Sure it would. We have some links reporting a SNR above 32db, enough to get 8x but are weaker than -56 signals. So both matter.
Joe > On Jul 28, 2017, at 11:44 AM, Chris Wright <[email protected]> wrote: > > Wouldn't SNR play a bigger role than general signal level? What good is > -67.8dBm if the noise floor is -75dBm? > > Chris Wright > Network Administrator > > > -----Original Message----- > From: Af [mailto:[email protected]] On Behalf Of Joe Falaschi > Sent: Friday, July 28, 2017 9:28 AM > To: [email protected] > Subject: [AFMUG] Cambium 450b specifications > > We’re looking at some questions of why certain links are at certain > modulations (uplink is better than downlink). It’s explained by the spec > sheet of the current equipment and RX sensitivity. Basically the 450M AP can > do more with less signal than the CPE can. Specs below. In any case we were > then wondering what the new 450b RX sensitivity would be. There is a spec > sheet on the Cambium website but this isn’t listed. Anyone have this > information? > > 450M AP RX sensitivity > 1x = - 93.5 dBm > 2x = -88.6 dBm > 4x = -81.5 dBm > 6x = -75.9.0 dBm > 8x = -67.8 dBm > > 450SM RX sensitivity > 1x = -84 dBm > 2x = -80.5 dBm > 4x = -74 dBm > 6x = -66.9 dBm > 8x = -56 dBm > > 450i SM RX sensitivity > 1x = -85.9 dBm > 2x = -81.5 dBm > 4x = -75.8 dBm > 6x = -69.3 dBm > 8x = -61.6 dBm > > Joe Falaschi > e-vergent >
