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StarTech 4-Port Gigabit Midspan PoE+ Injector - POEINJ4G
Four-port Gigabit PoE+ midspan injector providing up to 30.8W per port and a 120W total power budget.
Frequently asked questions
What does POEINJ4G do?
Adds IEEE 802.3af/at PoE to four Gigabit Ethernet links, supplying up to 30.8W per connected compliant device.
Who is this product best for?
Powering several access points, IP cameras, VoIP phones or other PoE+ devices while retaining a non-PoE network switch.
What should I check before ordering?
Confirm every powered device is IEEE 802.3af/at compliant and the combined load remains within the 120W power budget.
Does it require drivers or software?
No software or configuration is required; each port detects and powers compliant devices automatically.
What is included in the package?
Four-port PoE+ injector, universal power adapter, regional power cords, wall-mount hardware and documentation.
What is the key installation requirement?
Pair each network input with its matching PoE output, connect compliant devices using suitable Ethernet cabling and apply AC power.
Is it suitable for an Australian setup?
Yes. DeviceDeal supplies the Australian-market version; always confirm the available ports, power and system compatibility for your installation.
What warranty applies?
POEINJ4G carries a StarTech.com 2 years manufacturer warranty, subject to the manufacturers terms and eligibility requirements.
Planning a broader setup? Browse the DeviceDeal buying guides. View the DeviceDeal product page.
(POEINJ4G)
Why choose POEINJ4G?

POEINJ4G specifications
Exact-model specifications for compatibility checking.
| Warranty Information | |
|---|---|
| Warranty | 2 Years |
| Hardware | |
| Industry Standards | IEEE 802.3af PoE, IEEE 802.3at PoE+ |
| Ports | 4 |
| Performance | |
| Maximum Cable Length | 328 ft [100 m] |
| Maximum Data Transfer Rate | 2 Gbps (Full-Duplex) |
| MTBF | 50,000 Hours |
| Power Output | 52V DC at 30.8W (PoE+) |
| Connector(s) | |
| Connector Type(s) | 8 - RJ-45 Female |
| Special Notes / Requirements | |
| Patents and Licenses | The following patents are licensed for this product. This list might not be all inclusive.; • United States Patent No. 5,406,260 (expired); • United States Patent No. 6,650,622; • United States Patent No. 7,457,250; • United States Patent No. 8,155,012; • United States Patent No. 8,902,760; • United States Patent No. 8,942,107; • United States Patent No. 9,019,838; • United States Patent No. 9,049,019; • United States Patent Application No. 14/695,456; • United States Patent Application No. 14/726,940 |
| System and Cable Requirements | If your connected devices do not meet the IEEE 802.3af or IEEE 802.3at PoE standard, then the POEINJ4G will not inject power to the connected device(s) / Ethernet cable(s) |
| Indicators | |
| LED Indicators | 1 - Power |
| Power | |
| Center Tip Polarity | Positive |
| Input Current | 2-1 A |
| Input Voltage | 100 - 240 AC |
| Output Current | 2.31 A |
| Output Voltage | 52 DC |
| Plug Type | M |
| Power Consumption (In Watts) | 120 |
| Power Source | AC Adapter Included |
| Environmental | |
| Humidity | 5~95% RH (Non-Condensing) |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -10°C to 70°C (14°F to 158°F) |
| Physical Characteristics | |
| Color | Black |
| Enclosure Type | Steel |
| Product Height | 3.5 in [9 cm] |
| Product Length | 6.7 in [17 cm] |
| Product Width | 11.8 in [30 cm] |
| Weight of Product | 7.1 oz [202 g] |
| Packaging Information | |
| Package Height | 3.5 in [90 mm] |
| Package Length | 12 in [30.5 cm] |
| Package Width | 7.1 in [18 cm] |
| Shipping (Package) Weight | 3.6 lb [1.6 kg] |
| What's in the Box | |
| Included in Package | 1 - 4 Port Gigabit PoE+ Injector |
| Additional Items | 1 - universal power adapter; 4 - power cords (NA/EU/UK/AU); 1 - wall-mount bracket set; 1 - instruction manual |
Sources: supplied product file, DeviceDeal product page and official StarTech.com specifications. Product appearance and specifications may change; confirm critical deployment requirements before ordering.
| SKU | POEINJ4G |
| Barcode # | 65030859752 |
| Brand | STARTECH |
| Shipping Weight | 1.6500kg |
| Shipping Width | 0.180m |
| Shipping Height | 0.090m |
| Shipping Length | 0.300m |
| Shipping Cubic | 0.004860000m3 |
This Australian-version product is supplied by DeviceDeal and is covered by the official StarTech.com 2 years manufacturer warranty in Australia.
- Keep your DeviceDeal tax invoice as proof of purchase.
- Coverage is subject to StarTech.com warranty terms, eligibility and product assessment.
- Warranty service does not replace rights that may apply under Australian Consumer Law.
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