Description: IoT Node(A) is one of Docker Pi series modules.IoT Node(A) = GPS/BDS + GSM + Lora.I2C directly controls Lora, sends and receives data, controls the GSM/GPS/BDS module through SC16IS752, the mainboard only needs I2C support.Support Raspberry Pi and other similar products. Features: Docker Pi Series Programmable Control directly(without programming) Extend the GPIO Pins GPS/BDS Support GSM Support Lora Support Can Stack with other Stack board Independent of the mainboard hardware (require I2C support) Specifications: GPRS section 1. Low power consumption, standby sleep current