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6
KX-TPA65RU/KX-TPA65RUB
4 Technical Descriptions
4.1.
DECT Description
The frequency range of 1.88 GHz-1.90 GHz is used. Transmitting and receiving carrier between base unit and handset is same fre-
quency. Refer to.
quency. Refer to.
4.1.1.
TDD Frame Format (Full Slot)
4.1.2.
TDD Frame Format (Long Slot) for G.722 CODEC
4.1.3.
TDMA system
This system is the cycles of 1oms and has 12 physical duplex paths.
Maxmum duplex communication path is 8 in Full slot and 4 in Long slot because of securement of free slots for Hand over.
Maxmum duplex communication path is 8 in Full slot and 4 in Long slot because of securement of free slots for Hand over.
• 2-Handset Link
Traffic Bearer
A link is established between base unit and handset.
The state where duplex communication is performed.
Handset doesn't make up duplex in no free RF channels because of interference. (*1)
The state where duplex communication is performed.
Handset doesn't make up duplex in no free RF channels because of interference. (*1)
Dummy Bearer
Base unit sends Dummy-data to the all stand-by state handsets.
Handsets receive that data for synchronization and monitoring request from the base unit.
Base unit doesn't send Dummy bearer in no free RF channels because of interference. (*1)
Handsets receive that data for synchronization and monitoring request from the base unit.
Base unit doesn't send Dummy bearer in no free RF channels because of interference. (*1)
Note:
(*1) It is a feature under FCC 15 regulation and for interference avoidance.
In the case of checking RF parts, it is better in least interference condition.
A model in an FCC-unapplied area adopts too it and calls on best channel in air.
In the case of checking RF parts, it is better in least interference condition.
A model in an FCC-unapplied area adopts too it and calls on best channel in air.
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