The Sokkia R4S-BT External Radio Modem is a versatile and innovative UHF radio transceiver modem that provides optimal RTK (Real-Time Kinematic) performance with the Sokkia GCX3 receiver and other third-party GNSS receivers. It offers data transmission using wireless Bluetooth, providing an extended communication range between an RTK base station and rover up to 984 feet (300 m).
This Sokkia UHF external radio modem gives the perfect solution in times where network connections are poor. It features both a serial and radio interface that offer data speeds up to 115,200 bps (bits per second).
With an IP67 rating, the Sokkia R4S-BT radio modem comes with a water resistant and dustproof housing that is designed to tackle rough outdoor conditions. It uses a Li-ion rechargeable battery that operates up to 20 hours in receive mode and up to 6 hours in transmit mode. Weighing only 0.9 pounds (420 g), the R4S-BT is easy to carry and mount making it the best companion for an all-day surveying job.
Configuration Options
The Sokkia R4S-BT External Radio Modem is available in two frequencies to suit your needs. Please select your preference from the menu above.
- 1024415-01: 410-440 MHz
- 1024416-01: 440-470 MHz