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Convert your standard modular plug to fit 4-prong phone jacks. This adapter from RadioShack plugs into an RJ14 jack and the gold contacts reduce line noise and static. [ more ]
$9.99
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On Sale Online only
Connect two telephone devices into one landline jack with this adapter. Gold-plated contacts reduce line noise and static. UL approved. Parts Warranty: 90 Days[ more ]
$4.00 $5.00
In Stock

4-Pin In-Line Coupler (White)

Catalog #: 2790013

4-Pin In-Line Coupler (White)

Catalog #: 2790013
On Sale Online only
Extend your phone line without replacing existing wires with this inline coupler. Connects two 4 conductor modular cords for phone extension Gold contacts reduce line nois...[ more ]
$4.50 $5.00
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6-Pin Coupler (White)

Catalog #: 2790007

6-Pin Coupler (White)

Catalog #: 2790007
On Sale Online only
Extend your phone line without replacing existing wires with this inline coupler. This convenient coupler accepts RJ-11/RJ-14/RJ-25 modular connections, so two separate co...[ more ]
$5.59 $7.99
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1-to-3 Adapter (White)

Catalog #: 2790435

1-to-3 Adapter (White)

Catalog #: 2790435
On Sale Online only
Utilize this adapter to meet your electronic needs. This 1-to-3 Jack Adapter lets you connect three communications devices (phone, answering machine, PC, Caller ID, etc.) ...[ more ]
$6.99 $9.99
In Stock

1-to-5 Adapter (White)

Catalog #: 2790012

1-to-5 Adapter (White)

Catalog #: 2790012
On Sale Online only
Connect up to five devices to one jack with this adapter from RadioShack. It features gold contacts to reduce line noise and static and has enough jacks to meet all of you...[ more ]
$11.19 $15.99
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On Sale Online only
Split a 2-line jack with this 3-way jack adapter from RadioShack. It can separate your lines into a first and second line and a combine first and second line. Also, it fea...[ more ]
$8.39 $11.99
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4-Pin 3-Way Coupler (White)

Catalog #: 2790011

4-Pin 3-Way Coupler (White)

Catalog #: 2790011
On Sale Online only
Connect two telephone devices with this 3-way coupler from RadioShack It works with one- or two-line connections (RJ-11 and RJ-14) Features gold-plated contacts to reduce ...[ more ]
$6.29 $8.99
In Stock
On Sale Online only
Connect two telephone devices into one jack with this adapter from RadioShack. Utilize this adapter to meet your telephone needs.[ more ]
$4.50 $7.00
Only 1 in stock