Features: 1.Completely compatible with all network modules on the market, no wire bonding is required, just connect the PC tail wire directly, which is convenient and practical. 2.Powerful type 2 PSE line detection digital noise filter, supports for EEE.802AF, limit elimination of misoperation. 3.Complete 8KV surge voltage protection system, electro magnetic compatibility meets EC61000?4?2/3/4/5/6 standard requirements. 4.Wide input power supply voltage design, support 28V/57V, built?in overheat protection, load short circuit protection. 5.Compatible with 1/2/3/6 and 4/5/7/8 power supply modes at the same time, external PD splitter, support POE switch. 6.Built?in dual?channel bridges rectifier, supports ENDPOINT (terminal crossover) and MIDSPAN (middle crossover) modes. 7.802.3AF protocol, no power supply, with thunder protection, has waterproof features(note the installation angle). 8.Effective distance up to 100 meters/109.4yd, 15W high power output, easy maintenance and worry?free installation. 9.Easy to install and manage, you can automatically and safely mix original equipment and POE equipment on the network, and can coexist with existing Ethernet cables 10.Installation is convenient, with wall?mounted holes and multiple fixed holes, making engineering installation simple. Specification: Conditon: 100% Brand New Item Type: POE Injector Material: ABS Plastic Color: As Pictures Shown Conversion Efficiency: More Than 90% POE Protocol: IEEE802.3AF/AT Standard Support: 1236/4578 Power Supply Input Voltage: DC48V-56V Output Voltage: DC12V 1A-2A Working Temperature: -10-45C Size: Approx. 14 x 8.4 x 3.2cm/5.5 x 3.3 x 1.3in PackageList: 1 xPOE Injector