SIM800C Entwicklungsboard Quad-Band GSM GPRS Bluetooth Modul mit Antenne inm Neu
9,70 €
TXD: module serial port to send pin, TTL level (can not be directly connected to RS232 level). RXD: module serial port receive pin, TTL level (can not be directly connected to RS232 level). BAT: lithium battery input pin, 3.3v-4.4v.
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