HC-12 433Mhz SI4463 Wireless Serial Port Module 1000m range

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HC-12 Wireless Transceiver Modules 433Mhz are wireless serial port communication modules, It is based on SI4463 RF chip, it has built-in the microcontroller, and can be configured using AT commands, Maximum output power is 100mW (20dBm) and receiver sensitivity differs from -117dBm to -100dBm, depending on transmission speed. It accepts 3.2V-5.5V and can be used with 3.3V and 5V UART voltage devices (3.3V safe).HC-12 Wireless Transceiver Modules 433Mhz – 1000 Meters


    • Long-distance wireless transmission (1,000m in open space/baud rate 5,000bps in the air)
    • Working frequency range (433.4-473.0MHz, up to 100 communication channels)
    • Maximum 100mW (20dBm) transmitting power (8 gears of power can be set)
    • Three working modes, adapting to different application situations
    • Built-in MCU, performing communication with an external device through the serial port
    • The number of bytes transmitted unlimited to one time


    • Working frequency: 433.4MHz to 473.0MHz
    • Supply voltage: 3.2V to 5.5VDC
    • Communication distance: 1,000m in the open space
    • Serial baud rate: 1.2Kbps to 115.2Kbps(default 9.6Kbps)
    • Receiving sensitivity: -117dBm to -100dBm
    • Transmit power: -1dBm to 20dBm
    • Interface protocol: UART/TTL
    • Operating temperature: -40℃ to +85℃
    • Dimensions: 27.8mm x 14.4mm x 4mm

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