Motorola RKN4097 In-Line PTT Adapter Cable Quantity in Basket: None Code: RKN4097 Price: $169.15 Shipping Weight: 1.00 pounds Suggested List: $199.00 Quantity: Motorola RKN4097 In-Line PTT Adapter Cable for use with RMN4051, RMN4052 & RMN4053 Headsets.