Technical Document
Specifications
Brand
HopeRFComponent Type
Module
Supported Frequency Bands
868MHz
Modulation Technique
FSK, GFSK, OOK
Maximum RF Data Rate
256kbit/s
Receiver Sensitivity
-121dBm
Supported Bus Interfaces
SPI
Supply Voltage
1.8 → 3.6V
Dimensions
14 x 15.5 x 5.9mm
Height
5.9mm
Length
15.5mm
Maximum Operating Temperature
+85 °C
Minimum Operating Temperature
-40 °C
Width
14mm
Country of Origin
Hong Kong
Product details
RFM31B 868MHz ISM Receiver, HopeRF
The RFM31B-868 is a highly integrated, low-cost 868MHz ISM-band receiver module. Built-in antenna diversity and support for frequency hopping can be used to extend range and enhance performance. An easy-to-use calculator is provided to quickly configure the radio settings, simplifying customer's system design and reducing time to market. Available in DIP or SMD module format.
Module Features
Carrier Frequency Range: 848 to 888MHz ISM band
Receiver Sensitivity: –121dBm @ 2kbps, GFSK
OTA Data Rate = 0.123 to 256kbps
Modulation: FSK, GFSK or OOK
Frequency hopping (FHSS) capability
Digital RSSI
Wake-up timer
On-chip crystal tuning
Auto-frequency calibration (AFC)
Power-on-reset (POR)
Embedded antenna diversity algorithm
Packet handler, preamble detector and CRC checker
Supports Data Whitening and Manchester Encoding
Receiver 64-byte FIFO
Low-battery detector
Temperature sensor and 8-bit ADC
Host communication: serial SPI
Power Supply: +1.8 to +3.6Vdc
Power-saving modes: Tune, Ready, Sensor, Sleep, Standby, Idle and Shutdown
Integrated voltage regulators
Operating temperature range: -40 to +85°C
Dimensions: 15.5 x 14mm (DIP), 16 x 16mm (SMD)
Applications: Remote control, Home security, Telemetry, Personal data logging, Tyre pressure monitoring, Wireless PC peripherals, Remote meter reading, Remote keyless entry, Home automation, Industrial control, Sensor networks, Health monitors and the Internet-of-Things (IoT)
RS Product Codes
731-2735 RFM31B-868-D 14-Pin DIP module
731-2739 RFM31B-868-S1 16-Pin SMD module
Wireless Modules - HopeRF
Stock information temporarily unavailable.
Please check again later.
AED 117.75
Each (ex VAT)
AED 123.64
Each (inc. VAT)
1
AED 117.75
Each (ex VAT)
AED 123.64
Each (inc. VAT)
1
Buy in bulk
quantity | Unit price |
---|---|
1 - 4 | AED 117.75 |
5 - 9 | AED 115.20 |
10+ | AED 114.20 |
Technical Document
Specifications
Brand
HopeRFComponent Type
Module
Supported Frequency Bands
868MHz
Modulation Technique
FSK, GFSK, OOK
Maximum RF Data Rate
256kbit/s
Receiver Sensitivity
-121dBm
Supported Bus Interfaces
SPI
Supply Voltage
1.8 → 3.6V
Dimensions
14 x 15.5 x 5.9mm
Height
5.9mm
Length
15.5mm
Maximum Operating Temperature
+85 °C
Minimum Operating Temperature
-40 °C
Width
14mm
Country of Origin
Hong Kong
Product details
RFM31B 868MHz ISM Receiver, HopeRF
The RFM31B-868 is a highly integrated, low-cost 868MHz ISM-band receiver module. Built-in antenna diversity and support for frequency hopping can be used to extend range and enhance performance. An easy-to-use calculator is provided to quickly configure the radio settings, simplifying customer's system design and reducing time to market. Available in DIP or SMD module format.
Module Features
Carrier Frequency Range: 848 to 888MHz ISM band
Receiver Sensitivity: –121dBm @ 2kbps, GFSK
OTA Data Rate = 0.123 to 256kbps
Modulation: FSK, GFSK or OOK
Frequency hopping (FHSS) capability
Digital RSSI
Wake-up timer
On-chip crystal tuning
Auto-frequency calibration (AFC)
Power-on-reset (POR)
Embedded antenna diversity algorithm
Packet handler, preamble detector and CRC checker
Supports Data Whitening and Manchester Encoding
Receiver 64-byte FIFO
Low-battery detector
Temperature sensor and 8-bit ADC
Host communication: serial SPI
Power Supply: +1.8 to +3.6Vdc
Power-saving modes: Tune, Ready, Sensor, Sleep, Standby, Idle and Shutdown
Integrated voltage regulators
Operating temperature range: -40 to +85°C
Dimensions: 15.5 x 14mm (DIP), 16 x 16mm (SMD)
Applications: Remote control, Home security, Telemetry, Personal data logging, Tyre pressure monitoring, Wireless PC peripherals, Remote meter reading, Remote keyless entry, Home automation, Industrial control, Sensor networks, Health monitors and the Internet-of-Things (IoT)
RS Product Codes
731-2735 RFM31B-868-D 14-Pin DIP module
731-2739 RFM31B-868-S1 16-Pin SMD module