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- UART: UART TTL
USR-GM3
€20.00
USR-GM3 is highly-integrated UART to GSM / GPRS module. Users can easily make communication with it between serial device and cellphone or network device.
USR-GM3P
€23.00
USR-GM3P is highly-integrated UART to GSM / GPRS / GPS module. Users can easily make communication with it between serial device and cellphone or network device.