Features Rugged and : Made of high-hardness, - material with an insulated , it withstands harsh environments. Precise Fit: Built-in M10 standard threaded connector, made of rust- pure copper, perfectly matches the SO239 base adapter. Wide Compatibility: Designed specifically for USDX QRP series radios, it also supports the -12 and other QRP HF shortwave antennas. Portable Design: Compact and , it's easy to carry and quickly install outdoors. Enhanced Signal Stability: Optimized structural design reduces signal interference and improves communication quality. Product Overview This red antenna bracket is designed for amateur radio operators and QRP operators. Made of high-strength industrial materials, it combines design with durability. Equipped with an M10 standard threaded connector and an SO239 insulated base adapter, it's widely compatible with USDX QRP series radios and -12 HF shortwave antennas, making it an ideal accessory for outdoor communications, emergency response, and mobile operations. Technical Parameters Thread Size: M10 standard thread, pure copper. Applicable Devices: USDX QRP series radios, -12 HF antenna and other compatible QRP devices Operating frequency band: HF shortwave band Application scenarios Outdoor amateur radio communications QRP portable operation Emergency communications Field adventure communications Instructions Align the M10 threaded end of the bracket with the bottom of the antenna and tighten clockwise. Securely connect the SO239 connector to the radio antenna port. Adjust the antenna bracket to the optimal angle and secure it in place. all connections are secure before use. Color: Red Material: Metal Package Contents: 1 x Telescopic Antenna Base 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.