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PoE Extenders

An Ethernet extender carries a network link beyond the 100m reach of a normal copper cable run, and a PoE extender passes power along with the data, so an IP camera, wireless access point or IP phone can sit well away from the switch. This collection covers in-line PoE repeaters such as the TRENDnet TI-E100, point-to-point kits over Cat5e or a single twisted pair, and Ethernet-over-coax adapters that re-use the coax left by analogue CCTV.

Choosing PoE Extenders

Choose an extender by the cable already in place, the distance to cover, the PoE power the far device draws and how many devices share the run.

Twisted pair or coax

Where a Cat5e or Cat6 run reaches its 100m limit, an in-line repeater restarts the link: the Nitek EE328 adds 100m per unit and can be daisy-chained, and the Veracity VOR-ORM-G doubles a gigabit run to 200m. For longer point-to-point links, LONGSPAN units such as the Veracity VLS-LSM-B carry 100Base-TX to 820m on Cat6, and Nitek EL1551U kits work over a single twisted pair. Where analogue cameras leave coax behind, Ethernet-over-coax sets such as the Nitek EL1500C, Comnet CLFE4EOC and Axis 5026-401 re-use it for IP video and PoE.

ExampleCableStated reach
TRENDnet TI-E100 repeaterEthernet, in line100m added, 300m with two units
Nitek EL1551UP kitsingle twisted pair300m
Nitek EL1500C setRG59U coax500m
Veracity VLS-LSM-BCat6820m
NVT Phybridge NV-FLX-04-XKITone coax run1,220m
Comnet CLFE4EOCcoax610m at 100Mbps, 1,524m at 10Mbps

Powering the link

In-line repeaters such as the Nitek EE328 draw their power from the PoE switch, so nothing is needed at the midpoint. Multi-port coax receivers such as the Nitek ER8500C and ER16500C have an internal supply that powers the system, while the Comnet CLLFE4POEC can generate PoE+ itself with a 48 to 56V input, its power supply sold separately.

Kits, racks and mounting

Point-to-point sets pair a unit at each end, as in the Nitek EL1543C bundle of an ER1500C receiver and ET1543C mini transmitter. For many cameras on one head end, the Nitek ER16500C is a rack mounted receiver for up to 16 coax transmitters, and Veracity LONGSPAN mounts 24 channels in 1U of rack space. The AMG Systems AMG140-1GR fits a DIN rail or a wall, and Nitek bundles ending -W1 add a weatherproof enclosure, such as the WP1325 with the ER1500C-W1.

Brands we stock in PoE Extenders

AMG Systems, Axis Communications, CIE Group, Comelit PAC, Comnet, D-Link, Dahua Technology, Genie, Hikvision, Nitek, NVT Phybridge, TRENDnet and Veracity.

Related categories

Power the head end from PoE switches or PoE injectors and splitters, run new links in Ethernet cables or network and data cable, check the existing coaxial cable, or go beyond copper with fibre media converters. See also Veracity Extender.

Frequently asked questions

Does an Ethernet extender reduce speed?

Yes, some can, depending on the type of extender and the length of the run. In-line repeaters usually keep the full speed of the link, while long-reach extenders over coax or a single twisted pair often trade speed for distance, so the data rate falls as the run gets longer. Check the rated speed at your cable length. The range here includes gigabit repeaters and long-reach coax extenders.

What is an Ethernet extender?

An Ethernet extender is a device that carries a network link, and often PoE power, further than a standard Ethernet cable can reach. Some are in-line repeaters on twisted pair, while others work in pairs to send Ethernet over coax or a single pair of wires. They are often used to reach distant IP cameras. The range here includes repeaters, coax extender kits and rack-mount receivers.

Why buy from West Midlands Electrics

  • Established 1975
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Written by the West Midlands Electrics technical team

Updated