East Anglian Radio Services

EARS | Business Radio Products

£189

Price includes 1st class signed for delivery by Royal Mail

 

PRICE INCLUDES VAT AT 20% £157.50 + VAT £31.50

TM-281A

VHF

TM-481A

UHF

The Kenwood TM-281A and 481A tranceivers are reliable compact and simple to use radios that can be set up in a number of ways ranging from a basic single channel radio, through to multiple memories and groups of users. VHF and UHF versions are available and they can work radio to radio, or through a repeater for larger coverage areas. 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.

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