• SIM900A V4.0 Kit Wireless Extension Module
    Availablity

    Out of stock

    Features:   The onboard two set power supply interface VCC5 5V power supply, VCC4 interface, 3.5–4.5V power supply, optional power on self starting (default) and control start. The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset. The size of the module is 49*50, all the new and original…
  • Smallest SIM800L GPRS GSM Module MicroSIM Card
    Availablity

    20 in stock

    Chip: SIM800L Voltage: 3.7-4.2V Support networks: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when…