Meta-Neural Antenna shouldn't pick up gang and salvager radio

[DasBrain]

I fully agree.

Here is how it currently works:

Certain headsets (most notably the syndicate headset) are "secure" and is not picked up by the meta-neural antenna.
Chat from all other headsets are picked up by meta-neural antenna.

This leads to the following:
* No matter which frequency you speak on with a syndicate headset - meta-neural antenna will not pick it up.
* If you speak on the syndicate frequency using a wiretap upgrade installed on a non-secure headset, meta-neural antenna WILL pick it up.
* Gang headsets are implemented using a special wiretap upgrade. You can remove it using wire cutters.

I would change it so:

• (Empowered) Meta-Neural Antenna picks up all chat frequencies in the range 144.1 - 148.9 (which can be freely selected as frequency).
  
• Empowered Meta-Neural Antenna additionally picks up the following frequencies:
  • Command
    
  • Security
    
  • Engineering
    
  • Research
    
  • Medical
    
  • Civilian
    
  • Detective(?) (used for their spy stickers)
    

All other frequencies are private and secure.