
( Brand: Collins/ Stec ), ( Manufacturer Part Number: 628-5784-001 ), ( Part Type: Gear ), ( Compatible Model: Vhf251 )
The 628-5784-001 STEC Collins VHF251 Fractional Gear Microline is a state-of-the-art VHF marine radio designed for serious sailors and boaters. This radio features a compact and sleek design, making it an ideal choice for both small and large vessels.
The VHF251 is equipped with a high-performance fractional gear modulator that provides clear and stable transmissions, even in challenging marine environments. The microline design reduces interference and improves receiver sensitivity, ensuring that you always stay connected with other vessels and coast stations.
The radio features a large, easy-to-read LCD display that provides clear information on frequency, channel, and signal strength. It also includes a built-in GPS receiver, which allows for easy position reporting and DSC (Digital Selective Calling) functionality. The VHF251 is compatible with both Class D and E DSC, ensuring compatibility with a wide range of marine electronics.
The radio is also waterproof and dust-resistant, with an IPX7 rating, making it ideal for use in wet and harsh marine environments. The VHF251 is powered by a 12V DC source and includes a built-in battery charger, ensuring that the radio is always ready for use.
The STEC Collins VHF251 Fractional Gear Microline is also equipped with a noise-canceling microphone, which reduces background noise and improves voice clarity during communications. The radio also includes an integrated SOS button, which sends an automatic distress signal to coast stations in the event of an emergency.
In summary, the 628-5784-001 STEC Collins VHF251 Fractional Gear Microline is a powerful and reliable VHF marine radio that provides crystal-clear communications, GPS positioning, and DSC functionality. Its compact design, waterproof construction, and built-in battery charger make it an ideal choice for boaters and sailors who demand the best in marine electronics.
Pros of Buying Stec Collins VHF251 Fractional Gear Microline:1. Compact Size: The Stec Collins VHF251 has a small and lightweight design, making it easy to carry and install in various vessels.
2. Fractional Gear System: This handheld VHF radio uses a fractional gear system, which ensures smooth operation and improved performance.
3. Dual Watch Function: The dual watch function allows you to monitor two channels simultaneously, enhancing safety and communication capabilities.
4. Waterproof and Floats: The radio is waterproof and floats on the water, making it an ideal choice for marine use.
5. Long Battery Life: The VHF251 has a long battery life, ensuring that you stay connected for extended periods.
Cons of Buying Stec Collins VHF251 Fractional Gear Microline:1. Limited Range: Compared to other VHF radios, the Stec Collins VHF251 has a limited range, which may affect its usefulness in certain situations.
2. No GPS or AIS: The radio does not have built-in GPS or AIS, which can be a disadvantage for navigation and collision avoidance in some marine environments.
Conclusion:The Stec Collins VHF251 Fractional Gear Microline is a great choice for those looking for a compact, waterproof, and reliable VHF radio for marine use. Its dual watch function, long battery life, and fractional gear system make it an attractive option. However, its limited range and lack of GPS or AIS may be a drawback for some users. If you prioritize a compact size and long battery life, this radio could be an excellent fit for you. However, if you need a VHF radio with a longer range and built-in navigation features, you may want to consider other options.
Recommendation:If you are in the market for a reliable and compact VHF radio for your marine activities, the Stec Collins VHF251 Fractional Gear Microline is a great choice. Its pros far outweigh its cons, making it an excellent value for its price. However, be sure to consider your specific needs and preferences before making a final decision.
This will fix it. Hard to find Collins VHF251 metal fractional gear assembly P/N guaranteed to work if installed correctly. This will fix it.
Replaces P/N plastic gear assembly. The gear assembly is complete and in like new condition.

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