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