1. Full-band coverage: supports 1.6MHz-50MHz, compatible with shortwave common frequency bands. 2. High power carrying capacity: can withstand 200W power in SSB mode, stable transmission. 3. Low standing wave design: full-band standing wave ratio ≤1.1, high matching efficiency. 4. Fully waterproof structure: internal epoxy resin infusion, moisture-proof and -. 5. and portable: size Φ35x35mm, light weight, easy to carry outdoors. Part name: 1:1 balun Frequency range: 1.6MHz-50MHz Power handling: SSB 200W VSWR: ≤1.1 Magnetic ring model: 798 Factory NXO-100 magnetic ring Colour:Black Material:ABS Package Contents: 1 x 1:1 balun Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.