ITEM NAME:3X(1Pcs Sim900A Sim900 Mini V4.0 Wireless Data Transmission Module Gsm GprsZ6B7) ☆★ Product Details ★☆ 3X(1Pcs Sim900A Sim900 Mini V4.0 Wireless Data Transmission Module Gsm GprsZ6B7) 3X(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
