OTTO Engineering Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7001 Black. OTTO PTT options let you remotely key your radio and give you the advantage of hands-free mobility for handling weapons or tools. Specifications for OTTO Engineering Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7000: Manufacturer: OTTO Engineering Color: Black Quantity: 1 Additional Features: for Motorola APX 7001 Gender: Unisex Features of OTTO Engineering Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7000 Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7000 NATO wired quick disconnect interface Package Contents: OTTO Engineering Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7000 OTTO Engineering V3-10861: Push-to-talk adapter Nexus Quick Disconnect to Motorola APX 7001 Black