OID_802_11_RSSI vs OID_802_11_BSSID_LIST

From: A. Arias (anonymous_at_discussions.microsoft.com)
Date: 03/02/04 

Date: Tue, 2 Mar 2004 07:46:07 -0800

Hello,

I'm using these two objects "OID_802_11_RSSI" and "OID_802_11_BSSID_LIST" in order to read the received signal strength from my NIC (D-Link AirPlus DWLG650+).

When I use the first one (RSSI) I get the signal strength in dBm from the access point that I am connected with. This value is reasonable (-45dBm, -50dBm, -60dBm....). But when I use the second one (BSSID_LIST) I get the macs of each access point in the WiFi area correctly but the value of the received signal strength is impossible (120, 100, 90....). It is said in the OID specifications that the returned value is dBm but it is not possible to receive 120 dBm!!!!

Reading some previous posts I've found one called "How to convert RSSI (dbm) to Percentage?" where it is said:

>> There is a table to represent the dBm value of each vendor. For
>> example:
>> RSSI = -70dBm is equivalent to RSSI = 20 in "Conversion for Symbol".

So I thought about the possibility of any conversion but the relationship between the signal strengh of both parameters is not linear...

Anyone can help me to find out what are the units of OID_802_11_BSSID_LIST->RSSI parameter?

Thank you.

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