MikroTik presents our new 802.11a/b/g miniPCI wireless card- R52H! It
supports 2.3-2.5GHz and 4.9-6.1Ghz frequency range. R52 has been
specially designed for high speed long range applications together with
RouterOS. Our customers reports 97km point-to-point and 22km
point-to-multipoint links achieved without any amplifiers- see
presentation http://wiki.mikrotik.com/wiki/MUM_2006_USA/Long_range