The RFM31B is an advanced low-cost, high-performance RF receiver module that provides 433/868 / 915MHz frequency options. Excellent reception sensitivity (-121dBm) ensures excellent performance for large, high connectivity.
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characteristic:
Frequency range: 433/868 / 915MHz
Sensitivity: -121dBm
Low power consumption: 18.5mA (receive)
Data transfer rate: 1-128kbps
Operating voltage 1.8-3.6 V
Ultra low power shutdown mode
Digital Received Signal Strength Indication
Wake up function
Automatic frequency control
Configurable packet structure
Adjustable receive bandwidth: 2.6-620kHz
Programmable packet processing
Programmable GPIOs
Clear channel determination
Preamble detection
64 bytes receive data register (first-in first-out queue)
Low power detection
Temperature sensing and 8-bit analog-to-digital converters
Operating temperature range: -40 to + 85 ° C
Integrated regulator
Frequency hopping function
FSK, GFSK and OOK modulation modes
low cost
Power on reset function