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Si4432 433MHz RF Transceiver Module for Arduino / Raspberry Pi
Main chip: Si4432B1 - 433 ISM frequency range: 430.24~439.75MHz - Transmit power: 20dBm (Max) - Receiving sensitivity: -120dBm (Max) - Data transfer rate: 1200bps~128Kbps - Programmable FSK frequency offset: 15K~240KHz - Programmable Receiving bandwidth: 67~400KHz - Control interface: SPI - Operating voltage: 1.8~3.6V - Receiving current: 18.5mA - Transmitting current: 80mA - Power-off Current: 10nA - Sleep Current: 600nA - Maximum communication distance: 800 meters (bit rate 1200bps£¬ in open area) - Applications: Toy control£¬ remote meter reading£¬ home automation£¬ sensor networks