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Hi DarioTo answer your questions, at least in part:1. It is difficult to provide hard numbers for capacity on a mesh, as there are many factors that come into play.You really have to look at the fundamentals of the technology to decide whether it is suitable for your application.The wifi technology was fundamentally designed for small local networks, eg with 802.11g operating at 2.4GHz with a theoretical maximum speed of 54Mbps between two devices. Various enhancements have been made over time, most notably 802.11a/n operating at 5GHz which offers more bandwidth, albeit at the expense of range due to the propagation characteristics.Using mesh techniques like batman-adv simply spreads that fundamental capability around a greater number of devices, and the bandwidth and data processing capability of the nodes has to be shared.In the most of the current SECN devices, including the MP2, we use a device with a single radio to implement two wifi interfaces - Access Point for connected clients and Ad Hoc for the mesh. This again splits the capacity of the node.We are currently working on a dual radio MP device which will allow full capacity on each interface and operation on 5GHz band.You can use devices like the TP Link WDR4300 to do this already with SECN firmware, or use plug in USB wifi devices with some limitations.The SECN firmware is intended to provide a Small Enterprise Campus Network. An example would be to provide a simple wireless network for a school in a rural / remote area, where there is a central node and a number of secondary nodes in classrooms, with one, or perhaps two, network hops in between. With this arrangement it is possible to get reasonable performance for local networking around the school and to share a common internet access point at the central node. But it can't scale to accommodate every student in the school streaming video content!I think you mentioned that you wanted to network 15 MP nodes to each central node, which is not unreasonable.But the question is what is connected to each MP? Is it a small number of devices eg a couple of computers in a household? And what sort of data usage is anticipated?If users want to stream video, then it is not going to work well.Is there any telephony requirement?Keep in mind that there is no magic - SECN firmware is simply OpenWrt running batman-adv mesh software, and Asterisk telephony software.The SECN firmware provides nothing at run time - it is simply a user interface to configure the underlying packages.Any network you build will be constrained by the capabilities of the devices you use and the OpenWrt software running on them.2. We plan to provide SECN upgrades to coincide with stable releases of OpenWrt. SECN 2 is based on OpenWrt Attitude Adjustment and SECN 3 is based on OpenWrt Barrier Breaker.In addition there will be functional enhancements from time to time as the opportunity arises eg around new hardware devices.This is an open source community project, so it is driven by the user community.3. We do not currently provide SECN firmware for the TP-LINK TL-WA5210G and TL-WA7210N.The WA5210 is based on the older AR2315 chipset and has very limited memory.The WA7210 is not listed as supported in OpenWrtThe WA7510 is listed as supported and could be used. It is a 5GHz only outdoor AP node, but has limited memory (4MB Flash, 32MB RAM).I hope this helps.RegardsTerry
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