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Last modified 2025-01-25

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RadioShack Pro-51 (20-308)

A picture of RadioShack Pro-51 (20-308)

SPECIFICATIONS

GENERAL
Type:HF/VHF/UHF receiver/scanner
Frequency range: USA
29-54 / 108-174 / 406-512 / 806-824 / 851-869 / 896-956
Tuning steps:? KHz
Frequency stability:? ppm
Mode:AM / FM
Channels / memory management: 200 regular in 10 banks @ up to 50 channels per second
1 bank of 10 search memories
1 priority
RAM storage with supercap backup (Up to 3 days retention)
Power supply:4.8-6 VDC (Four R6 / AA alkaline or rechargeable batteries)
Current drain / power consumption:? mA
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):62*154*43 mm (2.44*6.06*1.69")
Weight:? g (? oz)
Other features:HyperScan.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.8 MHz
2nd IF: 450 KHz
Sensitivity: AM (20 dB S/N)
108-136 MHz: 1.3 uV
FM (20 dB S/N)
VHF low: 0.5 uV
VHF high: 0.6 uV
UHF: 0.5 uV
806 MHz: 0.7 uV
Squelch sensitivity:
Noise figure:
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:(By Uniden), 1994-199x (Discontinued)
Additional info: New price 1995 in the US: $299.99
New price 1996 in the US: $319.99
New price 1997 in the US: $299.99
Related documents:
Modifications and fixes:
Reviews:Popular Communications: July 1994, page 28
Options / Accessories:
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