Kenwood TM-255E User Manual
Page 62
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General
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TM>255E
TNf-^5A^455E
Frequency range
144 MHz
-
148 MHz
144 MHz
-
146 MHz
430 MHz - 440 MHz
Mode
J3E (LSB/USB), AIA(CW),
F3E (FM)
J3E (LSB/USB), A1A (CW),
F3E (FM)
Number of memory channels
100
100
Antenna impedance
50 Q
50
Usable temperature range
-20°C
-
+60°C
-20°C - +60°C
Power supply
DC 13.8 V ±15%
DC 13.8 V ±15%
Grounding method
Negative ground
Negative ground
Current
Transmit (max.)
13.0 A or less
15.0 A or less
Receive
(no signal)
0.9 A or less
0.9 A or less
Frequency stability
-10°C~+50°C
—
Within ±1 X 10“®
-20°C ~ +60°C
Within ±2.5
X
10“®
Within ±2
X
10“®
-20°C ~ +60°C
(FM transmit)
Within ±10 X 10“®
Within ±5 X 10“®
Dimensions (W x H x D)
(projections included)
180 mm
X
60 mm x 215.5 mm
(180 mm
X
68.5 mm x 250 mm)
180 mm
X
60 mm x 215.5 mm
(180 mm
X
68.5 mm x 250 mm)
Weight
Approx. 2.7 kg
Approx. 2.8 kg
Transmitter
TM-255A
TM*255E
TM-455A/455E
Power output
High
Approx. 40 W
Approx. 35 W
Low
Approx. 5 W
Approx. 5 W
Modulation
SSB
Balanced
Balanced
FM
Reactance
Reactance
Spurious emissions
-60 dB or less
-60 dB or less
Carrier suppression
40 dB or more
40 dB or more
Unwanted sideband suppression
40 dB or more
40 dB or more
Maximum frequency deviation (FM)
±5 kHz or less
±5 kHz or less
Transmit frequency characteristics (SSB)
400 Hz to 2600 Hz
400 Hz to 2600 Hz
(Within -6 dB)
(Within -6 dB)
Audio distortion (at 60 % modulation)
7% or less
7% or less
Microphone impedance
600 Q
600 Q
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