Panasonic KX-TG9341T Service Manual - Page 7
Technical Descriptions - dect
UPC - 037988479504
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4 Technical Descriptions KX-TG9341T/KX-TG9342T/KX-TG9343S/KX-TG9343T/KX-TG9344T/KX-TGA931S/KX-TGA931T 4.1. US-DECT Description The frequency range of 1.92 GHz-1.93 GHz is used. Transmitting and receiving carrier between base unit and handset is same frequency. Refer to Frequency Table (P.77). 4.1.1. TDD Frame Format 4.1.2. TDMA system This system is the cycles of 10 ms, and has 6 duplex paths, but maximum duplex communication path is 5 because of dummy bearer use. In 1 slot 417 µs, the 10 ms of voice data is transmitted. • 2 - Handsets 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) 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) 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. 7