RF4421 : Si4421 Advanced RF Module For Reliable Wireless Connectivity

Features of RF transceiver module RF4421

• Frequency: 433/868/915MHz
• Sensitivity: -105 dBm
• Max output power:7 dBm
• Max rate:115.2 Kbps(Digital mode)  256 kbps(Simulation mode) 
• Modulation: FSK
• Low consumption shutdown mode
• Time wake up function
• Preamble detection  
• 16-byte transmit and receive data FIFO
• Temperature: -40 ~ +85°C
• Weight: 0.6 g

Applications of RF transceiver module RF4421

• Remote control
• Home security alarm and remote keyless entry
• Home automation telemetry
• Toy control
• Sensor networks
• Tire Pressure Monitoring
• Health Monitoring
• Tag reader