Description: This manual antenna tuner has Q9 interface, using T-type topology network, and QRP is easy to communicate with low-power transceiver. It is used to effectively match the transceiver and antenna to meet your transmission requirements and ensure the transceiver to communicate efficiently. Made of high quality ABS, Metal and fiber, it is durable to use. The length of the product is 10cm, the width is 6.8cm, and the height is 5cm. It can be used for Car Radio. Item Name: Manual Antenna Tuner Material:ABS,Metal,Fiber Style: Modern Type: Standard Rated Power: 3-20W Insulation Resistance: 30 - 300Ohm Connection Type: Q9 Type Operating Frequency: 1-30MHz Number of Days Exposed to Straightening Power: < 20W Adjusting The Number of Days for Input Power Tuning: < 3W Tuning Instructions: LED Display Carrying RF Power: < 15W RF Power Required for Tuning: < 3W Size:10cmx6.8cmx5cm/3.94inx2.68inx1.97in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. This kit is not a ready-made product and needs to be welded and installed by yourself. Package Includes: 1 X Manual Antenna Tuner Kit