The SI1025-A-GMR is a TxRx + MCU type RF Transceiver IC designed for EZRadioPro protocol. It operates at a frequency range of 240MHz ~ 960MHz and has a power output of 13dBm (Max) with a sensitivity of -121dBm. The IC offers a data rate of 256kbps and has a memory size of 64kB Flash and 8.5kB RAM. It features FSK, GFSK, OOK modulation and serial interfaces like I2C, SPI, UART. The GPIO count is 53 and it requires a voltage supply of 1.8V ~ 3.8V. The SI1025-A-GMR is available in 85-VFLGA Exposed Pad package and is suitable for General ISM < 1GHz RF Family/Standard. It has an operating temperature range of -40&#176;C ~ 85&#176;C.