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RJ45 Inline Coupler - Female to Female Network Cable Joiner

£199
The RRP is the manufacturer's recommended retail price of the item.
Limited Stock
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Description

This RJ45 inline coupler joins two standard Ethernet cables end-to-end, providing a female-to-female connection that extends cable runs without re-terminating. The coupler accepts Cat5e, Cat6 and Cat6a cables with standard RJ45 plugs on both sides, maintaining signal integrity across the join for data rates up to 10Gbps depending on the cable grade used.

Designed for extending network cables in CCTV installations, home networks, and office data cabling where a single cable run falls short of the required distance, the coupler sits inline between two existing cables rather than requiring new terminations or patch panels. The shielded metal RJ45 ports reduce interference on runs carrying PoE (Power over Ethernet) traffic to IP cameras or access points.

The compact 37mm x 20mm x 20mm moulded plastic housing weighs 26g and can be tucged behind equipment racks, under desks, or inside cable management trays without adding bulk to the cable path. The black thermoplastic casing resists impact and the metal-shielded RJ45 sockets provide a firm click-fit connection that won't pull apart under light cable tension.

Specification
Product Net Weight (KG) 0.026
Product Gross Weight (KG) 0.026
Outer Gross Weight (KG) 0.26
Product Length (mm) 37
Product Width (mm) 20
Product Height (mm) 20
Outer Length (mm) 50
Outer Width (mm) 10
Outer Height (mm) 10
Downloads

Product Specification Sheet

Frequently Asked

What cable types does this coupler support?

The coupler accepts standard RJ45-terminated cables including Cat5e, Cat6 and Cat6a. The maximum data rate depends on the cable grade — Cat5e supports up to 1Gbps, Cat6 up to 10Gbps over shorter runs, and Cat6a up to 10Gbps over full 100m distances.

Does it support PoE (Power over Ethernet)?

Yes. The shielded RJ45 ports pass both data and power, so the coupler works with PoE, PoE+ and PoE++ devices such as IP cameras, access points and VoIP phones without signal degradation.

Will joining cables affect network speed?

Any inline join introduces a small amount of signal loss, but for runs under the maximum cable length (100m total including both cables and the coupler) the effect on speed is negligible for most applications. Avoid using multiple couplers in series on the same cable run.

Can it be used outdoors or in damp locations?

The coupler is not weatherproof or IP-rated. For outdoor or damp installations, house the coupler inside a weatherproof junction box or enclosure to protect it from moisture.

Shipping & Returns

Free worldwide delivery

Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

Returns

30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.

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    Description

    This RJ45 inline coupler joins two standard Ethernet cables end-to-end, providing a female-to-female connection that extends cable runs without re-terminating. The coupler accepts Cat5e, Cat6 and Cat6a cables with standard RJ45 plugs on both sides, maintaining signal integrity across the join for data rates up to 10Gbps depending on the cable grade used.

    Designed for extending network cables in CCTV installations, home networks, and office data cabling where a single cable run falls short of the required distance, the coupler sits inline between two existing cables rather than requiring new terminations or patch panels. The shielded metal RJ45 ports reduce interference on runs carrying PoE (Power over Ethernet) traffic to IP cameras or access points.

    The compact 37mm x 20mm x 20mm moulded plastic housing weighs 26g and can be tucged behind equipment racks, under desks, or inside cable management trays without adding bulk to the cable path. The black thermoplastic casing resists impact and the metal-shielded RJ45 sockets provide a firm click-fit connection that won't pull apart under light cable tension.

    Specification
    Product Net Weight (KG) 0.026
    Product Gross Weight (KG) 0.026
    Outer Gross Weight (KG) 0.26
    Product Length (mm) 37
    Product Width (mm) 20
    Product Height (mm) 20
    Outer Length (mm) 50
    Outer Width (mm) 10
    Outer Height (mm) 10
    Downloads

    Product Specification Sheet

    Frequently Asked

    What cable types does this coupler support?

    The coupler accepts standard RJ45-terminated cables including Cat5e, Cat6 and Cat6a. The maximum data rate depends on the cable grade — Cat5e supports up to 1Gbps, Cat6 up to 10Gbps over shorter runs, and Cat6a up to 10Gbps over full 100m distances.

    Does it support PoE (Power over Ethernet)?

    Yes. The shielded RJ45 ports pass both data and power, so the coupler works with PoE, PoE+ and PoE++ devices such as IP cameras, access points and VoIP phones without signal degradation.

    Will joining cables affect network speed?

    Any inline join introduces a small amount of signal loss, but for runs under the maximum cable length (100m total including both cables and the coupler) the effect on speed is negligible for most applications. Avoid using multiple couplers in series on the same cable run.

    Can it be used outdoors or in damp locations?

    The coupler is not weatherproof or IP-rated. For outdoor or damp installations, house the coupler inside a weatherproof junction box or enclosure to protect it from moisture.

    Shipping & Returns

    Free worldwide delivery

    Free worldwide delivery on all orders over £99. International orders for third-party brand products may be subject to an additional courier surcharge based on volumetric weight, particularly on larger lighting fixtures — if a surcharge applies, our team will email you with the amount before dispatch and you can proceed or cancel for a full refund. See full delivery terms.

    Returns

    30-day returns window from delivery. As all our products are electrical or lighting goods, returned items must be inspected and recertified by a qualified electrician before resale — the cost of this inspection (25–40% of the item value) is deducted from your refund. Customers pay return shipping. Made-to-order, special-order and clearance items cannot be returned. See full returns policy.