Specifications include, but are not limited to: 1 Tactical communication headset with Arc attachment. Part MT17H682P3AD19_19S_V PELTOR SWAT TAC 3 DAC 123 Equivalent or better than specifications listed below. Minimum acceptable specifications: Lead Type: Dual Downlead Noise Reduction Rating: 22 decibels EMI Standard: MIL STD 461E Waterproof: 3ft Submersion for 30 minutes Microphone: Antidextroud, Noise Cancelling Battery Type: 2XAAA (500hr life) Color: Black preferred other colors will be considered. 29 2 Communication Cable Kit. PELTOR PART #88055-00000 Equivalent or better than specifications listed below. Type: Gas Mask to push to talk (PTT) Gask Mask Type: Avon C50 PTT Type: NATO 29 3 Gas Mask Microphone Assembly AVON Part #711601-13 Equivalent or better than specifications listed below. Mask Brand: Avon Mask Model: C50 29 4 Push to Talk (PTT) Radio adapter from tactical headset to Motorola APX radio PELTOR #FL5063-02 Equivalent or better than specifications listed below. Headset Type: NATO Radio Adapter type: Motorola AXP Series Waterproof: Yes 29