# 6dB decrease in downlink RSSI 2.6.2 to 3.x **URL:** \ **Category:** ePMP\ **Created:** [November 9, 2016, 10:58pm UTC](https://community.cambiumnetworks.com/t/6db-decrease-in-downlink-rssi-2-6-2-to-3-x/48153 "2016-11-09T22:58:13Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Craig\_Wass](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/c/a88e57/32.png) [@Craig\_Wass](https://community.cambiumnetworks.com/u/Craig_Wass)\ **Post date:** [November 9, 2016, 10:58pm UTC](https://community.cambiumnetworks.com/t/6db-decrease-in-downlink-rssi-2-6-2-to-3-x/48153/1 "2016-11-09T22:58:13Z")
We have AP's running 3.0.1 and 3.1.  When we upgrade the SM's from 2.6.2 to either 3.0.1 or 3.1 we are seeing an approximate 6dB drop in received RSSI on that SM.  Has anyone else observed this?  Is it just reporting or an actual decrease from the AP? Thanks, Craig ---
**Author:** ![Daniel\_Gracia](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/d/f9ae1b/32.png) [@Daniel\_Gracia](https://community.cambiumnetworks.com/u/Daniel_Gracia)\ **Post date:** [November 10, 2016, 8:57am UTC](https://community.cambiumnetworks.com/t/6db-decrease-in-downlink-rssi-2-6-2-to-3-x/48153/2 "2016-11-10T08:57:43Z")
You may find this topic related: [http://community.cambiumnetworks.com/t5/ePMP-2000-and-1000/RSSI-lower-level-starting-from-firmware-3-0/m-p/60260#U60260](https://community.cambiumnetworks.com/t/rssi-lower-level-starting-from-firmware-3-0/47548) Regards! ---
**Author:** ![Craig\_Wass](https://d10gw3vjmzyp8.cloudfront.net/letter_avatar_proxy/v4/letter/c/a88e57/32.png) [@Craig\_Wass](https://community.cambiumnetworks.com/u/Craig_Wass)\ **Post date:** [November 10, 2016, 4:38pm UTC](https://community.cambiumnetworks.com/t/6db-decrease-in-downlink-rssi-2-6-2-to-3-x/48153/3 "2016-11-10T16:38:39Z")
Thanks Daniel - not sure how I missed that...