according ar9331 datasheet, if we can't use HT40 it means we can't achieve 150 Mbps data rate and only use data rate from legacy (b/g). it is right ?
thanks for you link but I don't know if on this atheros chip is wired for only one antenna but this link is interesting (http://www.spinics.net/lists/linux-wireless/msg93735.html). If we look pcb from mr3020 we can see that there is (maybe) 3 ground antenna connected to J1, J4 and J2. can we use it ? > 802.11n operation with a single antenna is still possible, i.e. higher data > rates. Just the spatial and frequency multiplexing aren't available (hence > HT20 only). > Here is more info about the PCB inside those TP-Link travel routers, for > illustration. You can see photos of the MR3020 PCB with pads for a second > antenna, but no parts populated. > http://blog.eikeland.se/2012/09/15/better-wr703n-antenna-mod/ > <http://blog.eikeland.se/2012/09/15/better-wr703n-antenna-mod/>> > https://apollo.open-resource.org/lab:argus#modifications > <https://apollo.open-resource.org/lab:argus#modifications> > On Fri, Nov 20, 2015 at 4:01 AM, Asriadi N <riyadi08 at gmail.com > <https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users>> wrote: >* if this device can only HT20 modes, it means this device can't operate at >802.11n mode with higher data rate? *>>* I found that carambola using same SoC but it looks can use HT40. http://r-ol.blogspot.co.id/2012/12/piratebox.html <http://r-ol.blogspot.co.id/2012/12/piratebox.html> *>>* CMIIW*
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