1. PORTABLE AND EASY TO USE: This is a portable small loop antenna, which is easy and fast to set up the antenna for your shortwave transceiver antenna 2. PRACTICAL FUNCTION: Let you enjoy the pleasure of multi band reception and communication at indoors, window, balconies and outdoors 3. REDUCE INTERFERENCE: Interference , possess low standing , strong directionality, full frequency band 4. EXTENDED USE METHOD: Remove the pull rod antenna. Connect a 20 meter long wire. The long cable frame is erected high or on the roof. Tuning method is the same as above. The efficiency increase several times. This method can replace the pull rod antenna 5. MAIN APPLICATIONS: Used for receiving and sending, aluminum alloy and steel material is Item Type:QRP Shortwave Antenna Purpose:reception FRQ:3.5-30MHZ, 50-54MHZ, 76-108MHZ, 117-136MHZ, 136-174MHZ, 400-470MHZ Note: Outdoor use is the best, indoor use antenna as close as possible to the window, reinforced concrete fully enclosed environment, against the wall and other environments, part of the frequency band standing ratio is not ideal. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:Metal Package Contents: 1 x Tuner 1 x Antenna 1 x Connector 1 x Antenna Storage Tube 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.