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Last modified 2022-03-21

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Kenwood / Trio TR-2300

A picture of Kenwood TR-2300


Type:Amateur VHF transceiver
Frequency range
depending on version:
General market
TX: 144.000-145.975 MHz
RX: 144.000-145.975 MHz
Japanese domestic market
TX: 145.000-145.980 MHz
RX: 145.000-145.980 MHz
Tuning steps:25 KHz (General market)
40 KHz and a +20 KHz button (Japanese domestic market)
Frequency stability:? ppm
Channels / memory management:80 + 1 (General market)
50 including +20 KHz button channels (Japanese domestic market)
Repeater shift / offset:-600 KHz (General market)
Power supply:9.6-13.5 VDC (Ten NiCd or nine alkaline R6/AA batteries)
or 9.6-16 VDC (3-pin connector)
Current drain / power consumption:RX: 45 mA (Squelched)
TX: Max 450 mA
Antenna impedance / connector:50 ohm / SO-239 or telescopic whip
Dimensions (W*H*D):122*51*175 mm (4.8*2.01*6.89")
Weight:1.2 Kg (2.65 lb), with batteries
Other features:1750 Hz tone call (Europe).

Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: CFT455F2 (General market)
Sensitivity:0.4 uV (20 dB noise quieting)
Selectivity:14 KHz (-6 dB)
32 KHz (-60 dB)
Image rejection:
AF output power / speaker:700 mW at 10% distortion / 8 ohm
External speaker connector:3.5 mm

RF output power:1 W
Modulation system:Variable reactance direct shift
FM deviation (Factory set):5 KHz
Spurious emissions:Better than -60 dB
Microphone impedance / connector:500 ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV

Manufactured:Japan, 1978-198x (Discontinued)
Additional info:
Related documents: User manual (4.7 MB)
Service manual (5.9 MB)
FM-IF: MC3357
Modifications and fixes:12.5 KHz step size modification, by F5RCT
Options / Accessories:
Trickle charger
NiCd battery pack. 12 V, 450 mAh
Helical whip antenna
A rear picture of Kenwood / Trio TR-2300
A picture of Trio TR-2300 for japanese domestic market