Wireless Module 433MHz UART Interface up to 1200 Meters GT-38

Features:
– Long-distance wireless transmission (1200 bps in 1200 m/FU4 mode)
– Operating frequency range: 433-458MHz, up to 255 communication channels
– Maximum 100mW (20dBm) transmit power, and can set 8 power.
– Four working modes to adapt to different applications
– Built-in MCU, communicate through serial port and external device
– The number of bytes sent at one time is up to 256 bytes.
– The mode supports one-to-one, one-to-many, many-to-many connections

Specifications:
– Model: GT-38
– Chip: SI4438/4463
– Communication interface: UART 3.3V to 5V TTL level
– Operating voltage: 3.2V to 5.5V
– Maximum transmission power: 20dBm
– Reference distance: 1200 meters
– Working frequency band: 433-458.5MHz
– Antenna interface: spring antenna / antenna socket
– Sleep current: no sleep mode
– Module size: 26.7×12.9x6mm

Download the datasheet

Package Includes:
1 x GT-38 Wireless MCU Serial Module