4GNSS PRO is a multi-frequency GNSS receiver with an external antenna. It is ideal for recording RAW data. And it can also receive/transmit corrections as Base or Rover. The receiver is easily controlled by the Web Survey interface. Thanks to RTK&GO technology you can combine RTK points in Stop&Go Raw data to make your job anyway. Steady Stream technology will allow you to receive only the most stable correction stream from Base station automatically switching between all available channels: 2 SIM cards and UHF. It can be equipped with a built-in 1 8 0 0 0 mAh battery, which is enough for more than 2 0 hours of operation as a base station (optional). Frequencies: 9 6 5 channels: GPS L1/L2/L5, GLONASS L1/L2, BeiDou B1/B2/B3, Galileo E1/E5a/E5b, SBAS
WebUI: yes
Modems: 2SIM 3G GSM-modem, 2W Tx/Rx UHF-modem
Memory: 8Gb up to 3 2 Gb
Optional: 2SIM 3G GSM-modem, 2W UHF modem, 1 8 0 0 0 mAh battery
Size (LxWxH), mm: 1 6 5 x 1 6 3 . 9 x 9 0 . 1
Design features: IP 6 7. Supplied with shock-absorbing rubber bumpers. 
