Upload
kiran-jonnalagadda
View
289
Download
0
Tags:
Embed Size (px)
DESCRIPTION
Some photos from AirJaldi's long distance WiFi setup in Dharamsala, India.
Citation preview
AirJaldi Photo TourApril 30, 2008TCV, Mcleodganj, Dharamsala
AirJaldi’s NOCThis plus two computers, all in an attic; 4 kVA UPS backup; 2000 nodes & 10,000 users; about 2 lakhs
Tibetan Children’s Village; Michael Ginguld, CEOAirJaldi is located at the TCV in Upper Dharamsala; AirJaldi’s founders are from Israel
Antennas: Directional and Yagi (in a box)For long distance and wide angle coverage
Left: Directional; Right: Two Types of OmnidirectionalOmni antennas have 360˚ coverage but along a flat plane; about 2 km range
Panel Antennas: Israeli military design and Indian copyPanel antennas are good for wide angle coverage
Router Pile“Where old Linksys routers come from around the world to die.”
They don’t use Linksys routers anymore because they have a single radio and can’t do duplex communication, which slows traffic for a large network.
Custom Router Box Design with Two Radio CircuitWeatherproof, easy to maintain when up a pole, single ethernet cable that also carries power
Neighbourhood ATM with VSAT cagePunjab National Bank ATM near the NOC; AirJaldi is not involved with this