Elecrow Crowtail SIM808 GSM/GPRS/GPS Module 940nm 1 × DC Quad Motor

1 × DC Quad Motor Driver Shield for Arduino

border-radius:8px} Battery Holder CR1220 SMD

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low-power barometric pressure sensor from DFRobot

Elecrow Crowtail SIM808 GSM/GPRS/GPS Module 940nm 1 × DC Quad MotorGSM GPS GPRS SMS SIM808 Crowtail, its a GSM and GPS two in one function module which is called Crowtail SIM808. We add a Crowtail interface to it so that you can use easily. It is very small and based on the latest GSM GPS module SIM808 from SIMCOM, supports GSM GPRS Quad Band network and combines GPS technology for satellite navigation. It has high GPS receive sensitivity with 22 tracking and 66 acquisition receiver channels that will lets you add