( Brand: Kenwood ), ( Manufacturer Part Number: MA-4000 ), ( Part Type: Mobile )
The MA-4000 Diplexer/Duplexer from Kenwood is a versatile and high-performance component designed specifically for use with 70cm (430MHz) and 2m (144MHz) UHF and VHF mobile radio systems. This diplexer/duplexer is a crucial component in enhancing the performance of your mobile radio, ensuring clear and reliable communication by separating and combining the two frequency bands.
The MA-4000 is a dual-band diplexer/duplexer, meaning it can handle two separate frequency bands simultaneously without interference. It is designed to fit seamlessly into your mobile radio system, with a compact size that minimizes the impact on your vehicle's interior. The diplexer/duplexer is constructed from high-quality materials, ensuring durability and reliability under a variety of operational conditions.
The MA-4000 features a 6-element design, which provides superior performance in terms of bandpass, isolation, and output power handling. The diplexer/duplexer is designed to have a low insertion loss, ensuring that as much of the radio's output power as possible is transmitted, rather than being absorbed by the diplexer/duplexer itself. The isolation between the 70cm and 2m bands is also excellent, ensuring that no unwanted signals are transferred between the two bands.
The MA-4000 is compatible with a wide range of Kenwood mobile radio systems, including the popular TM-D710GA, TM-D720GA, and TM-D740GA. It is also compatible with many other mobile radio systems from other manufacturers, making it a versatile and flexible option for users with a variety of radio systems.
In summary, the MA-4000 Diplexer/Duplexer from Kenwood is a high-performance component that is essential for ensuring clear and reliable communication in your mobile radio system. Its compact size, high-quality construction, and superior performance make it an excellent choice for users who demand the best from their radio systems.
Pros of Buying Ma-4000 Diplexer/Duplexer (Kenwood 70cm 2m UHF/VHF Mobile):1. Wide Bandwidth: The Ma-4000 diplexer/duplexer covers a wide frequency range of 430-450 MHz for UHF and 144-148 MHz for VHF, which is suitable for most amateur radio applications.
2. High Power Handling: This device can handle up to 150W of RF power, making it suitable for high-power mobile radio systems.
3. Sturdy Construction: The Ma-4000 is built to last with a rugged aluminum case and high-quality components, ensuring reliable performance even in harsh environments.
4. Easy Installation: The diplexer/duplexer is designed to be easy to install, with clear instructions and mounting hardware included.
Cons of Buying Ma-4000 Diplexer/Duplexer (Kenwood 70cm 2m UHF/VHF Mobile):1. Price: The Ma-4000 is a premium product, and it may be more expensive than some other options on the market.
2. Size: The device is relatively large and may not fit in all mobile radio installations.
3. Limited Frequency Range: While the device covers a wide frequency range, it may not be suitable for users who require coverage beyond the 430-450 MHz and 144-148 MHz bands.
Conclusion:The Ma-4000 diplexer/duplexer is a high-quality product that provides excellent performance for users requiring wideband coverage and high power handling. While it may be more expensive than some other options, its sturdy construction and easy installation make it a worthwhile investment for mobile radio users. However, users with limited space or those requiring coverage beyond the 430-450 MHz and 144-148 MHz bands may want to consider alternative options.
Recommendation:For users who require wideband coverage and high power handling in their mobile radio systems, the Ma-4000 diplexer/duplexer is an excellent choice. Its sturdy construction and easy installation make it a reliable and convenient option for mobile radio users. While it may be more expensive than some other options, its superior performance and durability make it a worthwhile investment for those who prioritize reliability and performance in their mobile radio systems.
Kenwood ma 4000 mobile duplexer aka diplexer 2m 70cm rated 50 watts can be used to combine two antennas to a dual band rig with one antenna connector or to use one antenna with a dual band rig with two antenna band outputs. Checks must clear before shipping. Combined connection is so 239 uhf female and vhf uhf connectors are pl 259 uhf male.
Guaranteed 100 working. Buyer to pay shipping.