Introducing the Radioddity CBL-561 HF Antenna, designed to deliver outstanding performance and durability. This antenna supports a frequency range of 25-30MHz, covering both 10-meter and 11-meter bands. With an impressive SWR of ≤1.3:1 and a high power capacity of up to 500W, the CBL-561 ensures reliable and powerful transmission. Crafted from premium aluminum alloy, it stands sturdy and windproof, built to withstand any outdoor environment. Its compact 80cm length, adjustable three-section design, and included tool make it easy to fine-tune for optimal performance across different frequency points. Compatible with: 10 Meter Radio Radioddity QT40, Radioddity QT60, Radioddity QT80, and all other brand's 10 meter radios. CB Radio Radioddity CS-47, Radioddity CB-27 Pro, Radioddity CB-500, Radioddity CB-900 Pro, and all other brand's CB radios. CLICK HERE to check all Radioddity CB radios. Specifications: Frequency Band: 25-30MHz SWR: ≤1.3:1 Maximum Power: 1000W (PEP) Connector: PL-259 Whip Length: Adjustable Material: Aluminum Alloy Threads between marked parts: 3/8-24 [* part] Work with 1. Radioddity M916 Antenna Base (recommended) 2. Radioddity RA-M5 Antenna Base What’s in the box? 1 x The bottom section of the antenna (fixed length of 44.5 cm/17.5 in) 1 x The middle section of the antenna (fixed length of 32 cm/12.6 in) 1 x The top section of the antenna (variable active length between 26.8 cm/10.6 in and 72 cm/28.3 in) 1 x 2mm Allen-key