
( Brand: Mfj )
The MFJ-1704 Ground Switch LP Antenna is a versatile and high-performing antenna solution designed for amateur radio operators. This antenna is equipped with a ground switch that allows you to easily switch between a ground plane and a conventional antenna.
The MFJ-1704 is a low-profile antenna, making it an ideal choice for those who are limited in space. It features a 0-450 MHz frequency range, which covers a wide range of ham radio bands, including 2 meters, 70 cm, and many other popular bands. The antenna has a power handling capability of 2.5 watts, ensuring it can handle the power output of most amateur radio transceivers.
The MFJ-1704 is also designed with a LP (low profile) antenna design, which means it has a low gain but a wide beamwidth, making it suitable for both local and long-distance communications. The antenna is also equipped with a U-bolt mount, allowing for easy installation on a variety of surfaces, such as roofs, fences, or poles.
Overall, the MFJ-1704 Ground Switch LP Antenna is a great choice for those who are looking for a versatile, high-performing, and low-profile antenna solution for their amateur radio operations. Its ground switch feature, wide frequency range, and low profile design make it a versatile and practical option for a wide range of ham radio applications.
The MFJ-1704 Ground Switch LP/Antenna Switch is a popular choice among amateur radio operators due to its features and performance. Here are some pros and cons to consider before making a purchase:
Pros:1. Wide frequency range: The switch covers a frequency range of 0-450 MHz, making it suitable for various types of amateur radio operations.
2. Low-pass filter: The built-in low-pass filter helps to eliminate unwanted noise and interference, improving signal quality.
3. Manual and automatic switching: The switch can be operated manually or automatically, allowing for easy switching between antennas.
4. Durable construction: The switch is made of high-quality materials, ensuring long-term reliability and durability.
5. Affordable price: Compared to other similar switches on the market, the MFJ-1704 is quite affordable, making it an attractive option for budget-conscious hobbyists.
Cons:1. Limited number of antenna ports: The switch has only two antenna ports, which may not be sufficient for more advanced radio setups.
2. Manual switching may be less convenient: While the manual switching option is useful, it may be less convenient than automatic switching for some users.
3. No remote control option: The switch does not have a built-in remote control option, which can be a disadvantage for users who want to switch antennas from a distance.
In conclusion, the MFJ-1704 Ground Switch LP/Antenna Switch is a solid choice for amateur radio operators who are looking for a reliable, affordable, and feature-rich switch. Its wide frequency range, low-pass filter, and manual and automatic switching options make it a versatile option for various radio setups. However, its limited number of antenna ports and lack of remote control option may be a disadvantage for some users. Overall, if the switch's features meet your needs and budget, it is a worthwhile investment for your radio setup.
I bought it new and then never used it. Handles 50 ohm.
Isolation is rated better than 60 db at 30 mhz to better than 50 db isolation at 500mhz. Negligible insertion loss. Extremely low Sr.
Specs mount this Mfj 1704 four position so 239 switch and you'll have more than convenience of instantly selecting any of 4 antennas or ground position you get a replaceable lightning surge protection that helps protect against distant lightning induced surges and static.