT commands over UART, operating at 3.3 V logic with ~1.5 mA sleep current. No longer in production; replacement parts should be evaluated for new designs.
Start wiring
UART · USB · Breakout
Verify supply voltage and logic levels before powering up.
Cellular
57 other optionsAdafruit FONA GSM breakouts, the Gravity Air780EU 4G Cat 1 module, Dragino NB-IoT Shield-B8, Pycom FiPy, Quectel and SIMCom M.2 5G modems, and the RockBLOCK 9603 Iridium modem each target a different network tier.
Related groups
4 groups
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