TM-455A / E

Kenwood
TM-455A / E

Specifications

Prices

430 MHz FM, SSB, and CW transceiver featuring a detachable front panel for easy mounting in a car. 35 Watts output, HI/LO switch enables power reduction to 5 Watts. Among its many features are 100 multi-function memory channels plus 1 call channel, triple conversion receiver, AIP circuitry that allows the operator to choose either high sensitivity or a high intercept point to suit conditions, IF-SHIFT and a noise blanker for improved receiver performance, RIT control, DDS synthesizer with fuzzy logic control and fine 5 Hz step, twin tuning dials, data connector for Packet communications, built-in high stability TCXO. Ideated in Japan, year of introduction 1994.

Reference market : amateur-radio

TM-455A / E specifications

General

Frequency coverage
Receive	430.0000 ~ 440.0000 MHz
Transmit	430.0000 ~ 440.0000 MHz
Mode
CW / LSB / USB / FM
Tuning step
5 / 10 / 100 Hz / 1 / 5 / 10 [1] kHz (CW/SSB) 10 / 50 / 100 Hz / 1 / 5 / 10 / 12.5 / 20 / 25 [1] kHz (FM) 1 MHz

Receiver

Sensitivity
CW/SSB	<0.11 uV (10dB S+N/N)
FM	<0.18 uV (12dB SINAD)
Selectivity
CW/SSB	>2.1 kHz (-6dB) <4.8 kHz (-60dB)
FM	>12 kHz (-6dB) <28 kHz (-60dB)
RF attenuator
Yes [2]
IF-shift
Yes
NB (Noise Blanker)
Yes
RIT (Receiver Incremental Tuning)
±1.1 (10 Hz step) ±2.2 kHz (20 Hz step)
Frequency stability
±1ppm with temperature from -10°C to +50°C (CW/SSB) ±2ppm with temperature from -20°C to +60°C (CW/SSB) ±5ppm with temperature from -20°C to +60°C (FM)
IF (Intermediate Frequency)
1°	41.415 MHz
2°	10.695 MHz
3°	455 kHz (FM only)
Squelch sensitivity
<0.13 uV (CW/SSB) <0.09 uV (FM)
CW features
Pitch control (400~1000 Hz, 50 Hz step)

Transmitter

Output power
CW/SSB	5 / 35 W
FM	5 / 35 W
Spurious emission
<-60 dBc
Carrier suppression (SSB)
>40 dB
Unwanted sideband suppression (SSB)
>40 dB
Maximum deviation (FM)
± 5 kHz
Audio response
400~2600 Hz (-6dB, SSB)
Audio distortion
<7% (60% modulation, SSB)
Microphone
600Ω

Features

Memory
50 simplex channels 49 split-frequency channels 1 call channel 1 scan range
Display
100 Hz frequency resolution 30-segments signal meter bar
Selective calling
CTCSS / DTMF 1750 Hz tone
Antenna
SO239 50Ω
Power supply
13.8 VDC (±15%)
Power consumption
<0.9A RX (no signal) <15A TX (max RF power)
Audio power
2W on 8Ω
Audio output
Jack 3.5 mm mono (external speaker)
Connections
Jack 3.5 mm (CW key) 6-pin mini-DIN (DATA / Packet) 8-pin Jack (Mic)

Mechanical and environmental data

Operating temperature
from -20°C to +60°C
Dimensions
180 (W) x 60 (H) x 215.5 (D) mm, projections not included. 180 (W) x 68.5 (H) x 250 (D) mm, projections included
Weight
2.8 kg

Alternate tuning control & Up/Down mic keys, predefined (selectable by menu) step size.
AIP function.

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TM-455 vs TM-255 :

The Kenwood TM-255 is similar to TM-455 described in this page, but with 2 meters coverage rather than 70cm.

TM-455A / E scan speed :

Scan speed can be changed through 9 steps using the RIT control. A weight value of the form "PN" appears on the display during scan. "PN" is a number from 1 to 9 that acts as a speed reference. Turning the RIT control clockwise decreases the scan speed, and counterclockwise increases the speed.

Setting scan speed in the Kenwood TM-455

The Program Scan speed can be set independently from Memory/VFO/Call Scan speed. Reference: A weight value of "1" is 0.02 second/step for Program Scan and 0.4 second/step for Memory Scan. A weight value of "9" is 0.4 second/step for Program Scan and 12 second/step for Memory Scan.

TM-455A / E price

We have collected for your convenience the Kenwood TM455 sale price (Euro) and its trend over time. Useful to guarantee a cheaper purchase of this radio and to put it for sale in the second-hand market. Of course offers, accessories, warranty terms and conditions can lead to different figures.

Price	Date	Condition
EUR 329.00 (349USD)	2022-jan	Second Hand Operation has been confirmed. Comes with manual, DC cord, microphone, bracket, box

TM-455A / E review

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