OTTO Engineering designs & manufactures innovative spatial audio push-to-talk hubs, tactical ear-pro, battle tested navigation systems, speaker mics, covert surveillance kits, & wireless intercoms. Mission critical communication equipment for Military; SWAT; LEO; Executive Protection; Covert Operators; Fire & Rescue. For over 60 years OTTO’s products have been recognized for excellence in the most demanding environments worldwide. www.otto-comm.com (less)