​Optima 6L 2.4 GHz AFHSS, 6-ch. Full Range Receiver - Hitec

​Optima 6 2.4 GHz AFHSS, 6-ch. Full Range Receiver - Hitec

​Maxima-6 2.4 GHz AFHSS Generation 2, 6-ch. Full Range Receiver - Hitec

​Optima-7 2.4 GHz AFHSS, 7-ch. Full Range Receiver - Hitec

​Optima-9 2.4 GHz AFHSS, 9-ch. Full Range Receiver - Hitec

​​Maxima-9 2.4 GHz AFHSS Generation 2, 9-ch. Full Range Receiver - Hitec