Optimal Frequency Range: With a length of 3.5 inches and operating on a VHF band, this antenna covers a frequency range of 146-174MHz. It's designed for clear and reliable communication across various environments. and Secure Construction: The antenna features a helical design encased in sturdy molded plastic. It mounts quickly and securely to your radio, making it ideal for rigorous use in field operations or industrial environments. Convenient and Portable: and compact, this short antenna is perfect for users who carry their radios on belts during outdoor activities or camping trips. It offers minimal obstruction and maximum comfort. Comprehensive Package: Each package includes 10 VHF antennas, ensuring you have enough replacements or units for team use. This bulk pack offers excellent value and convenience for businesses and groups. Color:Black Material:plastic Package Contents: 10 * Antenna 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.