RJ9/RJ10/RJ22 extension leads, can be used to extend RJ9/RJ10 & RJ22 cables. Supplied as curly handset style or or flat FCC-68 type cable.
RJ9/RJ10/RJ22 is the plug type most commonly used for the connection between the handset (or headset) & the telephone. These leads extend an existing cable without changing the wiring configuration. The curly lead length stated is when fully un-coiled.
RJ9/RJ10 & RJ22 are the SAME! RJ10 (4 way, 7mm wide)