BK Technologies (formerly known as RELM Wireless) is a company that designs and manufactures wireless communication products. It mainly offers two-way land mobile radios (LMR), sold to two market segments: the government and public safety markets, including homeland security, fire, rescue, law enforcement, and emergency medical personnel as well as military and various agencies of the federal, state and local governments; and the business, industrial and commercial markets, including disaster recovery, railroads, educational institutions, hotels, construction companies, and airlines.