This is a high-quality SZ Antenna for test and measurement purposes. The antenna operates within the frequency range of 18-26.5GHz and delivers a gain of 10dBi. It is specifically designed for use in test equipment waveguides and can be used as a part of a test equipment setup. The SZ-WR42-10-W horn antenna is a reliable product that ensures accurate results for your testing needs. Get this antenna today and experience its superior performance.