5 review articles in this category branch, ordered by product demand and buyer signal strength.
The Phonex PX211-D Easy Jack 2 turns an AC outlet into an extra phone-line connection using a base unit and extension units. It’s designed for data-oriented uses like fax machines and satellite/DVR or dial-up style connections, and it may be noisy or unreliable for pure voice calling.
The GE TL86597 InstaJack adds a phone jack to another room without running new phone wiring. It uses your existing home wiring path, so it can be ideal for connecting a second landline location, fax machine, or answering setup, but it depends on outlet circuit/house wiring conditions and does not pass Caller ID to remote units.
The RCA RC930 is a wireless “base + extension” phone jack system that adds an extra telephone jack without running new wiring. It can pass caller ID and supports analog modem-style speeds up to 56 Kbps, but real-world reliability can be hit-or-miss due to interference and connection stability.
The Jasco GE 26191 duplex wall jack adapter is a simple way to add support for two modular phone accessories or a phone plus an accessory at a single wall jack location. It’s a straightforward, low-cost add-on, but it is not meant to function as a splitter from an existing telephone line cable, and color matching can be a hassle depending on what you receive.
The GE 96595 InstaJack is a plug-in solution for adding a phone jack in another room without wiring. It includes a base unit plus an extension unit (and surge suppression), and installs quickly, but buyer reports are mixed, with some users seeing static, audio clarity issues, or reliability problems for longer calls. Best for low-stakes, extra-jack needs where convenience matters more than carrier-grade call quality.