SIM800L GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna BMP280 Sensor Module (Pack of 25) 3DR Radio Telemetry Kit -

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Reverse Polarity Protection: Built-in protection circuitry prevents catastrophic damage from incorrect battery polarity connection

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SIM800L GPRS GSM Module Core Board Quad-band TTL Serial Port with the antenna BMP280 Sensor Module (Pack of 25) 3DR Radio Telemetry Kit -SIM800L GPRS GSM Module Core Board Quad band TTL Serial Port with Antenna Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Specifications Specification Details Product Type GSM GPRS Module Model SIM800L Band Support Quad band (850 900 1800 1900 MHz) Interface TTL Serial Port Antenna Included Origin Original Authentic Warranty 7 day warranty on manufacturing defects Support