EPCOM Certified Products
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Optional Accessories
Product Specifications
GENERAL
Frequency Range:
TX: 144 – 148 MHz
RX: 136 - 174 MHz
Mode: F3E (FM)
Power Requirement: 13.8 V DC ±15 %, negative ground
Current Drain:
Transmit: Less than 14 A (High), less than 8 A (Low)
Receive: Less than 1 A
Operation Temperature Range: -20 °C ~ +60 °C
Antenna Impedance: 50 Ω
Microphone Impedance: 600 Ω
Frequency Tolerance: ±2.5 ppm (-20 °C ~ +60 °C)
Dimensions (W x H x D), 160 x 43 x 126 mm
(Projections included) 161 x 43 x 170.5 mm
Weight: 1.13 kg
TRANSMITTER
RF Power Output Hi / Lo: 65 W / 25 W
Modulation: Variable reactance modulation
Maximum Frequency Deviation: Wide: ±5 kHz, Narrow: ±2.5 kHz
Modulation Distortion: Less than 3 % (300 Hz - 3 kHz)
RECEIVER
Circuitry: Double superheterodyne
Intermediate
1st IF: 49.95 MHz
2nd IF: 450 kHz
Sensitivity (12 dB SINAD): Less than 0.18 μV
(Narrow: less than 0.22 μV)
Squelch Sensitivity: Less than 0.1 μV
Selectivity
-6 dB: More than 12 kHz (Narrow: more than 10 kHz)
-60 dB: Less than 30 kHz (Narrow: less than 24 kHz)
Audio Output Power: More than 2 W (5 % distortion)
Whatever the mission, wherever you go, KENWOOD’s TM-281A is a radio you can count on. This compact transceiver delivers powerful mobile performance and such advanced features as multiple scan functions and memory names. High-quality audio is assured by the large speaker. Naturally, MIL-STD compliant toughness ensures rugged reliability. And operating ease is second to none: illuminated keys and a large LCD with adjustable backlighting make for user-friendly operation day or night.
- Power-on Message
- Wide/Narrow Deviation Selection (per channel)
- 1750 Hz Tone Burst
- Automatic Simplex Checker
- Reverse Function
- Auto Repeater Offset
- Beep On/Off
- Auto Power Off
- Time-Out Timer
- Channel Display Mode
- Busy Channel Lockout
- Memory Channel Lockout
- MR-shift
- Direct Frequency Entry
- Key Lock