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RFM31BW

Receiver Module


RFM31BW low cost receiver module.png

1. Descriptions of RF Receiver Module RFM31BW:

HopeRF's RFM31B are highly integrated, low cost,433/868/915MHZ wireless ISM rf receiver module.The low receive sensitivity (–121dBm) ensures extended range and improved link performance. Built-in antenna diversity and support for frequency hopping can be used to further extend range and enhance performance.

The RFM31B's digital receive architecture features a high-performance ADC and DSP based modem which performs demodulation, filtering, and packet handling for increased flexibility and performance.


2. Features of RF Receiver Module RFM31BW:

● Frequency Range: 433/868/915
● Sensitivity : –121 dBm
● Low Power Consumption: 18.5 mA
● Data Rate: 0.123 to 256 kbps
● FSK, GFSK, and OOK modulation
● Power Supply: 1.8 to 3.6 V
● Ultra low power shutdown mode
● Digital RSSI
● Wake-up timer
● Auto-frequency calibration (AFC)
● Clear channel
● Programmable assessment RX BW 2.6–620 kHz
● Programmable packet handler
● Programmable GPIOs
● Embedded antenna diversity algorithm
● Configurable packet handler
● Preamble detector
● RX 64 byte FIFO
● Low battery detector
● Temperature sensor and 8-bit ADC
● –40 to +85 °C temperature range
● Integrated voltage regulators
● Frequency hopping capability
● On-chip crystal tuning
● Low BOM
● Power-on-reset (POR)



3. Applications of RF Receiver Module RFM31BW:


● Remote control 
● Home security & alarm 
● Telemetry 
● Personal data logging 
● Toy control 
● Tire pressure monitoring 
● Wireless PC peripherals 
● Remote meter reading 
● Remote keyless entry 
● Home automation 
● Industrial control 
● Sensor networks 
● Health monitors 
● Tag readers



Design documents and resources
DEMO & Tools:
RFMXXB_Tools
2018-12-06
CMOSTEK WriterConfig V1.3.0 for Writer V3.1
2018-12-04
UserGuide
2018-12-04
RFXXB_TOOLS
2018-12-04
CMOSTEK WriterConfig V1.4.0 for Writer V3.1
2018-11-30
RFDK_PIC16_LCD V1.1hardware(131029)
2018-11-22
HopeRF_RF-EVB_manual_V1.21
2018-11-22
HopeRF_RFDK_RFMxx_DEMO_V2.1_operation_manual
2018-11-22
HoepRF_HSP_V1.3
2018-11-22
HoepRF_HSP_V1.0
2018-11-20
CP210x_VCP_Windows
2018-11-20
RF22B 23B 31B 42B 43B Register Settings_RevB1-v5
2018-12-04
Design Guides:
ANTENNAS_MODULE
2018-11-22
RFM31B_communicate_with_EVB_20130520V1.0
2018-12-04
RFDK_RFM31B_V2.1
2018-12-04
Certification & Test Reports:
RF Module ROHS
2021-05-18
RF Module REACH
2021-05-18
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