KX-TCA 155
Range up to 50m indoors, 200m outdoors
10 hours talk time
120 hours standby
Access up to 1000 system speed dial numbers
Handsfree speakerphone
200 personal speed dial numbers
Caller ID
Message waiting indicator
Headset compatible
10 ringer melodies

KX-TCA 255
Features as the KX-TCA 155, plus:
16 hours talk time
300 hours standby
Vibrate function

KX-TDA 15 & 30 systems
For these systems, there's no extra costly DECT interface to install - simply plug a KX-TDA 0141 base station (cell station) directly into a digital extension port. Roaming distances can be increased easily with self-registering KXA-272 repeaters, to give:

KX-TDA 15:
Maximum 2 cell stations (providing 4ch)
Maximum 28 DECT handsets

KX-TDA 30:
Maximum 8 cell stations (providing 16ch)
Maximum 28 DECT handsets

KX-TDA 100 & 200 systems
DECT can either be connected directly into a digital extension port to give:

KX-TDA 100:
Maximum 16 cell stations
Maximum 128 DECT handsets

KX-TDA 200:
Maximum 32 cell stations
Maximum 128 DECT handsets

Or alternatively install a dedicated card:

0142 card - KX-TDA DECT cell station (see above for system capacity)
0143 card - enables usres to add up to 4 cell stations with up to 64 DECT handsets; or
0144 card - gives up to 8 cell stations with up to 64 DECT handsets. Up to a maximum of 2 can be installed in a KX-TDA 100 and 4 in a KX-TDA 200.