Threat4^TM a North American brand of Tactical Communication and Protective Systems (TCAPS) designed and manufactured 100% in North America by Xacore. Designed around the Threat4^TM Tri / Dual-Radio Push-to-talk (PTT) with wireless remote PTT, our plug-and-play radio headgear includes; DSP in-ear headsets with Active Listening / Bionic Ears, temple transducers and speaker mics, also compatible with Xacore’s full product line, see www.xacore.com. Designed to meet or exceed MIL-STD-810F, IP67, and ESD all models are compatible with military and commercial radios including, MBITR, AN/PRC-148, AN/PRC-113, AN/PRC-117, AN/PRC-119, AN/PRC-137, AN/PRC-139, AN/PRC-150, AN/PRC-152, AN/PRC-153, AN/PRC-68, AN/PRC-77, AN/PSC-5, AN/VRC-12, H4870, IISR, LVIS, LST-5B/C, MX30, SABER, XTS 2500 / 3000/ 5000, PR4G, PRC-343, PRR-H4855, SINGARS, SOTAS, TOCNET / CAU, VIC, XTS 2500 / 3000 / 5000, F40/50...  Not all models shown.