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Last modified 2025-04-02

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Kenwood TS-790

A picture of Kenwood TS-790

SPECIFICATIONS

GENERAL
Type:Amateur VHF/UHF transceiver
Frequency range: Japanese domestic market
TX: 144-146 / 430-440 MHz
RX: 144-146 / 430-440 MHz
Band option
23 cm / 10 W
Tuning steps:20 / 100 Hz
1 / 5 / 10 / 12.5 / 20 / 25 / 50 KHz
Frequency stability:SSB/CW: Less than ±3 ppm @ -10 to +50°C (14 to 122°F)
Mode:FM / SSB / CW
Channels / memory management: 30 regular
20 split
2 programmed scan (+1 with 23 cm option)
2 alert (+1 with 23 cm option)
2 call (+1 with 23 cm option)
Repeater shift / offset:±600 KHz and ±1.6 / 5 / 7.6 / 12 / 20 / 33 / 35 MHz
Power supply:13.8 VDC ±15%
Current drain / power consumption:RX: 2.5 A (No signal)
TX: Max 5.5 A
Antenna impedance / connector:50 ohm / Two SO-239 (And one N-jack for the 23 cm option)
Dimensions (W*H*D):330*110*330 mm (13*4.33*13")
Weight:8.8 Kg (19.4 lb)
Other features:CTCSS/PL. Speech processor. Twin RX.




RECEIVER SECTION
Receiver system:IF matrix
Sensitivity: FM: 0.16 uV (12 dB SINAD)
SSB/CW: 0.13 uV (10 dB S+N/N)
Squelch sensitivity: Threshold
FM: 0.13 uV
SSB/CW: 0.16 uV
Noise figure:
Selectivity: FM
12 KHz (-6 dB)
24 KHz (-60 dB)
SSB
2.1 KHz (-6 dB)
4.8 KHz (-60 dB)
CW
500 Hz (-6 dB)
2 KHz (-50 dB)
Image rejection: 2 m: 65 dB
70 cm: 60 dB
23 cm: 55 dB (With 23 cm option)
AF output power / speaker:1.5 W at 10% distortion / 8 ohm
External speaker connector:TS "Minijack" (3.5 mm), 8 ohm




TRANSMITTER SECTION
RF output power:

PwrBand unit
2 m FM:Max 10 WBuilt-in
2 m SSB/CW:Max 10 WBuilt-in
70 cm FM:Max 10 WBuilt-in
70 cm SSB/CW:Max 10 WBuilt-in



23 cm:Max 10 WUT-10 (Option)
Modulation system:FM: Reactance modulation
SSB: Balanced modulation
Max FM deviation (Factory set):±5 KHz
Spurious emissions:2 m/70 cm: Better than -60 dB
23 cm: Better than -50 dB (With 23 cm option)
Microphone impedance / connector:600 ohm / 8-pin (Male locking ring jack)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan, 1988-199x (Discontinued)
Additional info:
Related documents: RF power module 2 m: M57713
RF power module 70 cm: M57716
RF power module 23 cm: M57762
Modifications and fixes:
Reviews:
Options / Accessories:
HS-5
HS-6
IF-232C
MC-43S
MC-60/S8
MC-80
MC-85
PG-2S
PS-31
SP-31
UT-10
Headphones
Headphones
RS-232C interfacce
Dynamic hand microphone with up/down buttons
Desk microphone
Omnidirectional electret desk microphone
Unidirectional electret high class desk microphone
DC power cable
Power supply. 13.8 VDC, 20 A
External speaker with filter
23 cm band unit
A rear picture of Kenwood TS-790