Karels Node
Hardware
Linksys wireless router, aluminium enclosure, 2m mast and wall bracket.
Firmware
Freifunk. This needs to be swapped to OpenWRT as the IPSec implementation only works with OpenWRT.
Antenna
A 12dBi Yagi antenna on a 2m stainless steel pole mounted on the roof of the house and supported with 2 wires for stability.