The LGL Group, Inc., together with its subsidiaries, engages in the design, manufacture, and marketing of frequency and spectrum control products in the United States and internationally.

The company operates through two segments, Electronic Components and Electronic Instruments.

The Electronic Components segment offers clock oscillators, VCXO, TCXO OCXO, and DOCXO devices; and radio frequency, microwave and millimeter wave filters, diplexers, and solid-state power amplifiers.

It also provides filter devices, which includes crystal, ceramic, LC, tubular, combline, cavity, interdigital, and metal insert waveguide, as well as digital, analog and mechanical tunable filters, switched filter arrays, and RF subsystems.

This segment's products are used in infrastructure equipment for the telecommunications and network equipment industries; and electronic systems for applications in defense, aerospace, earth-orbiting satellites, down-hole drilling, medical devices, instrumentation, industrial devices, and global positioning systems.

The Electronic Instruments segment designs and manufactures frequency and time reference standards, distribution amplifiers, redundancy auto switches, and NTP servers for timing and synchronization in various applications.

Its products are used in computer networking, satellite ground stations, electric utilities, broadcasting, and telecommunication systems.

The company was formerly known as Lynch Corporation and changed its name to The LGL Group, Inc.

The LGL Group, Inc. was founded in 1917 and is based in Orlando, Florida.