1、Wide Compatibility: For Cobra HH38WXST HH50WXST HH50 MRHH350FLT C75WXST for 75‑822 75‑785 MHS75 for BC75XLT PRO401HH BC125AT handheld transceiver. 2、Improve Signal: Antennae can increase the radio signal reception capacity. In addition, due to the high gain, the antennae can also enhance your radio's signal transmitting ability, can greatly improve the signal transmission distance. 3、27MHz Antennae: The antennae operates at a frequency of 27Mhz, offering stable and efficient performance. The BNC interface ensures easy and secure attachment to your handheld transceiver. 4、Telescopic Antennae: The length is approximately 25-108.5cm extendable. The antennae use telescopic design, it can be easy to carry, suitable for hiking or outdoor camping. 5、BNC Telescopic Antennae: When you need a simple, lightweight replacement antennae that is easy to install, this is one of the best choices. Furthermore, the antennae is bendable, allowing for safer and more convenient transportation. Item Type: BNC Telescopic Antennae Material: Metal Interface Type: BNC Length: Approx. 25-108.5cm / Approx. 9.84-42.72in Frequency Range: 27MHz 1 x BNC Telescopic Antennae