Code Red NX Dual PTT Accessories. Can listen up to 4 radio channels simultaneously depending on radio. Features a Nexus connector (not compatible with Their modular series) wired to US NATO standard.The Dual PTT is a metal bodied waterproof (IP67) submersible PTT. Connection to headset is waterproof. Constructed military grade design not a plastic consumer grade device. Metal clip affixes to uniform or clothing. The Molle clip can be reversed to be used on left or right side of vest. Specifications for Code Red NX Dual PTT: Manufacturer: Code Red Size: One Size Color: Black Package Contents: Code Red Nx Dual Ptt Code Red CRD24235: NX Dual PTT Accessories