PVDM3-128= – 128-channel high-density voice DSP module SPARERead more PVDM3-128U256 – PVDM3 128-channel to 256-channel factory upgradeRead more PVDM3-256 – 256-channel high-density voice DSP moduleRead more PVDM3-256= – 256-channel high-density voice DSP module SPARERead more PVDM3-64 – 64-channel high-density voice DSP moduleRead more PVDM3-64= – 64-channel high-density voice DSP module SPARERead more
