【Durable Materials】Metal materials for well made, allowing not easy to break and bend. Boost the signal as need anywhere you use walkie talkies. Fit well with radios, better connection. | 【Business Radio Antenna】Great replacement antenna for the walkie talkie. | 【SMA Connector】Connector SMA Female for convenient use. Maximum Power Rating: 10 watts, Working Temperature: 22℉~140℉ / -30℃~60℃. | 【Frequency & Length】Single band antenna with UHF frequency 406.1-470 MHz, Antenna Length : 6inch Diameter: 0.55 inches Weight:12.2g | 【Compatibility】Work with the following portable radios: SAMCOM FPCN10A FPCN30A FPEN10A Walkie Talkie, works great with most two-way radios within this frequency range.