POE synthesizer module 1. good quality; 2. competitive price; 3. fast delivery. POE synthesizer moduleDescription:Power supply: 4, 5 positive; 7, 8 negative (which can be changed to 4, 5 negative and 7, 8 positive)Voltage/ Currency: maximum 48V 3ADimension: 3.2cm x 4.8cm x 3.0cmUses: IP monitoring and network engineeringPackage Contents:1 x POE synthesizer module POE synthesizer module