RF-BM-BG22C3 is an RF module based on EFR32BG22C224F512GM32-C, one of the Gecko family of SoCs from Silicon Labs, with a 32-bit ARM® Cortex®-M33 core with 76.8 MHz maximum operating frequency. It integrates a 38.4 MHz crystal, a matching, an antenna matching, a low-pass filter, and the antenna option (the chip antenna or a half-hole ANT pin). As for the hardware, it supports Bluetooth 5.3 Low Energy, Low Power Node of Bluetooth Mesh, Direction Finding AoA/AoD and proprietary and also has a range of analog and digital interfaces such as PRS, ADC, UART, SPI, I2C, PWM, ISO 7816, IrDA, I2S, EUART and PDM. It features low power consumption, compact size, robust connection distance, and rigid reliability. An integrated PA in the chip enables the module to reach up to 6 dBm TX power. 1.27-mm pitch stamp stick package for easy assembling and cost-effective PCB design. As for the firmware, the Bluetooth serial module can be preprogrammed with an RF-star BLE5.0 serial communication protocol for simple programming.
-Transparent Transmission (Bridge) Protocol-
· Several roles: master, slave, master-slave, Beacon
· Multi-connection function: Up to 7 salves and 1 master
· Stable transparent transmission rate: up to 50 kB/s
· Data rate: 1 Mbps, 2 Mbps
· Features: OTA, authentication
· Extended Broadcast Package
· Long Range
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