山西快乐十分开奖结果

FAQ

How to estimate the tag’s effective distance in real environment?
Date:2014-03-16Source:Royalray
The tag’s effective distance is a a combination result of the reader’s RF output power, receive sensitivity, S/N ratio and other environmental factors. Generally speaking, it is reasonable to take 75% to 80% of the effective distance in laboratory testing or in manual as an estimation.
山东11选5开奖 吉林快3 上海快3开奖 广东快乐十分 天津快乐十分开奖结果 河南快3走势图 四川快乐12走势图 江苏快三 云南快乐十分走势图 河南快3投注