Kenwood TM-241A Instruction Manual

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2 SPECIFICATIONS TM-241Awsa‘canaday |TM-241A/E | TM-441Awsavcanada| TM-441A | TM-441E TM-541A/E| Frequency range MHz 144 to 148 te to 146 j 438 to 450 430 to 440 | 430 to 440 | 1240 to 1300| Mode F3E(FM)| Antenna impedance 500Operating temperature —20°C to + 60°C (—4°Fto + 140°F)cs) | Power requirements 13.8V DC +15%(117~158V). Ground Negative© Current drain | Transmit mode Less than 11A Less than 10A Less than 6A| Receiver mode Less than 0.6AFrequency stability Less than +10ppm Less than+3ppmDimensions (WXHXD) (mm) (Projections included) 140 X40 X 160(5-1/2" x 1.37/64" x6-19/64") (140 X40 X172(5-1/2"x1-37/64" X6-25/32")Weight (kg) 1.2(2.65ibs)HI 5OW 35W 10WOutput power 2 MID Approx 1OW Approx 10W =3 LOW Approx. 5W Approx. 5W 1W= Modulation Reactance modulation¢ Spurious radiation Less than — 60 dB~ | Maximum frequency deviation +5KHzAudio distortion (at 60% modulation) Less than 3% (300 to 3000 Hz)Microphone impedance 6000,f Circuity Double conversion superheterodyneIntermediate frequency 1st/2nd 30,825MHz/455kHz | 10.7MHz/455kKH2 30.825MHz / 455kHz 159.7MHz/455kHzg Sensitivity (12 dB SINAD) Less than 0.25nV Less than 0.16 nV‘@ | Selectivity —6dB: More than 12 kHz -—60dB Less than 24 kHz& | Squelch sensitivity Less than 0.1 uV Less than 0.177 uV Less than0.1 nVOutput (5% distortion) More than 2 W across 8 © loadsExternal speaker impedance 8Q‘ Australia: 144 to 148? Recommended duty cycle: 1 minute Transmit, 3 minutes ReceptionCircuits and ratings are subject to change without notice due to advancement in technology.