2.7 Connection of DECT Portable StationsInstallation Manual 1172.7 Connection of DECT Portable Stations2.7.1 OverviewThe following equipment is required to connect the wireless system:CS: Cell Station (KX-TDA0141CE)This unit determines the area covered by the wireless system. Up to 2 calls can be made at the same timethrough each CS.Note for users in EuropeThis Cell Station Unit for DECT is for connection to Panasonic PBXs in use in European countries.PS: DECT Portable Station (KX-TCA155/KX-TCA255/KX-TD7590/KX-TD7580)The KX-TDA30 can support up to 28 PSs. For more details about the PS, please refer to the PS OperatingInstructions.RF SpecificationCAUTION• The CS should be kept free of dust, moisture, high temperature (more than 40 ), low temperature(less than 0 ), and vibration, and should not be exposed to direct sunlight.• The CS should not be placed outdoors (use indoors).• The CS should not be placed near high-voltage equipment.• The CS should not be placed on a metal object.Item DescriptionRadio Access Method MultiCarrier TDMA-TDDFrequency Band 1880 MHz to 1900 MHz *1*1 KX-TDA30BX/KX-TDA30TW: 1880 MHz to 1895 MHzNumber of Carriers 10 *2*2 KX-TDA30BX/KX-TDA30TW: 8Carrier Spacing 1728 kHzBit Rate 1152 kbpsCarrier Multiplex TDMA, 24 (Tx12, Rx12) slots per frameFrame Length 10 msModulation Scheme GFSKRoll-off factor=0.5 50 % roll-off in the transmitterData Coding for Modulator Differential CodingVoice CODEC 32 kbps ADPCM (CCITT G.721)Transmission Output Average 10 mWPeak 250 mW˚C˚C
