Features WIDE FREQUENCY RANGE: This 49:1 Balun has a wide frequency range of 5 to 35MHz, including 7MHz, 14MHz, 21MHz, 28MHz, and amateur frequency bands, can meet your usage requirements. EASY TO SET: The 49:1 balun has high portability, can be set as an inverted V, horizontal, inclined, or vertical heat sink, very convenient to work. STANDARD INTERFACE: The withstand power of this Balun is 100W PEP (SSB), comes with BNC female interface, standard, and easy to connect. SIMPLE TO USE: The Barron antenna is designed to operate without the need for a tuner and optimize the driving components for any part of the frequency band. CONVENIENT TO INSTALL: Barron is lightweight, compact in size, and can be easily installed in just a few minutes. Specification: Item Type: Shortwave Antenna Balun Material: ABS Frequency: 5-35MHZ Standing Wave: <1.5 Insertion Loss: <1.5DB Tolerance Power: 100W PEP (SSB) (Balun has passed the 30 minute continuous launch test and passed the safety test, with all parameters being real standards) Package List:1 x Shortwave Antenna Balun Package List 1 x Shortwave Antenna Balun