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Data acquisition / WLAN

 WLAN communication test at Aso
Report LINK
Photographs JPG(1), JPG(2), JPG(3)
 Wireless LAN
Specifications
Catalog PDF(in Japanese)
Modem : ADLINK540 (ADTEC)
Communication standard : ARIB STD-T66
Center frequancy : 2417MHz, 2432MHz, 2447MHz, 2462MHz
Data transmission rate : 11Mbps, 5.5Mbps, 2Mbps, 1Mbps
Effective radiation power : 10mW/MHz (w/o our improvement)
Service area : 800m (w/o our improvement)
Modulation demodulation system : DS-SS system
Information modulation system : CCK, QPSK, BPSK
 
Access control system : Poling by master unit
Type of antenna : Exclusive exterior antenna
Number of channels : 4
Exterior antenna terminal : TNC
Maximum number of connections : 1:15
Specifications in Japanese
Antenna : ADAF2414 Gain : 14dBi
(Plain antenna) Directional width : 30deg.
ADAS2409 Gain : 9dBi
(Collinear antenna) Directional width : 360deg.(hor.), 4deg.(ver.)
GP-D2422-3 Gain : 15dBi
(Collinear antenna / 3deg. tilt) Directional width : 360deg.(hor.)
Specifications in Japanese

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