Motorola , Adapter Cable with In-Line PTT for Use With RMN4051, RMN4052 & RMN4053 Headsets. RKN4094 Quantity in Basket: None Code: RKN4094 Price: $165.60 Shipping Weight: 3.00 pounds Suggested List: $184.00 Quantity: Motorola (RKN4094) Adapter Cable with In-Line PTT for Use With RMN4051, RMN4052 & RMN4053 Headsets. Fits CP150, CP200, P1225, P1225LS, SP50 & SP50+ Radios. 5/5/14