The GNSS RTK GPS External Radio is an important part of surveying and mapping working.

HI-TARGET External UHF radio (standard) 

Frequency: 460 MHz with 116 channels

Transmitting Power: 5W, 10W, 20W, 30W adjustable

Transmitting Speed: Up to 19.2Kbps

Working Range: 8~10km typical, 15~20km optimal  

Pacific Crest ADL Vantage Pro External UHF radio 

Frequency: 390~430 MHz or 430~470 MHz 

Transmitting Power: 4W to 35W adjustable

Transmitting Speed: Up to 19.2Kbps

Support most of radio communication protocol

Working Range: 8~10km typical, 15~20km optimal