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Last modified 2022-06-27

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Harvard H-407

A picture of Harvard H-407


Type:Citizen band transceiver
Frequency range:27.60125-27.99125 MHz
Channels / tuning steps:40 (UK CB 27/81)
Frequency control:PLL (LC7137)
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:Mains: 240 VAC (Fixed power cord)
or 13.2 VDC (2-pin connector)
Current drain / power consumption:RX: ? mA @ 13.2 VDC
TX: ? A @ 13.2 VDC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):291*102*189 mm (11.44*4*7.44")
Weight:? Kg (? lb)
Other features:PA. Channel 9 switch.

Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (20 dB S+N/N)
Selectivity:5 KHz (-6 dB)
Image rejection:
AF output power / speaker:2 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm

RF output power: Normal: 4 W
10 dB att: 400 mW
Modulation system:
FM deviation (Factory set):2.5 KHz (@ 1 KHz)
Spurious emissions:Better than -? dB
Microphone impedance / connector:500 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Japan, 1981-198x (Discontinued)
Main PCB: PCMA002F by Cybernet Electronics Corporation
Single sided with through-hole components
Sub PCBs: ? - AVR/PSU board
? - LED channel display board
Additional info:New price, december 1982 in the UK: 96.60
Related documents: PLL: LC7137
AF amplifier: LA4422
RF driver: 2SC2086
RF final: 2SC2166
Sams Photofact #:
Modifications and fixes:
Options / Accessories:
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