Portable 20W Shortwave Antennas Covers 3.5MHz to 55MHz Frequency Ranges for Outdoor Activity & Emergency Communication

Features: Adjustable frequency: 3.5MHz-55MHz for sending and receiving, VSWR less than 1.5 at 50-54MHz, 76-108MHz, 117-136MHz, 136-174MHz, 400-470MHz-7MHz /10MHz/14MHz/21MHz - Power: 20W - 76mhz-108mhz reception - can receive UHF frequencies. Produced of steel - undrawn dimension approx. 30 cm /11.8 inches (including Tuners). The Tuners measure 10 x 3 x 3 cm /3.9 x 1.2 x 1.2 inches (L x W x D) - with 4mm male connector at the top. How to use small whip Antennas: 1. The upper knob is a band Switches for each frequency. The lower knob is used to fine-tune the frequency and vibration point. The upper outer rings 11 and inner rings 50 indicate the common location of 11-50 MHZ. 8 and stand for 8 MHZ, and this band can use this location. And so on. Then select the knob belows to fine-tune and find the best standing waves recommended link talent to check the vibration point. Expansion of use: Remove the rod Antennas. Connect a 20-meter line. Long Line were erected on high place or rooftops. The adjustment method is the same as above. launching efficiency will be increased several times!. Amateur radio enthusiasts, outdoor explorers, emergency communications personnel, short-waves radio receivers.

Specifications: Material: plastic+steel Size: about 3x10cm/1.2x4inch

Package Includes: 1xTuner 1xAntenna

note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.