This SMA male dual band antenna features telescopic design and high gain, which greatly improves the gain effect, and it is suitable for many models of walkie talkie. With a SMA male interface, it is easy to install or uninstall at your walkie radio. Made of ABS plastic, it is high quality and durable in use. Features: 1. The latest dual band walkie talkie antenna, truly achieves the effect of each frequency band. 2. This antenna features high gain which can help your radio search stations. 3. With a SMA male interface, it is easy to install or uninstall at your walkie radio. 4. The rod antenna can be pulled to the length of 92CM, which greatly improves the gain effect. After shrinking, it is 21CM, which is convenient to carry. 5. Made of high-quality ABS plastic, it is durable and wear-resistant. Specification: Material: Metal Color: Silver Gain: 3.0dBi (144MHz) / 5.5dBi (430MHz) Maximum power: 20W Interface: SMA-M Frequency band: dual frequency VHF/UHF Frequency: 144MHz/430MHz V.S.W.R: