ITEM NAME:1Pcs Sim900A Sim900 Mini V4.0 Wireless Data Transmission Module Gsm Gprs Bo L8R7 1Pcs Sim900A Sim900 Mini V4.0 Wireless Data Transmission Module Gsm Gprs Bo L8R7 The onboard two set power supply interface VCC5 5 V power supply, VCC4 interface, 3.5-4.5 V power supply, optional power on self start (default) and control start.The onboard SMA (standard) and IPXmini antenna interface, SIM900A interface reserved reset.The size of the module is 49 * 50. The computer can give early computer debugging USB module power, a very large amount of data under the
