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nRF24L01 802.15.4 compatibility

  • Does a wireless-N (802.11n) network have poor performance when in b/g "mixed" mode?May 29

    It seems to be an "old" wives tale that, when using a wireless-N router in "mixed mode" to support legacy 802.11b or 802.11g devices, the performance of 802.11n clients will suffer. Some places claim that when running in mixed-mode, al

  • WiFi - Slow transfer speeds in high density area December 2

    I am using 802.11g in my apartment block. There must be many tens of WiFi networks that my laptop detects. My issue here is that my transfer speed over my WiFi network is topped to 1 MB/s... O_O !! I think this may be caused by the interference with

  • Adding Wifi+ Micro-controller to a device in an economical but production-able wayOctober 18

    Is it possible to reliably and economically add Wifi+ Micro-controller(for very simple logic and GPIO) to a non-moving device? I see some wifi soc in the market too. are these a viable options? I am hoping that the wifi+logic won't cost more than 5$

  • Can NRF24L01 use IEEE 802.15.4 and 6LoWPAN protocol?November 4

    I'm new to embedded systems and wireless sensor networks. I want to make a wireless sensor network which is based on 6LoWPAN protocol for monitoring application. As stated on Wikipedia, 6LoWPAN runs over IEEE 802.15.4 protocol. What I want to know ar

  • Compatibility of 802.11a/b/g with 802.11nOctober 7

    The specs on my tablet device says Wi-Fi 802.11b/g and I'm about to buy a new wireless router with specs that say the following about its WiFi version, and nothing else: Wireless-N, 2.4 GHz Will my 802.11b/g tablet be able to connect to my soon-to-be

  • 802.11n wlan card 5ghz router compatabilityMay 23

    I have a question about 802.11n wlan cards in general: if they support 802.11n radio types, shouldn't they be able to connect to 802.11n 5ghz bands transmitted by routers? I read into this online, and I learned that the 802.11a radio type must be sup

  • Wireless NRF24L01 chip compatibilityMay 3

    I have ordered a set of transceiver with NRF24L01 from various vendors. (with and without external antenna) http://www.ebay.com/itm/NRF24L01-PA-LNA-SMA-Antenna-Wireless-Transceiver-communication-module-2-4G-1100m-/310651702557?pt=LH_DefaultDomain_0&h

  • Does IEEE 802.11ac imply Wi-Fi Direct compatibility?June 29

    Since IEEE 802.11ac is a new thing heavily marketed by Intel, I wonder if it supports Wi-Fi Direct? My question is about standards overlap: is Wi-Fi Direct a subset of IEEE 802.11ac? --------------Solutions------------- The answer is no, the two are

  • 802.11g USB wireless adapter with Linux AP supportJuly 15

    Are there any USB wireless adapters out there that support 802.11g in AP mode under Linux? Binary drivers are a no-go, as I plan to use it with an ARM device. Support for WPA would be very desirable as well. --------------Solutions------------- Try a

  • Ubuntu hardware compatabilitySeptember 23

    I have only previously played with ubuntu using virtual machines with VMware Fusion. So everything just sort of worked. I've never had to install any drivers. I'm considering putting it on some real hardware and using it as a media center. What shoul

  • Are there any differences between the 802.11n final and draft specifications?June 8

    There is a lot of wireless networking equipment available that claim to follow either the 802.11n final specification or, alternatively, (one of) its draft versions. Are there any appreciable differences in functionality between the final and draft 2

  • Why is my 802.11n wireless bridge (WAY) slower than my 802.11g wireless bridge?December 11

    I bought a ZyXEL WAP3205 Wireless N Ethernet Bridge to replace my Buffalo Airstation WLI-TX4-G54HP Wireless G Ethernet Bridge. I have a Linksys WRT610N Wireless N Router. With the Buffalo bridge, I was getting around 3.0 MB /sec transfer rates. With

  • Working USB wifi 802.11n 5GHz network adapter in Ubuntu?May 14

    Does anybody have a personal recommendation for a USB wifi network adapter that: has decent Linux drivers supports 802.11n speeds will connect to a wifi signal in the 5GHz band? I've spent some time in google, the Ubuntu hardware compatibility pages

  • 802.1X: What EXACTLY is it regarding WPA and EAP?January 1

    I understand 802.1X to be some sort of port authentication control. However, when I was checking out the encryption settings for my wireless I found 802.1X in a drop down along with WPA2, WPA and WEP, but I don't see how it can be an alternative for

  • Need some clarification about the 802.11n standardMay 11

    I'm really confused about 802.11n. 802.11n provides support for dual band (2.4 & 5 GHz), is much faster, and gives greater range, since it uses MIMO technology (multi antenna multiple radio chains), but my questions are these: I heard that it can pro

  • Can I use 802.3at PoE clients in a 802.3af PoE switch?July 18

    I am about to buy and install a 802.3af PoE switch (probably a NETGEAR ProSafe FS728TP) that will power some Arduinos with PoE ethernet shields that is also 802.3af. How future safe is this? Let's say that I in the future would like to install some s

  • Slow 802.11n on custom-built routerMarch 19

    I have custom-built router, based on Intel D510MO motherboard with Slackware 13.37 on it. I'm using hostapd-2.0 and iptables to make it act as a router. Client is a laptop with Windows 7 on it. Both router and laptop have Atheros AR5BXB72 mini pci-e

  • Slow file transfer on network between two 802.11n laptops (connected directly together via access point)

    Slow file transfer on network between two 802.11n laptops (connected directly together via access point)May 5

    Me and my friend have both two exact the same laptops, bought from the same shop at the same day and I decided one day to go wireless because I forgot my ethernet cable to the LAN party (with a few other laptops but this question will be specifically

  • Any advantage to disabling or turning off network bands 802.11a / 802.11b / 802.11gJuly 31

    Product reference: DLink DSL-2890AL I am interested in what gains can be attained by disabling the following network bands. In particular performance and power consumption. 802.11a / 802.11b / 802.11g. I am well aware that disabling those bands would

  • Specify which protocol (802.11 a, g, or n) a WiFi NIC should use when manufacturer has not provided a way to do thisSeptember 2

    I am using a wireless NIC, under Windows 7 as a software access point. It is fairly recent hardware and specifications indicate that it is compatible with 802.11a/g/n. I am deliberately not sharing the particular model because I am seeking answers th

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