Difference between revisions of "PSR-500"

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==Related Pages==
==Related Pages==
* [ Easier to Read PSR500/600 Manual]
* [ Firmware download 2.1]
* [ Firmware download 2.1]
* [[Getting Started with your GRE/RS Object Oriented Scanner]]
* [[Getting Started with your GRE/RS Object Oriented Scanner]]

Revision as of 12:49, 22 September 2019

GRE COM PSR-500 scanning receiver

The PSR-500 was manufactured by GRE in China. The PSR-500 is very similar to the Mobile/Base PSR-600 and uses the same software and scanner cables and is nearly identical to the Radio Shack Pro-106

General Specifications

  • Can be updated to support Rebanding? YES
    • See Sections 7.1 and 7.2 of the Rebanding article for the firmware and software links

Frequency Coverage
Frequency (MHz) Step Size Value
25-27.405 10 kHz
27.41-29.7 5 kHZ
29.71-49.83 10 kHz
49.835-54 5 kHz
108-136.9916 8.33 kHz
137-137.995 5 kHz
138-143.9875 12.5 kHz
144-147.995 5 kHz
148-150.7875 12.5 kHz
150.8-150.845 5 kHz
150.8525-150.845 5 kHz
150.8525-154.4975 7.5 kHz
154.515-154.64 5 kHz
154.65-156.255 7.5 kHz
156.275-157.45 25 kHz
154.47-161.5725 7.5 kHz
161.6-161.975 5 kHz
162-174 12.5
216.0025-219.9975 5 kHz
220-224.995 5 kHz
225.000-379.975 25 kHz
380-419.9875 12.5 kHz
420-450 5 kHz
450.00625-469.99375 6.25 kHz
470-512 Original 12.5 kHz
470-512 CPU V-1.7 6.25 kHz
764-805.996875 1 3.125 kHz
806-823.9875 12.5 kHz
849-868.9875 12.5 kHz
894-901.9875 12.5 kHz
902-928 5 kHz
928.0125-939.9875 12.5 kHz
940-960 6.25 kHz
1240-1300 6.25 kHz

1 = 796-806 Mhz is blocked due to intermod issues. See this thread for more information

  • Object oriented memory management. See the Object Oriented Scanning Described article for more information.
  • Built in discriminator data output in simple ASCII output using the PC/IF port
  • Object programmable LED; eight factory default colors to any color / brilliance you want by having direct access to the R-G-B drive values (including flash) to assign to talkgroups, frequencies, agencies, etc.
    • LATCH option; the color of the last received object stays on until reset.
  • Motorola Smartzone systems
    • Scanner option to look for the site with the best received CC decode rate.

(Not the same as RSSI on the Motorola rigs, but similar in operation.)

  • Favorites Scan List; create a scan list tailored to your favorite object settings.

One button operation to get to this set.

  • Spectrum Sweeper Near field frequency capture
  • Triple conversion
  • Virtual Scanner Memory Management system; One copy of working memory can hold up to 1800 objects, meaning any combination of talkgroups, conventional channels, and trunking systems. Each V-Scanner folder holds one copy of working memory. So, 21 * 1800 = about 37,800 objects altogether can be stored in the V-Scanner storage system.
  • Preprogrammed for most major metropolitan areas
  • Scan rate 60 CPS
  • Search speed 90 CPS
  • User defined service search and limit search
  • Direct Tune mode
  • TCXO for frequency stability
  • Default Option keys; return to default setting for any menu
  • Digital AGC
  • Adaptive digital tracking (ADT)
  • Digital signal processing (DSP)
  • CTCSS/DCS abilities
  • Network Access Code can be programmed to only break squelch when receiving the correct NAC in a conventional P25 system.
  • 16-character alpha-tagging with text entry can show ID code or service name
  • L/O talkgroup ID or frequency
  • ID delay
  • UNSQUELCH Delay; Delay settings before the radio unmutes audio to speaker
  • Motorola Control Channel Only trunking
  • Private Calls and RadioID alpha display
  • 700MHz and 380MHz Trunk Scanning
  • Easy-to-read back lit control and display with back lit keypad
  • 6 search ranges/ 1 user definable search range
  • Search "seek" feature
  • Tunes virtually all important bands—local marine, fire/police, Ham, CB, VHF-air, UHF-Air, racing, weather and more
  • Weather band with enhanced SAME Weather Alert functions and weather priority—access weather channels and alerts with the push of a button
  • Skywarn can be programmed with any number of "objects"
  • "Multiple" Priority channels
  • Zeromatic search tuning
  • 20 dB attenuator
  • Computer interface and Programming (with computer control)
  • 3 function keys; softkeys, that when pressed, execute the function that is shown just above the key in the display
  • 5 way navigation keys to access special modes and programming options
  • 4 line x 16 character display with relative signal strength meter
  • Display of the Radio ID of the transmitting user
  • BNC connector
  • A cloning cable may be fabricated using 2 - 1/8 inch stereo jacks and shielded cable.
  • Please see the Connecting scanners via USB article for USB cables to connect your PC to the scanner

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 Voices:
    • Analog
    • Analog and APCO-25 Common Air Interface
    • APCO-25 Common Air Interface Exclusive

Alignment Info

Included Accessories

  • Antenna
  • Quick Guide for V-Scanner Pre-loads
  • PDF - Owners manual
  • Black non-rechargeable battery holder
  • Yellow rechargable battery holder
  • AC adapter
  • Belt clip
  • GRE USB PC interface cable
  • CD-ROM (including the owners manual and GRE radio control demo software)

Recommended accessories (Not included with the radio)

  • Remtronix 800MHz handheld antenna
  • Note: These SKUs are no longer on the RS website. They may be available from other sources.
    • RS #273-369 9-Volt Vehicle DC-to-DC Adapter
    • RS #273-336 Adaptaplug C - Needed for the above adapter
    • Replacement Belt clip - Radio Shack RSU part number 12418273.

Discriminator Tap

FCC Type Acceptance


  • August 2007, Popular Communications Magazine,

Tech Showcase - The GRE PSR-500 Advanced Digital Scanner by Rich Wells, N2MCA

  • November 2007, Monitoring Times Magazine,

GRE Raises the Bar Again! MT First Look at GRE PSR-500, by Larry Van Horn, N5FPW

  • December 2007, Popular Communications Magazine,

Programming The GRE PSR-500 Advanced Digital Scanner by Rich Wells, N2MCA

  • March 2008, Scanning USA Magazine,

First Look The GRE PSR-500 Digital Trunking Scanner, by Steve Donnell

  • Review by "Sixtytwo" in the GRE Scanners forum on RadioReference

Review by Sixtytwo

Related Pages

Yahoo Groups and Mailing Lists (receiver support)

PSR-500 Scanners for Sale

Return to the GRE Scanners page