KENWOOD CORPORATION
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
KENWOOD U.S.A. CORPORATION
P. O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS BELGIUM N.V.
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD18 9EB United Kingdom
KENWOOD ELECTRONICS EUROPE B.V.
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129 Milano, Italy
KENWOOD IBERICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.
Sales Marketing Division
1 Ang Mo Kio Street 63, Singapore 569110
TM-271A/E
SPECIFICATIONS
GENERAL
Frequency Range
TX ............................................................................................ K,M4 : 144~148MHz E : 144~146MHz M2,M3 : 136~174MHz
RX ............................................................................................ K,E,M2,M3 : 136~174MHz M4 : 144~148MHz
Mode .......................................................................................... F3E (FM)
Antenna Impedance .................................................................. 50Ω
Usable Temperature Range ...................................................... –20°C~+60°C (–4°F~+140°F)
Power Supply ............................................................................. 13.8V DC± 15% (11.7~15.8V)
Grounding Method .................................................................... Negative ground
Current
Transmit (max.) ...................................................................... K,E,M2,M3 : 13A or less M4 : 8A or less
Receive (at 2W output) ......................................................... 1.0A or less
Frequency Stability (–20°C~+60°C) ......................................... Within ± 2.5ppm
Dimensions (W x H x D projections not included) ..................... 160 x 43 x 137 mm / 6-5/16 x 1-11/16 x 5-13/32 inch
Weight ........................................................................................ Approx. 1.2kg / 2.6lb
RECEIVER
Circuitry ....................................................................................... Double conversion superheterodyne
Intermediate Frequency (1st / 2nd) ............................................ 49.95MHz / 450kHz
Sensitivity (12dB SINAD) ............................................................ Wide : 0.18µV or less Narrow : 0.22µV or less
Selectivity
–6dB ........................................................................................ Wide : 12kHz or more Narrow : 10kHz or more
–60dB ...................................................................................... Wide : 30kHz or less Narrow : 24kHz or less
Squelch Sensitivity ..................................................................... 0.1µV or less
Audio Output (8Ω, 5% distortion) .............................................. 2W or higher (5% distortion)
Audio Output Impedance ........................................................... 8Ω
TRANSMITTER
Power Output
High ......................................................................................... K,E,M2,M3 : 60W M4 : 25W
Low ......................................................................................... K,E,M2,M3 : Approx. 25W
Modulation .................................................................................. Reactance modulation
Spurious Emissions .................................................................... –60dB or less
Maximum Frequency Deviation ................................................. Wide : ± 5kHz Narrow : ± 2.5kHz
Audio Distortion (at 60% modulation) ........................................ 3% or less
Microphone Impedance ............................................................. 600Ω
Note : All specifications (General,
Transmitter and Receiver) are guaran-
teed within the amateur radio band.
Guarantee K,M2,M3,M4 E
frequency range 144~148MHz 144~146MHz
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