The RFM23A020 adopts DSSS technology, which has super anti-jamming capability and is especially suitable for use in complex interference environments, making it an ideal solution for Sub-GHz “Internet of Things” applications such as smart home, security, lighting, building automation and metering.
Key Features
- CPU: 32-bit ARM Cortex®-M33, main frequency 78MHz
- Memory: 512KB FLASH, 64KB RAM
- Superior anti-jamming ability, suitable for complex interference environments
- Operating frequency: 433MHz, 470MHz, 868MHz, 915MHz
- Modulation: OOK, (G)FSK, (G)MSK, OQPSK, DSSS
- Voltage range: 1.8V to 3.8V
- Receive sensitivity: -118dBm @868MHz, 2.4kbps, GFSK
- Transmit Current: 77mA @20dBm, 868MHz, 73mA @20dBm, 915MHz
- Receiving current: 5mA
- Networking CONNECT stack: supports the network structure of star topology and extended star, Sidewalk, and WM-BUS
- Maximum transmission power: 20dBm
Communication Distance Test
- Test conditions: operating voltage 3.3V, temperature 25°C, humidity 74%, oscillator frequency 39MHz, operating frequency 915MHz, modulation mode OQPSK
- Rate 9.6kbps. The antenna is a rubber antenna with a gain of 3dBi.
- The actual measured communication distance is 1.3km.
