重量（Kg）通常指每平方米屏体的重量（含电源、边框等），但不包括框架的重量。通讯距离（Communication distance）操作平台（电脑）与屏幕之间的距离。通常8芯网线传输不大于130米，光纤传输在500米—1300米。
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微波通讯距离 Communication Distance
无中继有效通讯距离 Effective communications repeater distance ; Repeater effective communication range ; Effective communication distance without repeater
近距离通讯 NFC ; Near Field Communication
远距离通讯 Telecommunication ; long haul
近距离通讯技术 Near Field Communication ; NFC
远距离通讯全套设备 remote communications complex
短距离通讯 shor-haul communication ; Dedicated Short Range Communication
距离通讯 dedicated short range communication
实验证明节点性能良好、通讯可靠，通讯距离较TI第一代产品有明显增大。
The experiment proved that the node is good in performance and the communication is reliable. The communication distance has increased obviously compared with the first generation ti product.
较国内广泛使用的RS485总线构成的通讯网络相比，具有通讯距离远、系统构成成本低的优点。
Compared with domestic general communication network made up of RS485 bus, it has merits of long communication distance and low system cost.
此类“近距离通讯”让电话可当作火车票与办公室通行证来用，那么用电话当家门钥匙或车钥匙也是顺理成章的事。
The same “near field communication” chips enable phones to be used as train tickets and office passes, so acting as front-door keys or car keys as well would not be a giant leap.
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