RS Components, Ltd. 7312739

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 customers 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) 731-2735 RFM31B-868-D 14-Pin DIP module,731-2739 RFM31B-868-S1 16-Pin SMD module Module Type = Receiver Supported Frequency Bands = 868 MHz 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 = 16 x 16 x 4.9mm Height = 4.9mm Length = 16mm