Denso Wave BHT300WB 사용자 설명서

 

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The BHT-300QWB supports Bluetooth

®

 wireless data communication. 

•

 If there are too many communications errors, first make sure that the BHT shall 

be directed at the target Bluetooth

®

 wireless communication equipment    such an 

access point because the 2.4 GHz band requires a more or less straight line path. 
Note also that the low-power radio waves have trouble passing through human 
bodies and other obstacles along that path. 

•

 The communication link will not operate properly in the vicinity of microwave 

ovens, industrial heaters, high-frequency medical equipment, wireless LAN- 
enabled devices, and other sources of radio waves in the 2.4 GHz band. 

•

 Electromagnetic noise from personal computers, refrigerators, and other home 

appliances can also interfere with link operation. 

•

 Environmental factors that can also interfere with link operation include large 

metallic objects, metallic dust, or metallic walls in the vicinity of the path and 
vibration at either end. 

 

To System Designers: 

•

 Before developing the application, make sure that the intended

environment is free of the interference factors above and thus actually 
capable of supporting link operation. 

•

 Assume that there will be communications failures requiring robust retry

capabilities in the software. 

•

 When introducing the BHT link operation into an environment where 

equipment using radio waves in the 2.4 GHz band operates or when 
introducing such equipment after the introduction of the BHT link
operation, be sure to confirm that the BHT radio link operates properly 
with all equipment being in operation beforehand. 

•

 If the environment of the radio communications system is changed after

the introduction (e.g., newly installed household appliances and
movement/addition of shelves or objects), then confirm that the radio link 
operates properly again before the actual use

.