Motorola's Talkabout 53724 is compatible with: EM1000, FV200 Series, FV300 Series, FV500 Series, FV600 Series, FV700 Series, FV800 Series, T5000 Series, T6500 Series, T7000 Series, T8000 Series, T9000, Series, SX000 Series, and the new MT Series Motorola Talkabout products.