Updated: 11/24/2005; 11:52:10 PM.

Wireless remote data
Technologies and sample systems that gather sensor data across distances, usually via radio links. This includes general telemetry and SCADA (supervisory control and data acquisition), especially for gathering data about wildlife, natural resources, and distributed energy systems.


daily link  Wednesday, July 09, 2003


Waverider:  Canadian maker of unlisenced 900 Mhz non-line-of-sight wireless gear.  For example, the LMS4000 has "Over-the-air data rate of 2.75 Mbps and access speeds of up to 2.0 Mbps; Operates in the 902 - 928 MHz license-exempt ISM frequency bands; Range of up to 2 miles with indoor antenna, up to 25 miles (40 km) with outdoor antenna."  2:34:17 PM  permalink  

vivato sells wifi "switches" that use phased array antenna technology to extend the reach of wifi to 1 km indoors and 4 km outdoors.  A typical unit is flat, 1m x 1.5m, $9000 indoors and $14000 outdoors.  "Subscriber" equipment is ordinary wifi.  In June 2003, they raised an additional $45m from VCs.  2:24:30 PM  permalink  

 
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Copyright 2005 © Ken Novak.
Last update: 11/24/2005; 11:52:10 PM.