Question No. 3: Given the uplink and downlink range of the GSM 1800 network. Find the number of frequency division duplex user channels for given user channel sizes, if the uplink and downlink are given as:        Network Number of duplex channels for 0.15MHz (150kHz)/ user channel Number of duplex channels for 0.1MHz (100kHz)/ user channel Number of duplex channels for 0.2MHz (200kHz)/ user channel Uplink [MHz] Downlink [MHz] GSM 1800 ? ? ? 1710-1785 1805-1880

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