Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04W
WIRELESS COMMUNICATION NETWORKS
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4/00
Services specially adapted for wireless communication networks; Facilities therefor
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H04W4/06
Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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H04W4/10
Push-to-Talk [PTT] or Push-On-Call services
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