Sealink HX2010 class B VHF Radio (Class B DSC) Huaxun HX 2000 Class A VHF radio HX-5000 AIS SART HX-4000 SART AIS

Receiver section

Frequency range: 156.025MHz～­­163.275MHz. 
The first IF 21.7MHz, the second IF 450KHz. 
Noise by 20dB when the maximum available for the sensitivity of≤0.4μV. 
Adjacent Channel Selectivity ≥70dB. 
Spurious response suppression ≥70dB. 
Intermodulation suppression ≥68dB. 
Spurious emission suppression ≤2nW. 
Maximum current consumption of the audio output 0.9A; standby 0.3A. 
Audio response +1/-3dB of +6dB/octave. 
AC Noise ≤-40dB. 
10% audio distortion when the output power of built-in speaker 2W, external speaker 3.5W.