1. Wide frequency rangeThe UHF antennas cover a frequency range of 400MHz to 490MHz and 80MHz to 200MHz. This circular antenna allows users to access a wide range of radio frequencies for communication across different channels. 2. Signal ReceptionEquipped with a tuning loop and 50 ohm impedance, this loop antenna ensures effective signal reception, minimizing interference and providing clear, uninterrupted, and reliable communication. 3. Easy to carryWith its small size and lightweight design, this mini loop antenna is portable and for activities, emergencies, and onthego usage. 4. Various SizesAvailable in different sizes, from 5cm to 10cm, this antenna offers flexibility and convenience to cater to various needs and preferences. 5. Materials and Exquisite CraftsmanshipMade of materials and crafted with exquisite craftsmanship, this radio antenna is built to last, providing stable and consistent performance in all conditions.