On 09/19/2014 02:53 PM, jd1008 issued this missive:
On 09/19/2014 01:14 PM, Heinz Diehl wrote:
On 19.09.2014, jd1008 wrote:
Bit Rate=72.2 Mb/s Tx-Power=15 dBm
So, reason I am asking is that I would like to increase Tx power to
30dBm
due to poor connectivity with the hotspot router.
There are two barriers:
1. the capability of your adapter
2. CRDA
For most countries, 2.4 GHz is limited to 15 dBm, so iwconfig won't
help. The only thing you can do is to check if your router has WMM
enabled for the 2.4 GHz band. If so, you have a chance that your
adapter can use HT/VHT (aka 802.11n/ac), which in turn allows a
slightly higher tx power (but quite sure not 30 dBm).
Btw: increased tx power also leads to increased noise. You should
consider other ways to improve the connectivity to your AP (miving it
closer, using a repeater...)
Thank you Heinz.
I am also looking for a card that has much higher Rx sensitivity
(i.e. can receive lower strength signals without problems).
Try to find a USB adapter with an external antenna. This is one and I
believe it works with Linux:
http://www.newegg.com/Product/Product.aspx?Item=N82E16833704045
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