The Diamond Antenna Dual-Band HT Antennas SRH519 is a high-quality antenna designed specifically for use with Diamond brand radios. It is a dual-band antenna that offers excellent performance on the bands that it supports. Made in the United States, this new model is sure to provide clear and reliable communication for ham radio enthusiasts and hobbyists. Perfect for enhancing your radio communication experience, the Diamond Antenna Dual-Band HT Antennas SRH519 is a top choice for those looking to improve their signal strength and overall performance.