Rugged Radios › Digital Speech Processor (DSP) *Quantity 2 Required for RRP6100 Intercom* Digital Speech Processor (DSP) *Quantity 2 Required for RRP6100 Intercom* $200.00 sold out Digital Speech Processor (DSP) *Quantity 2 Required for RRP6100 Intercom* Sold Out Added! Digital Speech Processor (DSP) *Quantity 2 Required for RRP6100 Intercom*