copied from packet:
PRO-2005 mod

1. Unplug the radio
2. Remove the screws and take off the top cover.
3. Look for D502 on the inside right hand-side of the front panel.
   (No need to unsolder the silver plate protecting the vertical board!)
4. Simply cut the diode and reverse the process.
5. You now have complete cellular band coverage!!

   Of course, according to the EPCA law, you are not allowed to listen to
   these freqs.
   The mod works for me.  Proceed at your own risk de KB2BBW.

   73 and enjoy!! de K-B-2-Big-Bad-Wolf  (Woof! Woof!) @ WA2SNA.NJ

    Standard disclaimer: I haven't tried this, proceed at your own 
    risk. WA2ISE