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Last modified 2022-02-04

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Ham International Jumbo

A picture of Ham International Jumbo


Type:Citizen band / "Freeband" / Export transceiver
Frequency range: 26.965-28.305 MHz in three bands
Lo:   26.965-27.405 MHz
Mid:   27.415-27.855 MHz
Hi:   27.865-28.305 MHz
Channels / tuning steps:120 (3*40)
Mode:AM / FM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:0.003%
Clarifier or Delta tune:Tune (TX/RX): 5 KHz
Clarifier (RX): 800 Hz
Power supply:Mains: 220 VAC (Fixed power cord)
Current drain / power consumption:RX: ? W
TX: Less than 75 W
Antenna impedance / connector:50 ohm / Two SO-239
Dimensions (W*H*D):405*150*300 mm (15.95*5.9*11.81"), without rack mounting handles
Weight:8.5 Kg (18.74 lb)
Other features:ANL/NB. SWR-meter. External selcall option.

Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM/FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.7 uV (10 dB S/N)
FM: 0.5 uV (20 dB S/N)
SSB: 0.2 uV (10 dB S/N)
Selectivity: AM/FM: 4 KHz (-5 dB), 10 KHz (-50 dB)
SSB: 2 KHz (-5 dB)
Image rejection:50 dB
AF output power / speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power:AM/FM: 4 W
SSB: 12 W
Modulation system: AM: Class B amplitude collector modulation
SSB: Double-balanced modulation
FM deviation (Factory set):? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:600 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Japan, 198x-198x (Discontinued)
Main PCB:PTBM059COX by Cybernet Electronics Corporation
Sub PCBs: PTLD061AOX - LED display and indicators board
PTOS006AOX - VCO/PLL/crystal and FM-IF board
PTPW007COX - AVR/power supply board
PTSR017COX - SWR and antenna A/B relay board
PTSW026COX - Rotary switch board
PTSW072COX - Lever switches board
PTSW076AOX - Channel selector board
PTZZ024AOX - Selcall relay board
Additional info:
Related documents: User / service manual (6.5 MB)
Sams Photofact #:None
Options / Accessories:
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An inside picture of Ham International Jumbo