GT-38 Wireless Single Chip Serial Port Communication Module

1. Long-distance wireless transmission (open field 1200m / FU4 mode, air baud rate 1000bps)
2. Operating frequency range (433-458.5MHz, up to 255 communication channels)
3. Maximum 100mW (20dBm) transmit power (8 levels of power can be set)
4. Four working modes to adapt to different applications
5. Built-in MCU, communicate with external devices through serial port

The number of bytes sent at one time is up to 256 bytes
The module supports one-to-one, one-to-many, many-to-many connection transparent transmission
Parameter:
Chip: 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 Celsius ~ + 75 Celsius
Reference distance: 1200m
Storage temperature: -40 Celsius ~ + 85 Celsius
Colour:black
Material: PCB
Size:26 x 12 x 6mm

Package Contents:
1 x wireless single chip module

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
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