| Brand: | HopeRF |
|---|---|
| Minimum Operating Temperature: | -40°C |
| Maximum Operating Temperature: | +85°C |
| Length: | 15.5mm |
| Height: | 5.9mm |
| Receiver Sensitivity: | -121dBm |
| Maximum RF Data Rate: | 256kbit/s |
| Dimensions: | 14 x 15.5 x 5.9mm |
| Supported Bus Interfaces: | SPI |
| Module Type: | Receiver |
| Supported Frequency Bands: | 868 MHz |
| Modulation Technique: | FSK, GFSK, OOK |
| Width: | 14mm |
| Supply Voltage: | 1.8 → 3.6V |
Quick Details
Specifications
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.
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)
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)

