?18? ?????(wireless PBX)???????(Wireless Local Loop)

1
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• ?18? ?????(wireless PBX)???????(Wireless Local
  Loop)

2
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• ?????(wireless PBX)??? ?
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• ??????(Wireless Local Loop) ??? ?
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• ?????????????????????? ?

3
PBX?????
4
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5
?????(wireless PBX)

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6
?????SOHO??????
7
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8
??????(Wireless Local Loop)???
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TR-45??????????
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WLL????????

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• ??????
• ???PCS
• ???(microcellular)??
• ??????(fixed wireless access)