Question: 1. (2 points) NMT-900 is a first generation cellular systems that operates in the 900 MHz band. It is uses analog FM modulation to

1. (2 points) NMT-900 is a first generation cellular systems that operates in the 900 MHz band. It is uses analog FM modulation to transmit voice signals. The system uses FDMA to support multiple voice calls. The uplink spectrum is 890 MHz - 915 MHz and the downlink spectrum is 935 MHz - 960 MHz. The bandwidth required for each voice call is 12.5 kHz. A. What is the duplexing scheme of this system? B. How many simultaneous calls can be supported in this system?

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