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SIM900A V4.0 Kit Wireless Extension Module Antenna Tested GSM GPRS Board 5V
SIM900A V4.0 Kit Wireless Extension Module GSM GPRS Board with Antenna is based on SIM900A chip having onboard two set power of supply interface namely VCC5 5V power supply, VCC4...
SIM900 GPRS/GSM Shield Development Board Quad-Band Module For Arduino Compatible
The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module(They are all 2V8 logic) present on-board. Application: M2M (Machine 2 Machine) Applications. Remote control...