Yes, same antenna. I have installed AirBridges at 2mi, through trees, and gotten dBm readings of -13dBm. The POP site is 100mw Cisco APs with 16dbi sectors, no AMPs. It isn't possible to get a -13dBm signal level at that distance with the trees, and the EIRP of the POP site.
Jeremy On Sat, 26 Jul 2003, sB Tech Support wrote: > These values are close approximate to the actual values. We are trying > to have a better algorithm to indicate more accurate vales. BTW, do use > you the same 15dbi antenna on sB radio when comparing RSSI value? > > Alex > sB Tech Support > > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of > [EMAIL PROTECTED] > Sent: Saturday, July 26, 2003 1:25 AM > To: '[EMAIL PROTECTED]' > Subject: RE: [smartBridges] AirBridge dBm RSSI Readings > > > That is all fine and good, but when I plug a 15dbi antenna into my > PCMCIA card, and associate to a cell site, MAX dBm I will see is -55dBm > if I am VERY close to the tower. Now I throw in a SB radio, it shows > -10dBm. That is OBVIOUSLY not correct. > > On Sat, 26 Jul 2003, sB Tech Support wrote: > > > It is derived from base band processor. By default, the MAX_RSSI for > > smartBridges radios is 40 and is used for calculation of the Roaming > > threshold and other parameters in the operation of the channel. The > > different values are also used for RSSI in a relative manner for other > > > functions. For the purpose of representation, the MAX_RSSI is scaled > > as per the Radio to show a percentage value. In doing dBm conversion, > > the same would range from -95 dBm to -10 dBm. > > > > Alex > > sB Tech Support > > > > > > > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of > > [EMAIL PROTECTED] > > Sent: Saturday, July 26, 2003 12:06 AM > > To: '[EMAIL PROTECTED]' > > Subject: [smartBridges] AirBridge dBm RSSI Readings > > > > > > This may have been discussed before, but I missed it. Where the hell > > do the dBm numbers come from that are reported by the SmartBridges > > gear. There is NO WAY some of my links are operating at -17dBm. Anyone > > > from SB care to chime in here? > > > > Jeremy > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in > > > the body type unsubscribe smartBridges) > > Archives: http://archives.part-15.org > > > > The PART-15.ORG smartBridges Discussion List > > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > > smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in > > > the body type unsubscribe smartBridges) > > Archives: http://archives.part-15.org > > > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in > the body type unsubscribe smartBridges) > Archives: http://archives.part-15.org > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges > <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) > Archives: http://archives.part-15.org > The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
