| JPS Interop (formerly Raytheon) DSP-2 Radio4-Wire Interface Module For quantity discounts or further information please call 1-800-826-2907. Manufacturer p/n: 5961-818000 The DSP-2 Radio/4-Wire Interface Modules works with various JPS interoperability equipment such as the ACU-1000. This unit is easy to set up and has various pre-made cables for specific radio makes and models. For assistance with your interoperability needs call 800-826-2907. | 
