Frequency range (optional) VHF: 136-174MHz
UHF: 400-480MHz / UHF2: 450-520MHz / UHF3: 350-400MHz
Total channels 1024
Zones 256
Channel spacing 25KHz/20KHz/12.5KHz
Working voltage DC 7.7V (±20%)
Battery capacity Standard 2400mAh / Optional 3350mAh
Average battery working time (5/5/90) 2400mAh: (Without GPS) Digital 24 hours, (With GPS) Digital 20 hours
Frequency stability ±0.5ppm
Antenna impedance 50Ω
Dimensions 55(L)*30(W)*135(H)mm
Display LCD screen, 320*240 pixels, 262000 colors, 2.4 inches, 10 lines
Weight 310g (including battery)
Output power High power: 4.0W / Low power: 1.0W
II. Transmitter Section
4FSK modulation mode 12.5kHz Data only: 7K60FXD; 12.5kHz Data and voice: 7K60FXE
FM modulation mode 12.5kHz: 8K50F3E; 25kHz: 16K0F3E
Modulation limit ±2.5kHz@12.5kHz; ±5.0kHz@25kHz
FM noise 40dB@12.5kHz/45dB@25kHz
Transmitted spurious emissions -36dBm＜1GHz/-30dBm＞1GHz
Adjacent channel power ≤-60dB
Frequency response +1/-3 dB
Audio distortion ≤5%
Digital voice encoder AMBE or NVOC (PDT standard only)
Recording (optional) ≤24 hours, Bluetooth (optional) BT5.0
III. Receiver Section
Digital sensitivity 0.22μV/BER5%
Intermodulation 65dB@12.5/25kHz
Adjacent channel selectivity 60dB@12.5kHz/70dB@25kHz
Spurious rejection 70dB@12.5/25kHz
FM noise 40dB @12.5kHz; 45dB @25kHz
Frequency response +1/-3 dB
Rated audio output power 1W (16Ω load), Maximum audio output power 2.5W
Rated audio distortion ≤5%
Conducted radiation -57dBm
IV. Positioning
Satellite positioning accuracy Horizontal position accuracy ≤10m (under good signal conditions)
TTFF (Time To First Fix) Cold start ＜1 minute (under good signal conditions)
TTFF (Time To First Fix) Hot start ＜10 seconds (under good signal conditions)
Positioning system GPS / BeiDou / GPS + BeiDou
Cold start time ＜1 minute (under good signal conditions)
Hot start time ＜10 seconds (under good signal conditions)
Horizontal position accuracy ≤10m (under good signal conditions)
V. Environmental Indicators
Working temperature range -30℃ ~ +70℃, Storage temperature range -40℃—+85℃
ESD (Electrostatic discharge protection level) IEC61000-4-2 (Level 4); ±8kV (contact discharge) ±15kV (air discharge)
Humidity resistance According to MIL-STD-810G standard, Shock and vibration According to MIL-STD-810G standard, Dust and water proof IP68
