Passive 4-Port 90W POE Extender with one IEEE802.3bt 90W Gigabit POE Input, up to 820ft POE extension and POE Watchdog Support measuring various kinds of

Support measuring various kinds of values to judge the sound level accurately: actual value

Support multiple VPN modes for secure remote access (IDMVPN

4G LTE CAT4/3G Network With Multiple Carrier Networks

RS485 to Ethernet converters

it can protect the POE Extender well when used outdoors

Passive 4-Port 90W POE Extender with one IEEE802.3bt 90W Gigabit POE Input, up to 820ft POE extension and POE Watchdog Support measuring various kinds ofPOE Extender04 is a hardened passive 4 port POE extender with total 90W POE budget and Gigabit uplink. It can be used to provide power to 4 POE devices (like IP cameras or VoIP hones) with just one POE network cable.