It’s nice, and free and works in Windows and Mac. So easy.īTW – if you want to check what networks are around (it’s always better to choose a channel which is not overcrowded with your neighbours’ networks), I use NetSpot. #BCM4360 802.11AC WIRELESS NETWORK ADAPTER MANUAL#Switching to the manual channel setup, and choosing 40 worked like a charm. In my case ASUS router was set to “Auto” channel, which resulted in channel being set to 100. ![]() #BCM4360 802.11AC WIRELESS NETWORK ADAPTER HOW TO#How to list supported channels? sudo iwlist wlp2s0 freq You should see something like: wlp2s0 32 channels in total available frequencies : How to check what networks are visible to the card? sudo iw dev wlp2s0 scan | grep SSID The output may look like: SSID: Tech_D0058590 SSID: my_2_4_net SSID: 5GHz_Tech_D0058590 SSID: Orange_Swiatlowod_E0E0 #BCM4360 802.11AC WIRELESS NETWORK ADAPTER UPGRADE#It doesn’t feel like upgrade if you end up with slower network, does it? I was able to fix it by disabling 5G network and using 2.4, but that was not great. Unfortunately WiFi in my DIY home NAS stopped working. I ended up with an ASUS router, flashed the Merlin firmware and set up dual WAN (it seems to work, at least with my ISPs). So I decided to get a fiber, from another ISP and started looking for a new router, with dual WAN feature. Long story short: my connection was not stable anymore. As most of us I work from these days, and I was struggling with my ISP which was struggling with high demand and decided to upgrade routers, switches and who knows what else. All comands & output from Ubuntu Server 20.04Īfter a few years of using DLink DIR-868L ( which BTW looks kinda cool! more like a coffee grinder than a home router) I decided to upgrade my home network. ^ This is output of lspci -vv, just in case you want to check if we have the same card. Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR. and subsidiaries BCM4360 802.11ac Wireless Network AdapterĬontrol: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx. and subsidiaries BCM4360 802.11ac Wireless Network Adapter (rev 03) 02:00.0 Network controller: Broadcom Inc. This is what stopped my TP Link card talking to the ASUS router. ![]() So, 5GHz channels *might* be recruited automagically if the bandwidth is actually provided.TL DR If your 5G WiFi card stops working – make sure that your router is not running your network on a channel which is below (or over) your card’s supported frequencies. The modem is a TG797n v3, and thanks to the Whirlpool forum in Oz, has been restricted to 2.4GHz among other rapacious limitations (whacks forehead on desk). ![]() UPDATE: Ok so the modem isn't mine though it was purchased recently as part of a Telstra Fixed Wireless package (slaps forehead). So does anyone know of a method I could use to flexibly shift between 2.4 to 5Gz automatically, assign channels appropriate for the available signal strength? Or, some approach within existing Frisbee/SNS/Network Manager dialogs that I might have missed? The commandline approach looks a little all-or-none, but if there were easy scripts to insert in wpa_supplicant or elsewhere to enable the improved functionality, please feel free to suggest a solution (dear reader). I guess I don't *have* to shift from ad-hoc to infrastructure mode - like theĬode: Select all iwconfig wlan0 mode master command - if only that I wasn't using WPA/WPA2 as I think iwconfig is not useable in that instance. I could probably do something like tempestuous outlines here. So the obvious solution is "change the channel" to something like channel 60. ![]() Wlan0 32 channels in total available frequencies :
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