Description
An RJ45 jointer (also called an RJ45 coupler, LAN joiner, or Ethernet inline coupler) is a small device used to connect two RJ45-terminated Ethernet cables together so they function as one longer cable.
An RJ45 jointer is a compact inline connector with female-to-female RJ45 ports on both sides. It allows extension of Cat5e, Cat6, or Cat7 network cables without cutting or crimping. The housing is usually made of durable ABS plastic with shielded nickel-plated contacts for reliable signal transmission.
Key Features
8-pin / 8-contact (8P8C) RJ45 interface
Female-to-Female inline connection
Supports Fast Ethernet & Gigabit (10/100/1000 Mbps)
Compatible with Cat5 / Cat5e / Cat6 cables
Tool-free — plug-and-play cable extension
Often available in unshielded (UTP) and shielded (STP) versions
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