Key Features
• Modulation: FSK or OOK with frequency hop ping spread spectrum capability
• Frequency range: 300 to 510 MHz
• High sensitivity: -112 dBm in circuit
• High data rate: up to 200 kb/s
• Low receiver current: 2.7 mA typical
• Low sleep current: 0.1 µA typical
• Up to +13 dBm in-circuit transmit power
• Operating supply voltage: 2.1 to 3.6 V
• Programmable preamble
• Programmable packet start pattern
• Integrated RF, PLL, IF and base-band circuitry
• Integrated data & clock recovery
• Programmable RF output power
• PLL lock output
• Transmit/receive FIFO size programmable up to 64 bytes
• Continuous, buffered and packet data modes
• Packet address recognition
• Packet handling features:
   • Fixed or variable packet length
   • Packet filtering
   • Packet formatting
• Standard SPI interface
• TTL/CMOS compatible I/O pins
• Programmable clock output frequency
• Low Battery Detection
• Low cost 12.8 MHz crystal reference
• Integrated RSSI
• Integrated crystal oscillator
• Host processor interrupt pins
• Programmable data rate
• External wake-up event inputs
• Integrated packet CRC error detection
• Integrated DC-balanced data scrambling
• Integrated Manchester encoding/decoding
• Interrupt signal mapping function
• Support for multiple channels
• Four power-saving modes
• Low external component count
• TQFN-32 SMT package
• Standard 13 inch reel, 3K pieces

APPLICATIONs
• Active RFID tags
• Automated meter reading
• Home & industrial automation
• Security systems
• Two-way remote keyless entry
• Automobile immobilizers
• Sports performance monitoring
• Wireless toys
• Medical equipment
• Low power two-way telemetry systems
• Wireless mesh sensor networks
• Wireless modules