FOURSTAR Bluetooth serial port adapter wireless communication distance measured data
Addtime:2009-7-27 17:21:07 Hits:7933

Deyang FOURSTAR electronic technology Co., Ltd.  

 2009-7-2 

       Test data applies to all of the Fourstar electronic products such as Bluetooth serial port: FS-BT485A 、 FS-BT-SC09 、 FS-BT-PPI 、 FS-BT-MPI etc.,

       Test is in open zone environments, will be two Bluetooth string is proper to go together with the machine connection notebook string of, put into two top of sedans car ,use serial communication baud rate as software testing 115.2Kbps the transfer of data at the time. The following table is replaced when different sensitivity antenna measurement Bluetooth maximum wireless communication distance:

Antenna specifications

Bluetooth maximum distance, spacious zones of communication)

2.4 G, 3dB Rod antenna (standard)

400m

2.4 G, 9dB Rod antenna

800m

2.4 G, 9dB antenna

500m

 

      

Test environment to broaden areas will be two Bluetooth serial port adapter put into the top in sedans car

 

 

Bluetooth serial port adapter by the next book computer USB of power supply, with the 115.2 Kbps velocity double to deliver and don’t correct code

 

 

The standard device: 3dB Rod antenna, measured distance from the Bluetooth maximum communication (broaden) up to 400m

 

 

Select 9dB Rod antenna, measured distance from the Bluetooth maximum communication (broaden) up to 800m

 

 

 

Select 9dB antenna, the measured distance from the Bluetooth maximum communication (broaden) up to 600 m

 

 

Indoors or have a barrier of circumstances, the Bluetooth communication range has a larger decrease, the actual situation is complex, needs to be measured according to a live environment.

Actual application should reduce barrier, maximize pairing two Bluetooth module

Mutual “can see” visible. As far as possible don't install a product metal in order to prevent signal inside the cabinet is shielded, can use electric cable blue tooth string is proper to go together with machine derivation of the gearing is in the cabinet outside, or use sucker antenna to arrive antenna derivation to outside in the cabinet.