Wireless Transceiver Module Serial Port 433Mhz SI4438/SI4463 Built-in MCU UART Interface,Default NO5242

Feature:

Long-distance wireless transmission (opening 1200 m / FU4 mode, air baud rate 1000bps)

Operating frequency range (433-458.5MHz, up to 255 communication channels)

Maximum 100mW (20dBm) transmit power (8-speed power can be set)

Four working modes to adapt to different applications

Built-in MCU for communication via serial port and external devices

The number of bytes sent at one time is up to 256 bytes.

Module supports one-to-one, one-to-many, many-to-many connections

Specification:

Module size: 26.7 x 12.9 x 6mm

Chip solution: SI4438

Working frequency band: 433-458.5MHz

Communication interface: UART 3.3V/5V TTL level

Antenna interface: spring antenna / antenna socket

Working voltage: 3.2~5.5V

Sleep current: no sleep mode

Communication level: 3.3V/5V level

Working humidity: 10%~90%

Transmit power: 20dBm (MAX)

Working temperature: -25- +75 degC

Reference distance: 1200m

Storage temperature: -40- +85 degC

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