Peltor FL5017, Motorola PTT adaptor cable for EX500, EX600, List $253.87 Quantity in Basket: None Code: FL5017 Price: $215.80 Shipping Weight: 1.00 pounds Quantity: Peltor FL5017, Motorola PTT adaptor cable for use with Peltor MT headsets and two way electronic headsets, waterproof, palm activated. For EX500, EX600, Requires Motorola audio accessory adaptor PMLN4455A. List $181.00