Huaxun HX2010 VHF Walkie-Talkie

Marine HX2010 Class B VHF Digital Selective Calling Marine Station VHF Radio (Class B DSC)
Product Description
General Requirements
Input power is DC 12V(+30/-10%)
General requirements:
The input is DC 12V (+30 / -10%)
Transmitter Section
Transmission power is 25W, and can be manually adjusted down to 1W.
Transmission audio harmonic distortion ≤10%.
Audio response is +1/-3dB of +6dB/octave.
AC noise ≤-40dB
Frequency deviation ±5KHz.
Parasitic radiation ≤0.25μW.
Current consumption: 5A at 25W.
Transmitter section
Transmission power 25W, you can manually select as low as 1W. 
Transmission audio harmonic distortion ≤10%. 
Audio Response +1/-3dB of +6dB/octave. 
AC Noise ≤-40dB 
The maximum deviation± 5KHz. 
Parasitic radiation ≤0.25μW. 
When current consumption 25W 5A.
Receiver Section
Frequency range is 156.025MHz～163.275MHz.
Intermediate frequency is 21.7MHz, the second intermediate frequency is 450KHz.
Available sensitivity when signal-to-noise ratio is 20dB ≤0.4μV.
Adjacent channel selectivity ≥70dB.
Spurious response suppression ≥70dB.
Intermodulation suppression ≥68dB.
Parasitic emission suppression ≤2nW.
Current consumption: 0.9A when audio is output; 0.3A in standby mode.
Audio response is +1/-3dB of +6dB/octave.
AC noise ≤-40dB.