A single Wi-Fi access point or IP camera usually does not need a full PoE switch. A midspan injector turns one non-PoE switch or router port into a powered Ethernet run so data and DC ride the same Cat cable to the ceiling or eave. That is the job here. Multi-port budgets and rack PoE still belong on The Best PoE Switches for a Home Lab.

What to Look For

When an injector beats a switch. One AP above a garage, one porch camera, or one hallway phone is an injector job. A 4 to 8 port PoE switch is cleaner once you are lighting a whole floor of cameras.

802.3af vs 802.3at vs 802.3bt. Classic PoE (802.3af) tops out near 15.4 W at the PSE. PoE+ (802.3at) steps up to about 30 W for many dual-band APs and PTZ-ish cameras. 802.3bt / PoE++ covers hungrier Type 3/4 class loads (60 W and beyond at the injector). Match the PD label on the AP or camera, then leave a little headroom for cable loss.

Gigabit passthrough. Prefer injectors with true 10/100/1000 data-in and data+power-out so a multi-gig closet path is not forced down to Fast Ethernet. These midspans sit between a non-PoE switch and the PD. Endspan PoE (built into a switch) is the multi-device alternative covered on the switches page.

IEEE vs passive 24 V bricks. Stick to IEEE 802.3af/at/bt injectors that negotiate with the PD. Passive 24 V Ubiquiti-style bricks and random "48 V always-on" adapters can fry gear that expects IEEE handshake. If the listing does not say 802.3af, at, or bt, skip it for APs and cameras that expect standards PoE.

Indoor midspan reality. Most of these bricks are indoor closet or desk devices. The outdoor run is the Ethernet cable to the AP or camera, not the injector itself. Keep the injector dry, ventilated, and near a wall outlet next to the non-PoE switch.

Cabling. Cat5e is usually enough for gigabit PoE. Use known-good Cat6 for long or noisy paths (Cat6 vs Cat6a guide). For multi-gig switches elsewhere in the home, see Best Ethernet switches for a faster home network and Best 2.5GbE USB-C Ethernet adapters.

The TP-Link Omada POE160S is the default single-port buy for most APs and cameras: Gigabit in/out, 802.3at/af auto-detect up to 30 W, wall-mount kit, and a street price near $20. It is the rational step up from classic af when the AP label says PoE+.

✓ Pros

  • ✓ 802.3at/af with up to 30 W for typical APs and cameras
  • ✓ Gigabit data path with plug-and-play midspan install
  • ✓ Strong review volume and Omada accessory support notes

✕ Cons

  • ✕ Not 802.3bt; hungry PTZ or high-power APs need PoE++
  • ✕ Plastic shell, not a metal chassis
  • ✕ Needs a nearby AC outlet next to the non-PoE switch

Who it is for: one PoE+ AP or camera on a non-PoE closet switch. Who should skip it: buyers who only need light 802.3af (use the POE150S) or who need 60 W-class PoE++.

The TP-Link Omada POE150S is the classic 802.3af injector: up to 15.4 W, Gigabit ports, wall-mountable, and often under $16. Huge review volume makes it the safe cheap pick for light IP cameras and older af-class APs.

✓ Pros

  • ✓ Inexpensive IEEE 802.3af midspan with Gigabit passthrough
  • ✓ Massive review history for cameras and light APs
  • ✓ Compact wall-mount form for media closets

✕ Cons

  • ✕ 15.4 W ceiling; many modern dual-radio APs want PoE+
  • ✕ External brick power adapter takes more outlet clutter than integrated AC models
  • ✕ Not for 802.3at or 802.3bt PDs that refuse af-only PSE

Best for porch cameras and af-rated APs on a budget. Skip if the AP datasheet lists PoE+ / 802.3at as required.

Best Metal Housing: TRENDnet TPE-115GI

The TRENDnet TPE-115GI pairs PoE+ (30 W) with a metal housing, integrated AC inlet, and NDAA/TAA compliance notes that matter for some US installs. Street price sits near $25.

✓ Pros

  • ✓ Metal chassis and integrated power supply
  • ✓ 802.3af/at auto-sensing up to 30 W
  • ✓ NDAA/TAA compliant listing for government-adjacent buyers

✕ Cons

  • ✕ Costs more than the TP-Link POE160S for similar wattage
  • ✕ Larger footprint than compact Omada bricks
  • ✕ Still a single port (not a multi-camera switch substitute)

Best for buyers who want a tougher shell or TAA paperwork. Skip if the cheapest reliable PoE+ brick is the only goal.

The TP-Link Omada POE170S is the Omada 802.3bt-class midspan: up to 60 W, metal casing, Gigabit in/out, and af/at backward compatibility. Street price is about $45 when a Type 3-class AP or PTZ needs more than PoE+.

✓ Pros

  • ✓ Up to 60 W 802.3bt/at/af on a named Omada SKU
  • ✓ Durable metal housing with wall-mount options
  • ✓ Clear brand docs versus anonymous high-watt bricks

✕ Cons

  • ✕ Pricier than 30 W PoE+ injectors
  • ✕ TP-Link notes some EAP models prefer POE160S instead
  • ✕ Overkill for a single af camera

Best for hungry Omada or IEEE PoE++ APs when brand continuity matters. Skip if 30 W PoE+ already covers the PD label.

Best High-Wattage PoE++: PLUSPOE 90W

The PLUSPOE Gigabit PoE++ Injector 90W is the high-budget single PSE: IEEE 802.3bt/at/af claims up to about 90 W, Gigabit passthrough, and a street price near $36 when one PTZ or high-power AP outgrows 30 W and 60 W midspans.

✓ Pros

  • ✓ High wattage 802.3bt-class headroom for hungry PDs
  • ✓ Gigabit data-in and PoE++ data+power-out
  • ✓ Cheaper per watt than many brand-name 60 W injectors

✕ Cons

  • ✕ Generic brand support and thinner review history
  • ✕ Single port only
  • ✕ Confirm the PD really needs Type 4-class power before spending up

Best for one hungry camera or AP on a non-PoE switch. Skip if a 30 W PoE+ injector already matches the datasheet.

Comparison

Injector Standard Max power Housing Best use Street price
TP-Link POE160S 802.3at/af ~30 W Plastic Best overall single AP/camera ~$20
TP-Link POE150S 802.3af ~15.4 W Plastic Best budget light PD ~$16
TRENDnet TPE-115GI 802.3at/af ~30 W Metal Best metal / TAA notes ~$25
TP-Link POE170S 802.3bt/at/af ~60 W Metal Best named-brand PoE++ ~$45
PLUSPOE 90W 802.3bt/at/af ~90 W Plastic Best high-wattage PoE++ ~$36

The Bottom Line

Start with the TP-Link Omada POE160S for most single AP or camera drops, keep the TP-Link Omada POE150S for light 802.3af gear, and step to the TRENDnet TPE-115GI when a metal shell or TAA listing matters. Choose the TP-Link Omada POE170S or PLUSPOE 90W only when the PD label needs PoE++ headroom. When several devices share a closet, switch to a multi-port PSE from Best PoE switches for a home lab instead of stacking injectors.