Accessories › Barrel PTT button Image 1 of 1 Barrel PTT button $18.95 Waterproof Barrel PTT button with steel case and cap. Requires Modular Junction Box and Connector Cable. Add To Cart Added! Waterproof Barrel PTT button with steel case and cap. Requires Modular Junction Box and Connector Cable. You Might Also Like 2-Way Radio Connector Cable from $29.95 Commander Modular Military/Tactical Headset $91.95 Connector Cable for Dual-Muff and Single-Muff High-Noise Headsets $40.95 Pro-Tactical Throat Microphone $61.95 Modular Throat Microphone $38.95