Andy, > Thanks for the info, but 1200 bucks?
Yeah... they are carrier grade built, die cast aluminum enclosure, mountable direct on the mast behind the antenna, etc Worth the money but only if you realy need it. > Are there any bridges that automatically adjust themselves for longer > slot times? for maybe less cost? There is always Karlnet that actually uses Proxim (Lucent) gear and reflash their own OS that does a bit more than what you want but I am not sure you want to jump in that game. > This is a versin 2.2 of the wap11, the TI chipset, not the atmel (v2.6). > Would be less costly to get two version 2.6 wap11 and flash firmware. > ...What firmware version? We will know when they release it I guess :-) -Dimitri > On Fri, 4 Jul 2003, Dimitrios Sidiropoulos wrote: > >> Andy, >> >> BreezeNET DS.11 by Alvarion will do that for you. >> IDU/ODU, PoE, High Power up to 26dB (aprox 500mw), Adjustable Tx out all >> the way down to -4dB. You can use that pupy with a 24 dB Grid dish and >> be >> legal even in the 100mw EIRP places like ETSI regulated countries. >> Street prices about $1200 per unit though. >> >> What version is your WAP11 ? I know Atmel will release a f/w that allows >> you to enable short/medium/long links timing. >> >> Dimitri >> >> http://www.vernet.gr >> >> > Andy Barlak> >> > >> > The wap11 link I run has poor performance due to a preset ack window >> > of 20 microseconds. This causes many retries on each packet sent, >> filling >> > the medium with retries, penalizing performance. >> > >> > The link is 7km, or 47 microseconds in round trip time, exceeding the >> > 20 microsecond window and causing retries. I need to have a bridge >> with >> > a configurable "ack window". >> > >> > What would be an AP/bridge with such a configuable parameter? >> > I found a manual for a Fedtech Communication FW2001BRS / FW2001BRC >> > http://www.wireless.net.tw/fedtechbridgemanual.htm >> > >> > "ACK window >> > This is the waiting time for the acknowledgement, again expressed in >> slot >> > time. 1 unit is 1slot time (roundtrip) and represents 3 km. Increase >> this >> > number for large distances. 2 represents 6 km, 3 represents 9 km etc. >> It >> > will not harm the link if the ACK window is larger than the >> corresponding >> > distance. To fine tune the throughput, increase the number, measure >> the >> > throughput, and then start to decrease the ACK window while monitoring >> the >> > throughput." >> > >> > The company seem lacking in retailers. >> > >> > Anyone using a bridge/AP with the ack window configurable? >> > what models? >> > >> > ------------------------------------------------------------------------------- >> > Andy Barlak >> > >> > On my desk I have a work station. Trains stop at train stations. >> > >> > >> > -- >> > general wireless list, a bawug thing <http://www.bawug.org/> >> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless >> > >> > > ------------------------------------------------------------------------------- > Andy Barlak > > On my desk I have a work station. Trains stop at train stations. > > > -- > general wireless list, a bawug thing <http://www.bawug.org/> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless > -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
