NVT, kit for long distance transmission up to 610 m. on 2/4 pair UTP for 4 IP devices (cameras), consists of 1 x NV-FLXLK-BASE, 1 x NV-FLEX-04 and 1 power supply 55V/110 Watt

see the table in the documentation for an overview of transmission distances depending on the use of 2 or 4 pairs and depending on the max. power available, compatible with the IEEE standard, metal housing, the long distance connection can be made with a UTP/ STP cable (1, 2 or 4 pairs), 1 power supply 110 Watt included, compatible with standard EN 50121-4 (trains/metro environments), operating temperature -40° to +70° C