If you mean a dish reflector that can held a SXT in its focus (like an LNB) yes you will probably get higher signal or more distance. But you have to remember that an A5 AP is actually 4 small sector antennas. At short distance even the sector (print, look for some pictures of the interior design) facing away from your client could still pick some signal or via multipath bounce signal. The CPE always needs 2 chains for the highest data throughput and in reality at short distance this is almost always achievable.
But put now an antenne at distance, even with a reflector the change of the AP can uses two of its four chains is still less so still less change for a 2 chain mimo connection. And you know that two chains theoratically give you double the throughput as a signle chain usage.
Personally I think at distances over 500, maybe 700 meters you’d better start to work with A5c’s and sectors.
Much more expensive yes, but at least always 2 chains (or 4 if choosen the special designed 4x4 antennas) in the same direction.
Yes, I am using 80Mhz channel now.
I did not find problems in mixing SXT-ac’s with SXT-n’s but with the ‘n’ models the 80Mhz is not possible. It will still connect to AP working in 80Mhz but only in 40Mhz mode.
And the CPU of the ‘older’ ‘n’ type is not half as potent as the newer SXT-ac’s. When you want to deliver high througputs you’d better have potens CPE’s too…special when you are still working with the csma + RTS/CTS protocol.
Also, the new chipsets for ‘ac’ are just better then the ‘older’ ones for ‘n’. And the protocol itself also saw improvements. (Like in channel interference avoidances. Read online info about the protocol)
We’ve had no problems running up to 65 clients on one AP in csma mode (Mimosa calls that ‘interop’ mode). But then again, most clients are on a 20Mb package only and even that is rarely used. But I could test with 50-60mbs to clients in 40Mhz channel.
Latency is fine, I’d presume. It was able to deliver streaming IPTV without too much buffers and that like stable ping. But we don’t have a lot of gamers that always want the lowest ping possible and on our network we hardly use VOIP. So I don’t know.
The performance difference between a SXT-ac and a C5 I don’t really know. The ROS is off course miles better than the web based OS of the Mimosa but ok. You also don’t need all the stuff.
The SXT’s are only 12dBi I believe whereas the C5 are 18 or so? At least more gain thus stronger signal and better ‘hearing’. The radio’s are only 24dBm on the C5’s where the STX’s are either 27 or 31dBm depending on model. But power is not usually the solution…
The C5’s are shielded and that should give them a good advantage over the SXT’s which are not.
But most important, the C5’s can work in the SRS (=propietary tdma of Mimosa) mode and the moment we switched our C5’s from ‘interop’ towards ‘SRS’ we saw an inmediate improvement of signals and lower error level.
We now have one AP with 44 (the limit!) C5’s in full SRS mode working. Last night I already tried a second A5 with 32 C5’s (it still has 20 SXT’s on it that we need to change) in SRS mode in the same frequency as the first, with the same 80Mhz channel and I did not see any worsening of the first AP’s signals (only 300 meters away!) and the signals of the second A5’s clients all improved too!
I had to switch back to get these SXT back on line but I am dying to have all these SXT’s replaced so we can start making proper tests on the two adjacent A5’ networks. I am planning to put 50 and 100Mb to my clients… let’s see