Although requested 802.11n, is not a confirmed technology for outdoor mesh for several obvious reasons. First, multipath is the method of transport choice for 11n. In large outdoor environments multipath is less of an issue and thus less of a transport medium. Second, current 1520 technology is designed around 5ghz as backhaul. I know, you can use 2.4 but it not recommended and was not designed to operate in that manor. Third and finally, the radios as designed today, do the backhaul routing through Adaptive Wireless Protocols. I suspect that there will be several modifications required for this to work with 11n. 11n is very valuable in areas of multipath and where signal stability needs to be enhanced. This simply isn't the case outdoors. With the 1520 series you get most of the layer 1 enhancements that MiMO has to offer. Maximal Ratio Combining diversity being the most important. Since there is little or no multipath, spatial multiplexing is not very effective. You might gain some throughput on packet aggregation, but again, it would require a rework of the AWP backhaul. Will you see 11n in the future? Probably so. Afterall, we have to keep up with the Jones'. Will it be a great advancement for outdoor mesh...NAH. Look to 802.16e as the next big thing for the 1500 series. Long range backhaul modules will eliminate RAP cabling and fiber requirements making large MESH projects economically feasible. If you need advice on this just give me a call Jason. I'll assist you as much as I can. You do know that you need the MESH ATP to be able to sell and deploy 1500 series APs right?
