Specifications
RF-BM-BG22A1
www.szrfstar.comV1.0 - Sep., 2020
2 Module Configuration and Functions
2.1 Module Parameters
Table 2. Parameters of RF-BM-BG22A1
Chipset EFR32BG22C112F352GM32-C
Supply Power Voltage 1.71 V ~ 3.8 V, recommended to 3.3 V
Frequency 2402 MHz ~ 2480 MHz
Transmit Power -28.0 dBm ~ 0 dBm (typical: 0 dBm)
Receiving Sensitivity
-98.9 dBm sensitivity @ 1 Mbit/s GFSK
-96.2 dBm sensitivity @ 2 Mbit/s GFSK
-106.7 dBm sensitivity @ 125 kbps GFSK
Power Consumption
3.6 mA RX current (1 Mbps GFSK)
4.1 mA TX current @ 0 dBm output power
GPIO 18
Crystal 38.4 MHz
RAM 32 KB
Flash 352 KB
Package SMT Packaging
Frequency Error ±20 kHz
Dimension 16.5 mm x 11.6 mm x (2.06 ± 0.1) mm
Type of Antenna PCB antenna
Operating Temperature -40 ℃~ +85℃
Storage Temperature -40 ℃~ +125 ℃
Shenzhen RF-star Technology Co., Ltd. Page 7 of 19










