Devecent External Wireless Data Transmission Radio

RS400H3-M is a 410-470MHz wireless radio for surveying reference stations, with 35W max transmission power (18-21KM range), IP67 protection, OLED display, and multi-protocol compatibility, enabling stable long-range data communication for GNSS/RTK applications.

Specifications

Frequency: 410~470MHz, 12.5/25KHz channel spacing, 32 channels
Transmission Power: 35W/22W/5W switchable (typical 18-21KM range)
Hardware: 175×130×86.5mm, ≈2kg, IP67 protection, OLED display
Power: 9~16V DC; standby consumption 2W, max transmission 85W
Interfaces: LEMO 5-pin (RS232), TNC antenna interface
Environment: Operating -40℃~+65℃; Storage -50℃~+85℃
Communication: Serial baud rate 9600~115200bps; Bluetooth V2.0/4.0

Features

High-power (up to 35W) long-range data transmission for RTK reference stations
Multi-power switching + 60MHz wide bandwidth for flexible field adaptation
OLED display + tactile buttons for real-time status monitoring and configuration
IP67 protection and rugged design for harsh outdoor environments
Supports mobile app configuration + multiple protocols (TrimTalk, South, etc.)
Intelligent functions: serial baud rate detection, interference detection