... UHF, exchangeable Base and Rover. 2. The radio power is adjustable to be 0.1w, 1w, 2w. Introduction V30 ... Signal Channels: GPS: L1 C/A, L2E, L2C, L5 GLONASS: L1 C/A, L1P, L2C/A (only for GLONASS M)and ... /IIe, TT450S, TRIMTALK 450S, TRIMTALK 3, SATEL Ports: A. 2RS-232 serial ports B. 2 ports for external DC ... card slot for GSM or CDMA Functions and LEDs: A. 3 panel buttons: 1 power switch button, 2 ...