The enhanced Alpha Push-to-Talk (APTT) MK3 is a complete line of submersible, compact Push-to-Talk assemblies that come with various connection options, including a standard gas mask, multiple radios, and cell phone. The subcompact APTT was built in response to customers’ request for a smaller PTT and has options available such as volume control and remote PTT functionality. The APTT MK3 is an extremely durable PTT assembly manufactured utilizing a proprietary, sealed, reinforced single molded process.