ATEN VE-172R A/V Over Cat 5 Receiver is compatible with ATEN MDS Standard Plus Solution (VS-1204T/VS-1208T, VE-170T/VE-170R/VE-170RQ). It can cascade up to 10 levels make long distance transmissions up to 150m.   Compatible Transmitter Units:   VE-170T A/V Over Cat 5 Transmitter   VS-1204T A/V Over Cat 5 Transmitter   VS-1208T A/V Over Cat 5 Transmitter   Compatible Receiver Units:   VE-172R A/V Over Cat 5 Receiver with Cascade   VE-170R A/V Over Cat 5 Receiver   VE-170RQ A/V Over Cat 5 Receiver with Deskew