USB - PTT, Secure Voice support

Corded USB - PTT, Secure Voice

• SHS 2626-14: Momentary Only PTT, w/ Serial Number (P/N: 92626-14)
• SHS 2626-12: Selectable PTT, w/ Serial Number (P/N: 92626-12)
• SHS 2626-13: Momentary Only PTT (P/N: 92626-13)
• SHS 2626-11: Selectable PTT (P/N: 92626-11)