Motorola (Otto) V1-T12MG137, Throat microphone with acoustic tube & 80mm PTT Quantity in Basket: None Code: V1T12MG137 Price: $395.75 Shipping Weight: 5.00 pounds Suggested List: $439.75 Quantity: Motorola (Otto) V1-T12MG137. Microphone picks up even a whisper. Adjustable elastic strap for a comfortable fit. 80mm PTT option for use with protective clothing and special applications. For SP50, P1225/LS, CP150/200, CT150/250, CT450/LS.