This is a 49:1 Transformer for end-fed half wave antennas. All you need to do is add your antenna wire.
For example, if you attach 130 ft (39.6 m) of wire you will get 80, 40, 20, 15 and 10 m or 67 ft of wire will give you 40, 20, 15 and 10 m.
Plus, if you use an AMU/ATU you MAY also get 30, 17 and 12 m depending on your setup. Your wire may be straight, sloper, inverted V, inverted L etc.
Ideal for limited space and stealth applications. SO239 Socket.
Power handling 100W PEP / 25W AM and Data – 50% TX/RX.