Editorial Review:Product Description:The DUALjack is a wireless extension of the telephone jack and plugs into any standard power outlet. The DUALjack has a built-in feature to ensure that voice calls initiated from any telephone in the house are given priority over modem/data calls initiated via a DUALjack Extension unit. The Intercom capability is useful in situations where there are two or more Extension units in the house. The Intercom function is disabled when any Extension unit is engaged in a call with the outside telephone line. If a telephone attached to an Extension unit is engaged in a voice call with the outside telephone line, a barge-in tone will be heard on that phone when a second Extension unit goes off-hook. Up to two Extension units can be joined together with the outside line at any one time. Energy efficient design saves electricity DUALjack works with - Corded&Cordless Phones, Answering Machines, Fax Machines, PC Modems, Digital Video Recorder / Tivo, Satelite/DirectTV/Dish, VoIP Adapters DUALjack is compatible with - Caller ID, Call waiting, 3-way calling, Conference calling, Speed dialing
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Customer Reviews
Average Rating:
-
DualJack Comes Through
When a client called to run a phone line from her basement to her home office through a stone wall, I blanched. The work required to run the line exceeded my initial cost estimates by several times. Searching online for an alternative, I came across DualJack and was impressed by the overwhelmingly positive response it garnered from users.
Once installed - and working properly (the dip switches had to be set precisely for the brand of phone being used) - the noise level on the line was no worse than you'd expect from a long line length. Only the faintest hiss could be heard in the background, and was entirely undetectable during a phone call.
I highly recommend the DualJack - it comes through with flying colors.
Rating: 
-
Works like a champ - doesn't like the FAX machine, though
I bought the Dual Jack after reading all of the reviews, and have to echo them all!
The most time was taken opening the horrid plastic that all products ship in today -- that really rigid plastic that you can't seem to open with a steak knife or kitchen shears without cutting your finger off.
Setting that aside, once opened, they are basically plug and play.
I am using the cords supplied by the manufacturer, and my FAX modem doesn't seem to like the set-up. I would mess about with other cords but I ended up getting a guy from Comcast out here for $20 to install a new 16MB highspeed line and figure who cares at that point...
Rating: -
Works as described
Even in rough RF environments the phone line extender works. Used as a fax line extender in a multi story building. No complaints. Setup is easy.
Rating: -
Works exactly as advertised. Voice quality slightly low
This works exactly as advertised. Unlike those AWFUL things that say they use your house wiring. Those are nonstarters.
I used it to hook up a fax machine in a room without outlets. The base unit is only about 50 feet away, so I don't know how much range the set has, but it transmits and receives with no errors and no dropped lines.
I was curious and checked voice quality, and it was slightly worse than normal, but I was checking it on a wireless phone, so it was two wireless connections in series -- not optimal.
But as far as connectivity and normal use, this thing does what it says it does. For me, it was worth the money.
Rating: 
-
Failed after 60 days - seller refused to honor warranty
I had a problem with the one I bought from BuyAccessories after about a month, so I contacted the retailer and manufacturer for warranty support -the device documentation says it comes with a one-year manufacturer warranty.
The manufacturer (RTX America) told me product was discontinued and they were no longer honoring the warranty. The retailer refuses to acknowledge my inquiries. I think buyers should be aware this is a liquidation item, no longer being produced, and it comes with no manufacturer's warranty, and absymal seller support.
