High Sensitivity (–114 dBm at 1.2 kBaud, 315 MHz, 1% Packet Error Rate)
Low Current Consumption (15.5 mA in Receive, 1.2 kBaud, 315 MHz)
Programmable Output Power up to +10 dBm for All Supported Frequencies
Excellent Receiver Selectivity and Blocking Performance
Programmable Data Rate From 1.2 kBaud to 250 kBaud
Frequency Bands: 310 MHz to 348 MHz, 420 MHz to 450 MHz, and 779 MHz to 928 MHz
Analog Features
2-FSK, GFSK, and MSK Supported, as Well as OOK and Flexible ASK Shaping
Suitable for Frequency-Hopping Systems Due to a Fast Settling Frequency Synthesizer: 90-µs Settling Time
Automatic Frequency Compensation (AFC) Can Align Frequency Synthesizer to Received Center Frequency
Integrated Analog Temperature Sensor
Digital Features
Flexible Support for Packet-Oriented Systems: On-Chip Support for Sync Word Detection, Address Check, Flexible Packet Length, and Automatic CRC Handling
Efficient SPI Interface: All Registers Can Be Programmed With One Burst Transfer
Digital RSSI Output
Programmable Channel Filter Bandwidth
Programmable Carrier Sense (CS) Indicator
Programmable Preamble Quality Indicator (PQI) for Improved Protection Against False Sync Word Detection in Random Noise
Support for Automatic Clear Channel Assessment (CCA) Before Transmitting (for Listen-Before-Talk Systems)
Support for Per-Package Link Quality Indication (LQI)
Optional Automatic Whitening and Dewhitening of Data
Low-Power Features
Fast Startup Time: 240 µs From Sleep to Receive (RX) or Transmit (TX) Mode
Wake-On-Radio Functionality for Automatic Low-Power RX Polling
Separate 64-Byte RX and TX Data FIFOs (Enables Burst Mode Data Transmission)
General
Few External Components: Completely On-Chip Frequency Synthesizer, No External Filters or RF Switch Needed
Green Package: RoHS Compliant and No Antimony or Bromine
Small Size QFN 5-mm×5-mm 32-Pin Package
Suited for Systems Compliant With EN 300 220 (Europe) and FCC CFR Part 15 (US)
Support for Asynchronous and Synchronous Serial Receive/Transmit Mode for Backward Compatibility With Existing Radio Communication Protocols
Designed for Automotive Applications
APPLICATIONS
Ultra-Low-Power Wireless Applications in the 315/433/868/915-MHz ISM/SRD Bands
