Comtrol International is recognized as a major designer and manufacturer of industrial communication and control systems for more than a quarter century. Our products are used in power generation plants, steel mills, chemical plants, paper mills, and the mining industry where rugged and reliable communication systems are necessary.Comtrol introduced stainless steel enclosures as a quality benchmark, ensuring durability and longevity for the products they house. Our reputation is built on engineering expertise and continuing customer service.

LM1515 LoudMouth -                                LM1516 LoudMouth

Permissible                                              Permissible Talkback


  • One NEDA 926 battery.
  • High DC paging current.
  • Compact design.
  • Efficient speaker provides loud output and extended area of coverage.
  • High voice power to phone line.
  • Easy phone line connections using two lug terminal strip.
  • Transformer-isolation protects the circuit.
  • Minimum battery drain.
  • Easy mounting.
  • Protected page switch.
  • Easy repair.
  • High input impedance.
  • Conformal coating on printed circuit boards.
  • Solid state relay prevents chatter and allows many units to be installed on the same phone line.
  • Stainless steel construction, Type 304 brushed finish.
  • MSHA Approved 9B-71-1.
Comtrol´s Little LoudMputh series is a single battery operated communication station.

Alan Quinn

Sales Manager
(724) 689-9961