From The RadioReference Wiki


The same as a Pro-90 with half the channels and half the speed (50 ch/sec). One of the few (older) RS scanners that let you manually select an ID. Also has a priority channel review. There was a Pro-91"A" released in 1999 with the additional Motorola disconnect tone feature.

General Specifications


  • Can be updated to support Rebanding? NO
  • 5 banks of 30 channel each, total 150 channels
  • 29-54, 108-174, 406-512, 806-956MHz range
  • AM, FM
  • 5, 12.5, 25kHz steps
  • Scan rate 50cps
  • Motorola 800 I/II/IIi - 1 trunking bank at a time
  • 5 lists, 10 IDs, 50 per bank; 250 IDs total
  • 5 priority channels
  • Data skip
  • ID delay
  • Direct search
  • Monitor memories (5 IDs or 5 freqs)
  • 4-AA alkaline or Ni-cad batteries

RR System Compatibility

This scanner is compatible with the following Trunking System Types and System Voices used in the RadioReference Database, of course you must verify that the scanner will cover the appropriate frequency range:

  • System Types:
    • Motorola Type I
    • Motorola Type II
    • Motorola Type IIi Hybrid
    • Motorola Type II Smartnet
    • Motorola Type II Smartzone
    • Motorola Type II Smartzone Omnilink
  • System Voices:
    • Analog


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