- Work as POE injector, need separately power adapter（52V 30w/60w/90w based on application）
- Work as POE extender, can get power from POE uplink then POE extend up to 100m 1000Mbps
- Use in pair, one works as POE injector and One works as POE extender, max up to 300m Ethernet transmission. （network Switch -POE injector-POE Extender-terminal device）
