£189
Price includes 1st class signed for delivery by Royal Mail
TM-281A
VHF
TM-481A
UHF
The Kenwood TM-281A and 481A tranceivers are reliable compact and simple to use radios that can be user programmed by entering a frequency, moving up and down from that frequency with the knob and then you can store the channel into memory - the way it's been done for 40 Yrs, without the now common faffing around with lots of menu items and multiple button pushes. All the major functions of the radio are simple, and you only delve into menus to change things like CTCSS tones, or frequency steps. The front facing speaker has bags of loud, clear audio, so handy for installation in vans as well as quieter cars. They also make good radios to use at home or in the office, connected to a 13.8V standard power supply.
TM-281A/TM-481A Specifications
GENERAL
Antenna Impedance 50 ohms
Current Drain Receive Less than 1 A
Current Drain Transmit Less than 14 A
Dimensions (W x H x D) 6.3 x 1.69 x 4.69 in. (160 x 43 x 126 mm)
Weight (approx.) 2.6 lbs. (1.2 kg)
Frequency Range TX/RX: 136 - 174MHZ (TM-281A) or 400-470MHz (TM-481A)
Ground Negative
Microphone Impedance 600 ohms
Frequency Tolerance ± 2.5 PPM -20°C to 60°C
Mode F3E (FM)
Operating Temperature Range -20°C to 60°C
Power Requirement 13.8V DC (±15%)
RECEIVER
Audio Output Power More than 2W (8 ohms, 5% distortion)
Circuitry Double conversion superheterodyne
Intermediate Frequency 1st IF 49.95 MHz
Intermediate Frequency 2nd IF 450 kHz
Selectivity -6 dB More than 12 kHz (Narrow 10 kHz)
Selectivity -60 dB Less than 30 kHz (Narrow 24 kHz)
Sensitivity (12dB SINAD) Less than 0.18µV
Squelch Sensitivity Less than 0.10µV
TRANSMITTER
Frequency Tolerance Within ±10 ppm
Maximum Frequency Deviation ±5 kHz
Modulation Reactance modulation
Modulation Distortion Less than 3% (300 Hz ~ 3 kHz)
RF Output Power HI 65 W (TM-281A) 45W (TM-481A)
RF Output Power LO 25 W
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East Anglian Radio Services
40 Bridge Road
Oulton Broad
Lowestoft
NR32 3LR
01502568021 - 07885039092
East Anglian Radio Services.
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