Shure 510SLB is an integral assembly of a Controlled Magnetic Microphone and a desk stand. The microphone is an especially rugged medium impedance unit that is recommended for both mobile and fixed applications particularly in Police, Fire, Utility, Forestry, and Transportation services. It is also suitable for public address, recording call systems, radio telephone, amateur use, and similar applications where a rugged microphone with a semi-directional pickup characteristic is required.