land mobile service 中文意思是什麼
land mobile service
解釋
陸地行動業務-
Vpmn service is a service which allows group users to communicate with each other through abbreviated numbering or dedicated numbering plans over a private network of logic voice circuits, based on the public land mobile network ( plmn ) and the public fixed telephone network ( pstn )
虛擬專用移動網業務(以下簡稱為vpmn )是在公用陸地移動通信網( plmn )和公用固定電話網( pstn )上建立一個邏輯話路專用網,通過縮位撥號、專用編號計劃等方式使企業、集團用戶群內進行相互聯系的網路。 -
Land mobile service
陸地移動業務 -
Propagation characteristics in land mobile service and fixed service. part 1 : propagation characteristics in land mobile service
陸地移動業務和固定業務傳播特性第1部分:陸地移動業務傳播特性 -
Propagation characteristics in land mobile service and fixed service. part 3 : propagation characteristics ofline - of - sight radio relay communication systems
陸地移動業務和固定業務傳播特性第三部分:視距微波接力通信系統傳播特性 -
Propagation characteristics in land mobile service and fixed service. part 2 : propagation characteristics for the terrestrial fixed service in 100 - 1000 mhz
陸地移動業務和固定業務傳播特性第2部分: 100 - 1000mhz頻段固定業務傳播特性 -
Radio equipment and systems. land mobile service. technical characteristics and test conditions for radio equipment transmitting signals to initiate a specific reponse in the receiver
無線電設備和系統.地面移動設備.傳遞信號引起接收器應答的無線電設備的技術特點和試驗條件 -
Radio equipment and systems. land mobile service. technical characteristics and test conditions for radio equipment with an internal or external rf connector intended primarily for analogue speech
無線電設備和系統.地面移動業務.最初用於模擬語言的帶內部或外部rf連接器的無線電設備技術特性和試驗條件 -
Land mobile - satellite service
陸上行動衛星業務
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