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Last modified 2024-10-21

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RadioShack Pro-74 "Race scanner" (20-513)

A picture of RadioShack Pro-74 ''Race scanner'' (20-513)

SPECIFICATIONS

GENERAL
Type:VHF/UHF receiver/scanner
Frequency range: USA
29-50 MHz
108-174 MHz
406-512 MHz
806-824 MHz
851-869 MHz
896-956 MHz
Tuning steps:5 KHz (VHF low)
12.5 KHz (VHF high / UHF)
Frequency stability:? ppm
Mode:AM / FM
Channels / memory management: 100 regular in 10 banks @ 50 channels per second
12 service banks
Quick-track memory
10 priority
7 NOAA weather channels
RAM storage with 0.047 F supercap backup (Up to 3 days retention without power)
Power supply:6 VDC (Four R6 / AA alkaline or rechargeable batteries)
or 9 VDC external (Male mini barrel jack, center negative)
Current drain / power consumption:Max 160 mA
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):66*164*43 mm (2.6*6.46*1.69")
Weight:229 g (8.08 oz), without batteries and antenna
Other features:Data skip. Backlit display.




RECEIVER SECTION
Receiver system: Triple conversion superheterodyne
1st IF: 380.7 MHz
2nd IF: 10.85 MHz
3rd IF: 450 KHz
Sensitivity: AM (20 dB S/N)
108-137 MHz: 1.5 uV
FM (20 dB S/N)
29-54 MHz: 0.5 uV
137-174 MHz: 0.4 uV
406-512 MHz: 0.3 uV
806-956 MHz: 0.8 uV
Squelch sensitivity:
Selectivity:
Image rejection:
AF output power / speaker:330 mW at ?% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm)




MISCELLANEOUS
Manufactured:(By Uniden), 1998-20xx (Discontinued)
Additional info: New price 1999 in the US: $199.99
New price 2000 in the US: $199.99
Related documents: User manual (631 KB)
FM-IF: MC3361CD
Modifications and fixes:
Reviews:
Options / Accessories:
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