I don't think Trango will be a good fit considering the 20-25 mile link distances, 18 Ghz. and the reduced tx power compared to others in the lower bands.
Travis Johnson wrote: > Take a look at the Trango GigaLink and APEX radios. They make both an > IDU/ODU and just an ODU option. > > We just installed the APEX 18ghz systems. At one location we used the > "fiber" option and it works great. You can contact them directly > (www.trangobroadband.com) or contact Charles @ CTI. They are selling the > 18ghz version with 2ft dishes for $9,995 right now (complete link). > > Travis > Microserv > > Paolo Di Francesco wrote: > >> Dear All, >> >> we are considering to move to licensed frequencies for back hauling and >> therefore some hints would be really appreciated. We are looking at 2 >> main manufacturers (Ceragon/Dragonwave) so the problem is "which one >> fits better for our needs"? >> >> Just to summarize: >> >> a) links are around 20-25 miles >> b) antennas: the smaller the better >> c) robustness is very important >> d) average life: 3 years >> >> >From what I have read in the data sheets I have done the following >> considerations: >> >> 1) Dragonwave Horizon is nice but only if your site is well protected >> from "sabotage and stealing". The "all outdoor" approach is nice but it >> has the drawback that if somebody takes the whole unit they will have a >> brand new unit working. With the IDU/ODU approach they will have only >> half of the "banknote", so after the first or second time, they will not >> spend time having something useless. >> 2) Dragonwave Horizon can be a problem if you don't use fiber from the >> unit down to your switch. In few words, we have sites with huge amount >> or EM fields, so even using shielded cables (e.g. Belden 1300A) we get >> only few ethernet megabits. So we should use fiber to go up the tower, >> but maybe be IDU/ODU approach is more robust (comments welcome). >> 3) All outdoor means that when you have to re-use the devices somewhere >> else, you have to buy a whole new thing instead of just swapping the ODU. >> 4) In any case the (all outdoor or IDU/ODU) when the tower is frozen >> (and when I mean frozen I mean a whole block of ice) then it does not >> change much, you have to wait the better season to work on that. >> 5) Performances look more or less the same. >> 6) I don't know much about prices, I have looked on some website, I am >> still exploring this aspect >> 7) Is anybody using the software-switch capabilities on this devices or >> just using them as transparent bridges for your router/switch? Do you >> need to reset them often? >> >> Comments are welcome. >> >> Am I missing some other good brand? >> >> Thank you. >> >> >> > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
