Advanced communications systems for tac teams now include throat mics, nearly invisible wireless earpieces, and everything in between.
CeoTronics
CeoTronics calls its CT ClipCom Digital an "In Ear Audio System." With custom ear molds providing "Certified Noise Reduction" of 26 dB, the CT ClipCom Digital system provides clear audio communications as well as needed hearing protection for tactical officers and SWAT team members. This advanced comm system also features BlueTooth integration, ambient noise reception/protection, wireless remote PTT, and "Whisper-Mode" sniper microphone.
FreeLinc
FreeMotion 100 allows discreet, wireless earpiece communication utilizing patented, secure Near-Field Magnetic Induction (NFMI). The sleek black FreeMotion 100 is a mere 2.4 inches long, but packs a rechargeable lithium polymer battery allowing up to 20 hours of continuous talk time through an 8mm noise-cancelling microphone. Volume control and push-to-talk buttons are on-set. Included are earbuds, ear wires, and magnetic dock with 5v USB adapter.
Pryme Radio Products
The Gladiator tactical HD throat mic system blocks background noise by picking up sound directly from the user's vocal cords. Dual mic elements provide excellent audio and eliminate the throat location placement issues often found with single element products. It has a new single-piece microphone for comfort and a surveillance-style acoustic tube earphone for private communications. Heavy-duty construction features polyurethane cable, rubber, and high-impact polycarbonate.