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Last modified 2023-12-08

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Wilson 4502SM

A picture of Wilson 4502SM

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: USA
TX: 420-450 MHz
RX: 420-450 MHz
Tuning steps:Channelized
Frequency stability:±? ppm
Mode:FM
Channels / memory management: 6 regular
XTAL controlled
Repeater shift / offset:Depending on XTALs
Power supply:12 VDC
Current drain / power consumption:RX: 25 mA
TX: 500 mA
Antenna impedance / connector:50 ohm / ?
Dimensions (W*H*D):? mm (?")
Weight:? g (? oz)
Other features:Battery indicator. DTMF keyboard option




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 21.4 MHz
2nd IF: 455 KHz
Sensitivity:0.3 uV (20 dB quieting)
Selectivity:
Image rejection:
AF output power / speaker:? mW at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

HighLow
70 cm:1.8 W1 W
Modulation system:
Max FM deviation (Factory set):±5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:197x-197x (Discontinued)
Additional info: New price 1977 in the US: $324.95
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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