SIM900A Entwicklungsboard GSM / GPRS /STM32 Drahtloses Datenübertragungsmodul
6,35 €
Relay Module. Antenna circuit: ensure short and straight, so as to ensure signal strength. 1 x Antenna. Communication interface: SPI. 1 x Module. If you have any needs, pls contcact us for free, we will help you get all things you need.
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