Functions
Frequency Range: VHF 136-174MHZ UHF: 400-480MHz
Output Power: VHF 25Watt, UHF 20Watt
CTCSS/DCS/5Tone/2Tone/DTMF
FM Radio Function, PTT ID, Auto Lock, Remote stun, Remote Kill
200 Channels
Mini size: 98*35*118 mm

General
Frequency Range: VHF:136~174MHz UHF:/400-480MHz
Channel Capacity: 200
Channel Spacing: 25KHz 20KHz 12.5KHz
Phase lock step: 5K, 6.25K, 10K, 12.5K, 15K,25K
Working Voltage: 13.8V DC±15%
Frequency Stability: ±2.5ppm
Operating Temperature: -20℃~+60℃
Operating Voltage: 13.8V DC ± 15%
Weight (with bracket): 866g

Receiver
Sensitivity: ≤0.25μV / ≤0.35μV
Channel choice: ≥70dB / ≥60dB
Intermodulation: ≥65dB / ≥60dB
Inter-modulation Rejection: ≥60dB / ≥65dB
Spurious Rejection: ≥70dB / ≥70dB
Signal to noise ratio: ≥45dB / ≥40dB
Audio Distortion: ≤5%
Audio output power:≥2W@10%

Transmitter
Output power: 25W/20W(VHF/UHF)
Modulation Mode: 16KΦF3E / 11KΦF3E
Channel Power: ≥70dB / ≥60B
Signal to noise ratio: ≥40dB / ≥36dB
Parasitic harmonic: ≥60dB/ ≥60dB
Audio response: +1~ -3dB(0.3~3KHz) / +1~ -3dB(0.3~2.55KHz)
Audio distortion: ≤5%

Package
1xRadio
1xKeypad Microphone
1xCAR Power Cable
1xBracket
1xBracket Screw
1xManual

Notice
No SCR function
Knob is for using selecting menu only not for searching frequency.

Programming Software
https://s3.amazonaws.com/sanatop/EB/EB0E06SI/GT890-Programming+Software.zip

The programming software support many systems except windows 8 or windows 10