PoE / 802.3 af
Each PoE port powers up to 15W at a very short distance. Power delivered at a longer distance (up to 100m) is 12.95W. Typical devices needing less than 12.95W are:

IP Phones with small or no display

Indoor Wireless 802.11 n or 2x2 Wireless 802.11 ac Access Points

Simple IP Cameras

PoE+ / 802.3 at
Each PoE+ port powers up to 30W (2 Pair) or 60W (4 Pair) at a very short distance. Power delivered at a longer distance (up to 100m) is 25.5W or 51W (4 Pair).
Typical devices are:

IP Phones with a large display, video phones, conference systems

Up to 4x4 Wireless 802.11 ac (WiFi 5) or 2x2 802.11 ax (WiFi 6) Access Points

Pan-Tilt-Zoom HD IP Cameras without heaters

PoE++ / 802.3 bt
Each PoE++ port powers up to 60W (2 Pair) or 90W (4 Pair) at a very short distance. Power delivered at a longer distance (up to 100m) is 51W (2 Pair) or 71W (4 Pair).
Typical devices are:

Conference systems with a large display

Up to 4x4 802.11 ax (WiFi 6) Access Points

PTZ HD IP Cameras with heaters

AV over IP encoders/decoders

Ceiling tiles LED Lighting

Large audio speakers
Surveillance
Works with IP Cameras for home and office, small business

VoIP Conference Call
Works with VoIP phones for business conference

Wi-Fi Coverage
Works with WiFi APs for office and business
Cudy 90watt Gigabit 802.11 bt/at/af PoE+ Injector
PoE Output:

- Pin Assignment and Polarity: 1/2 (-), 3/6 (+), 4/5 (+), 7/8 (-)

- Output Power Voltage:
Typical: 56V, Support any 802.3 bt/ 802.3 at / 802.3 af device

- User Port Power Output: 90W max

Protection:

- Over current protection

- Over load protection

- Over voltage protection

- Anti-interference protection