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03-18-2021 07:52 AM
The parts list for your notebook indicates that it comes with a Broadcom BCM43142 802.11 b/g/n 1x1 Wi-Fi and BlueTooth 4.0 M.2 combination WLAN adapter.
That probably means that there is only one wifi antenna wire connected to the Broadcom wifi card.
There is only one dual band AC wifi card you can upgrade to when your notebook only has one antenna wire, where both the wifi and bluetooth will work, and that is this one...
Realtek RTL8821CE 802.11 ac 1x1 WiFi + Bluetooth 4.2 Combo Adapter (MU-MIMO supported) HP part # L17365-005.
You can find this model on eBay, or Ali Express,
The card will have the same 72 MBPS throughput as the original wifi card on the 2.4 GHz wifi band, but on the 5.0 GHz wifi band, it will have a max throughput of 433 MBPS when you have an AC router with an excellent wifi signal strength.
Another forum member located in Malaysia bought the card from this seller...
Below is the link to the service manual, where you can find the wifi card removal and replacement procedure...
03-23-2021 02:29 AM - edited 03-23-2021 02:48 AM
i have just installed the wifi card and it does not have dual band. Performance and speed is still the same. Is there others that is dual band that is compatible with my laptop? Is these 2 compatible?
03-23-2021 06:50 AM
If you bought this card on the link you posted, it is definitely dual band.
All AC wifi cards are dual band.
Do you see the model RTL8821CE listed under the network adapters device manager category?
If so, you got the right card and it is dual band.
Did you install the latest wifi and bluetooth drivers for the card?
If not, you may want to.
I cannot recommend any other card because your notebook only has one antenna wire and none of the dual band cards will work right with only one antenna wire.
Here are several posts where you can see that the RTL8821CE is definitely a dual band AC card...
I think I have proved my point well enough...but I can find more if you insist.