The Walsin RFANT5220110A2T is an RF antenna designed for use in devices running with 2.4 GHz and 150 MHz frequencies. This antenna is a cylindrical type with an omnidirectional pattern and is 5.2" in length, 2.0" in width, and 1.1" in height. It is constructed of a durable ABS/PTFE material, and is both shock and vibration resistant. The RFANT5220110A2T also offers excellent performance in terms of signal quality, range, and sensitivity, making it an ideal choice for wireless networks and applications.