Kenwood TM281A TM481A TM-281A VHF136-174MHz TM-481A UHF 400-470MHz 50W Vehicle Mounted Two Way Radio Walkie Talkie
Main Features
Kenwood TM-481 Mobile Radio is a fully functional and high-quality mobile radio. It not only enables clear and stable communication connections, but also has powerful transmission power, multiple practical functions.
If you are an amateur radio enthusiast or need to use a radio device for communication, we strongly recommend choosing Kenwood TM-481 mobile radio, as it will be your thoughtful assistant in terms of effectiveness, ease of worry, and durability.
1. High quality sound transmission technology
Kenwood TM-481 mobile radio adopts the latest sound transmission technology, further upgrading the sound quality transmitted. It has clear, high fidelity, and noise free transmission effects, which can better achieve voice calls and enhance the reliability and comfort of wireless communication.
2. Stable communication system
Kenwood TM-481 mobile radio has advanced system design and high-quality hardware components, giving it high stability and error correction capabilities. It adopts technologies such as automatic channel scanning and frequency hopping, which can effectively avoid interference and frequency band conflicts, and ensure the continuity and stability of communication.
3. Powerful transmission power
Kenwood TM-481 mobile radio can provide up to 50 watts of transmission power, giving it powerful, long-distance communication capabilities. Whether exploring in the wilderness or within the city, stable communication connections can be easily achieved.
4. Multifunctionality and practicality
Kenwood TM-481 mobile radio has multiple functions and practicality, including automatic power control, full band coverage, radio station call function, call encryption function, and so on. The richness and practicality of these features make it a highly reliable and useful radio product.
Other functions
- 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
Specifications
| Feature | TM-481A |
|---|---|
| Frequency Range | TX & RX: 400-470 MHz |
| Mode | F3E (FM) |
| Power Requirement | 13.8V DC ±15%, negative ground |
| Current Drain | Transmit:<14A (High), <8A (Low)**
Receive:<1A |
| Operation Temp. Range | -20°C to +60°C |
| Antenna Impedance | 50 Ω |
| Microphone Impedance | 600 Ω |
| Frequency Tolerance | +2.5 ppm |
| Dimensions (WxHxD) | 161 x 43 x 170.5 mm |
| Weight | 1.13 kg |
| RF Power Output (Hi/Lo) | 45W / 25W |
| Modulation | Variable reactance modulation |
| Max Frequency Deviation | Wide: +5 kHz / Narrow: +2.5 kHz |
| Modulation Distortion | <3% (300 Hz – 3 kHz) |
| 2nd IF Frequency | 450 kHz |
| 1st IF Frequency | 49.95 MHz |
| Receiver Sensitivity (12dB SINAD) | <0.20 μV
Narrow:<0.25 μV |
| Squelch Sensitivity | <0.1 μV |
| Selectivity (-6 dB) | >10 kHz |
| Alternate (/-60 dB) | <24 kHz |
| Audio Output Power | >2 W (5% distortion) |







