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CDPD channel is _________

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in Wireless/Mobile by (138k points)
CDPD channel is _________

(a) Simplex

(b) Complex

(c) Duplex

(d) Expensive

I had been asked this question in quiz.

Question is taken from Wireless Data Services topic in portion Wireless Networking of Wireless/Mobile

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Right choice is (c) Duplex

For explanation I would say: Each CDPD channel is duplex in nature. The forward channel serves as a beacon and transmits data from the PSTN side of the network, while the reverse channel links all mobile users to the CDPD network and serves as the access channel for each subscriber.

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