This AT218 Hand Held Scanner Antenna is compatible with most Uniden hand held scanners and has a frequency of 800 MHz. With the latest technology this antenna provides enhanced performance with durability and functionality exceeding expectations., Universal fit, 800MHz, Easy to install, Black matte, , , , , , , Weight (lb)0.05, Height (in)0.4,Width (in)0.9,Depth (in)6.9