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Last modified 2022-02-02

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Hy-Gain V (2705A)

A picture of Hy-Gain V (2705A)


Type:Citizen band transceiver
Frequency range:26.965-27.255 MHz (Sweden)
Channels / tuning steps: 24
According to swedish law at the time, SSB was only allowed on ch 24, and
therefore, although this radio could receive sideband on all channels, it
could only transmit SSB on channel to 24.
Mode:AM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Clarifier or Delta tune:? Hz
Power supply:11.5-14.8 VDC (3-pin connector)
Current drain / power consumption:RX: 250 mA (Squelched)
TX: Max 2 A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):190*60*250 mm (7.48*2.36*9.84")
Weight:2 Kg (4.41 lb)
Other features:PA. NB. RF gain. Selcall connector.

Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM)
1st IF: 10.695 MHz
2nd IF: 455 KHz - Ceramic filter: Murata CFW455HT
Sensitivity: AM: 0.5 uV (10 dB SN/N)
SSB: 0.25 uV (10 dB SN/N)
Selectivity: AM: 12 KHz (-80 dB)
SSB: 6 KHz (-60 dB)
Image rejection:
AF output power / speaker:3 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm

RF output power: AM: 3.5 W
SSB: 15 W (PEP)
Modulation system:
Max FM deviation (Factory set):No FM
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 5-pin DIN (180)
Microphone input level:? mV

Manufactured:Japan, 1977-198x (Discontinued)
Main PCB:PTBM048AOX by Cybernet Electronics Corporation
Sub PCBs: PTLD? - LED display board
PTSW094AOX - Channel selector board
PTZZ024AOX - Selcall relay board
Additional info: This version was made for the swedish market, which makes
it very rare today.
Related documents:PLL: PLL02A
Sams Photofact #:None
Modifications and fixes:
Options / Accessories:
Desk microphone with amplifier and PTT lock. 800 ohm
Hand microphone with amplifier. 800 ohm
Desk microphone with amplifier
Hand microphone with amplifier
Handset with PTT and speaker switch
A rear picture of Hy-Gain V (2705A)