# Technology **URL:** https://community.cambiumnetworks.com/c/technology/61.md?page=3 [Latest](https://community.cambiumnetworks.com/latest.md) · [Categories](https://community.cambiumnetworks.com/categories.md) · [Tags](https://community.cambiumnetworks.com/tags.md) **Page:** 4 --- ## [Coexistence Spectrum Reuse ID](https://community.cambiumnetworks.com/t/coexistence-spectrum-reuse-id/78155)
**Author:** [@hci](https://community.cambiumnetworks.com/u/hci)\ **Replies:** 3\ **Last updated:** [May 5, 2021, 9:59pm UTC](https://community.cambiumnetworks.com/t/coexistence-spectrum-reuse-id/78155 "2021-05-05T21:59:56Z")
How is everyone using this setting? Do you set it unique for each site or for all sites have GroupA and GroupB to allow ABAB reuse? --- ## [After CBRS Multigrant conversion, some SM's constantly connecting and disconnecting](https://community.cambiumnetworks.com/t/after-cbrs-multigrant-conversion-some-sms-constantly-connecting-and-disconnecting/78073)
**Author:** [@jameth](https://community.cambiumnetworks.com/u/jameth)\ **Replies:** 2\ **Last updated:** [May 4, 2021, 6:10pm UTC](https://community.cambiumnetworks.com/t/after-cbrs-multigrant-conversion-some-sms-constantly-connecting-and-disconnecting/78073 "2021-05-04T18:10:43Z")
I have submitted a ticket on this, but was curious if anyone else here had any similar experiences. We got all our CBRS SM’s and AP’s on 20.2.1 beta and proceeded to convert all grants to multigrant. For the most part … --- ## [V20.2.1 (Beta) - stranding SM with V16 firmware?](https://community.cambiumnetworks.com/t/v20-2-1-beta-stranding-sm-with-v16-firmware/78193)
**Author:** [@nicksmpls](https://community.cambiumnetworks.com/u/nicksmpls)\ **Replies:** 1\ **Last updated:** [May 1, 2021, 2:22am UTC](https://community.cambiumnetworks.com/t/v20-2-1-beta-stranding-sm-with-v16-firmware/78193 "2021-05-01T02:22:07Z")
We have upgraded a number of AP to V20.2.1 (Beta1 or Beta2). We have some SM in the field which were not upgraded since the SM was off (owner on vacation or has been turned off for non-payment). Now we are having issu… --- ## [Template for changing the center frequency and channel bandwidth of an AP from cnMaestro](https://community.cambiumnetworks.com/t/template-for-changing-the-center-frequency-and-channel-bandwidth-of-an-ap-from-cnmaestro/77670)
**Author:** [@CambiumEvan](https://community.cambiumnetworks.com/u/CambiumEvan)\ **Replies:** 3\ **Last updated:** [April 29, 2021, 3:58pm UTC](https://community.cambiumnetworks.com/t/template-for-changing-the-center-frequency-and-channel-bandwidth-of-an-ap-from-cnmaestro/77670 "2021-04-29T15:58:21Z")
This template is to allow a change of the “Center Frequency” and “Channel bandwidth” on your PMP450 series AP from within cnMaestro. This can be done on a per AP basis or as a bulk update if coordinating a frequency plan… --- ## [Upcoming CBRS release - part 2](https://community.cambiumnetworks.com/t/upcoming-cbrs-release-part-2/77571)
**Author:** [@LuciaCambium](https://community.cambiumnetworks.com/u/LuciaCambium)\ **Replies:** 20\ **Last updated:** [April 28, 2021, 10:22pm UTC](https://community.cambiumnetworks.com/t/upcoming-cbrs-release-part-2/77571 "2021-04-28T22:22:06Z")
The second video related to Release 20.2 and operation in the CBRS band is now available. Here are the links to both part 1 and part 2 of the video series: Part 1: Part 2: Here is also the l… --- ## [Alternate frequencies is not actually working](https://community.cambiumnetworks.com/t/alternate-frequencies-is-not-actually-working/77933)
**Author:** [@Jesse-Nikola](https://community.cambiumnetworks.com/u/Jesse-Nikola)\ **Replies:** 3\ **Last updated:** [April 21, 2021, 1:28pm UTC](https://community.cambiumnetworks.com/t/alternate-frequencies-is-not-actually-working/77933 "2021-04-21T13:28:23Z")
Just had a DPA activate and the APs did not automatically switch to a new freq --- ## [DPAs seem to be activating for the whole bottom 100mhz](https://community.cambiumnetworks.com/t/dpas-seem-to-be-activating-for-the-whole-bottom-100mhz/77932)
**Author:** [@Jesse-Nikola](https://community.cambiumnetworks.com/u/Jesse-Nikola)\ **Replies:** 0\ **Last updated:** [April 20, 2021, 5:44pm UTC](https://community.cambiumnetworks.com/t/dpas-seem-to-be-activating-for-the-whole-bottom-100mhz/77932 "2021-04-20T17:44:00Z")
Arent DPAs supposed to only happen in the currently used frequencies. if not then how can they say that CBRS is commercially viable? --- ## [How to get alerts when PALs affect us](https://community.cambiumnetworks.com/t/how-to-get-alerts-when-pals-affect-us/77891)
**Author:** [@Ken\_Hohhof](https://community.cambiumnetworks.com/u/Ken_Hohhof)\ **Replies:** 1\ **Last updated:** [April 19, 2021, 5:45pm UTC](https://community.cambiumnetworks.com/t/how-to-get-alerts-when-pals-affect-us/77891 "2021-04-19T17:45:10Z")
Anybody have any recommendations how to get alerted when our grants get terminated or EIRP gets reduced due to PAL protection area enforement? I’m thinking we need cnMaestro to email us whenever this happens, even thoug… --- ## [CBRS v16 Import Sheet - Cheat Sheet/Quick Reference guide](https://community.cambiumnetworks.com/t/cbrs-v16-import-sheet-cheat-sheet-quick-reference-guide/77669)
**Author:** [@CambiumEvan](https://community.cambiumnetworks.com/u/CambiumEvan)\ **Replies:** 0\ **Last updated:** [April 9, 2021, 3:55pm UTC](https://community.cambiumnetworks.com/t/cbrs-v16-import-sheet-cheat-sheet-quick-reference-guide/77669 "2021-04-09T15:55:40Z")
Here is a Cheat Sheet/Quick Reference guide for the v16 cbrs\_template.xlsx I put together for the support team that I think maybe helpful if you are new to CBRS and are looking at using the sheet to bulk add devices on a… --- ## [Webinar: CBRS Updates - New Features and PALs with our Partner, Federated Wireless](https://community.cambiumnetworks.com/t/webinar-cbrs-updates-new-features-and-pals-with-our-partner-federated-wireless/77519)
**Author:** [@Riley\_Gallagher](https://community.cambiumnetworks.com/u/Riley_Gallagher)\ **Replies:** 1\ **Last updated:** [April 9, 2021, 1:36pm UTC](https://community.cambiumnetworks.com/t/webinar-cbrs-updates-new-features-and-pals-with-our-partner-federated-wireless/77519 "2021-04-09T13:36:10Z")
In this webinar, we will be joined by our partner Federated Wireless to discuss new CBRS features and updates for Cambium equipment. This session will also explore what you need to know about PAL implementation, and the … --- ## [Upcoming CBRS release](https://community.cambiumnetworks.com/t/upcoming-cbrs-release/77428)
**Author:** [@LuciaCambium](https://community.cambiumnetworks.com/u/LuciaCambium)\ **Replies:** 9\ **Last updated:** [April 8, 2021, 11:29pm UTC](https://community.cambiumnetworks.com/t/upcoming-cbrs-release/77428 "2021-04-08T23:29:56Z")
On April 15 SAS Administrators will start protecting PAL licenses for operators who won them during the recent FCC auction. All GAA devices operating in a channel that becomes protected by the SAS due to PAL activation, … --- ## [PMP450M CBRS SFP port gland?](https://community.cambiumnetworks.com/t/pmp450m-cbrs-sfp-port-gland/77554)
**Author:** [@newkirk](https://community.cambiumnetworks.com/u/newkirk)\ **Replies:** 2\ **Last updated:** [April 8, 2021, 3:26pm UTC](https://community.cambiumnetworks.com/t/pmp450m-cbrs-sfp-port-gland/77554 "2021-04-08T15:26:37Z")
WHAT is the part number to order the gland that screws in/around the SFP ports on the PMP450M 3GHz AP?? We’re set up to use SFP fiber to communicate with the AP, but can’t install it on the tower yet because we’re unabl… --- ## [$25 for your review of our Wi-Fi 6 APs](https://community.cambiumnetworks.com/t/25-for-your-review-of-our-wi-fi-6-aps/77515)
**Author:** [@RayS](https://community.cambiumnetworks.com/u/RayS)\ **Replies:** 0\ **Last updated:** [April 5, 2021, 2:15pm UTC](https://community.cambiumnetworks.com/t/25-for-your-review-of-our-wi-fi-6-aps/77515 "2021-04-05T14:15:05Z")
Share your thoughts about our Wi-Fi 6 access points in a Gartner Peer review and get a $25 USD Visa gift card. https://gtnr.io/zmVYXyxw0 --- ## [Error Importing SM](https://community.cambiumnetworks.com/t/error-importing-sm/77423)
**Author:** [@hci](https://community.cambiumnetworks.com/u/hci)\ **Replies:** 0\ **Last updated:** [March 31, 2021, 4:21pm UTC](https://community.cambiumnetworks.com/t/error-importing-sm/77423 "2021-03-31T16:21:48Z")
What does this error mean? Failed “Claimed device details are not available” --- ## [PMP 450i with the 3 Ghz Radios - Frequency Range?](https://community.cambiumnetworks.com/t/pmp-450i-with-the-3-ghz-radios-frequency-range/77133)
**Author:** [@rmcgowan-jenne](https://community.cambiumnetworks.com/u/rmcgowan-jenne)\ **Replies:** 2\ **Last updated:** [March 22, 2021, 4:36pm UTC](https://community.cambiumnetworks.com/t/pmp-450i-with-the-3-ghz-radios-frequency-range/77133 "2021-03-22T16:36:16Z")
Is the 3Ghz frequency band that is served by the PMP 450i considered the same frequency range as the older definition from the FCC? The older definition was 3.65 Ghz, but the current PMP 450i can support from 3.5 Ghz to … --- ## [CBSD Registration using Multistep](https://community.cambiumnetworks.com/t/cbsd-registration-using-multistep/77067)
**Author:** [@kelmore](https://community.cambiumnetworks.com/u/kelmore)\ **Replies:** 1\ **Last updated:** [March 19, 2021, 2:27pm UTC](https://community.cambiumnetworks.com/t/cbsd-registration-using-multistep/77067 "2021-03-19T14:27:09Z")
We have a few different vendors we use with CBRS and Google SAS. I have a few questions about MultiStep registration with Cambium SMs and cnMaestro. From what I gather, Multistep registration involves creating the CBSD … --- ## [Requesting grant for frequency range, or multiple frequencies](https://community.cambiumnetworks.com/t/requesting-grant-for-frequency-range-or-multiple-frequencies/76676)
**Author:** [@kelmore](https://community.cambiumnetworks.com/u/kelmore)\ **Replies:** 2\ **Last updated:** [March 19, 2021, 2:26pm UTC](https://community.cambiumnetworks.com/t/requesting-grant-for-frequency-range-or-multiple-frequencies/76676 "2021-03-19T14:26:24Z")
Is this possible? Other vendors have the capability to CSV a few requested frequencies, or multiple frequency ranges. This is important for us since we are near the coast and within the Dynamic Protection Area (DPA). If… --- ## [OpenOffice 4 for Template](https://community.cambiumnetworks.com/t/openoffice-4-for-template/66359)
**Author:** [@hci](https://community.cambiumnetworks.com/u/hci)\ **Replies:** 3\ **Last updated:** [March 18, 2021, 2:50am UTC](https://community.cambiumnetworks.com/t/openoffice-4-for-template/66359 "2021-03-18T02:50:03Z")
Anyone using Openoffice to edit template? Any issues? What should the file be saved as, .xls? .xlsm is not an option in Openoffice. --- ## [PAL's and GAA's](https://community.cambiumnetworks.com/t/pals-and-gaas/76724)
**Author:** [@RytMoore](https://community.cambiumnetworks.com/u/RytMoore)\ **Replies:** 2\ **Last updated:** [March 3, 2021, 7:08pm UTC](https://community.cambiumnetworks.com/t/pals-and-gaas/76724 "2021-03-03T19:08:05Z")
I have been searching for an answer to this question that I’m having a hard time finding out. I have 2 PAL’s to use in my county, is it possible to use that 20Mhz and an adjacent 20Mhz in GAA to get a useable 40Mhz chan… --- ## [New AP down this morning new state message](https://community.cambiumnetworks.com/t/new-ap-down-this-morning-new-state-message/76658)
**Author:** [@David\_Elliott](https://community.cambiumnetworks.com/u/David_Elliott)\ **Replies:** 0\ **Last updated:** [March 1, 2021, 1:23pm UTC](https://community.cambiumnetworks.com/t/new-ap-down-this-morning-new-state-message/76658 "2021-03-01T13:23:43Z")
Good Morning, We had an AP in a suspended state this morning, “unable to reach SAS” this is usually corrected by rebooting the AP. That generated a message I have not see before, " Waiting for Domain Proxy Information t… --- ## [CBRS Dead Radios](https://community.cambiumnetworks.com/t/cbrs-dead-radios/76626)
**Author:** [@JBrantley](https://community.cambiumnetworks.com/u/JBrantley)\ **Replies:** 1\ **Last updated:** [February 26, 2021, 4:38pm UTC](https://community.cambiumnetworks.com/t/cbrs-dead-radios/76626 "2021-02-26T16:38:10Z")
Since we began CBRS migrations last March, we have noticed an influx of dead Rugged High Gain trouble calls. Pre-CBRS, we RARELY replaced these radios, unless storms came through a market. Is there anyone else that has e… --- ## [Tolly Group report shows Cambium Wi-Fi 6 on top](https://community.cambiumnetworks.com/t/tolly-group-report-shows-cambium-wi-fi-6-on-top/76200)
**Author:** [@RayS](https://community.cambiumnetworks.com/u/RayS)\ **Replies:** 5\ **Last updated:** [February 25, 2021, 5:09pm UTC](https://community.cambiumnetworks.com/t/tolly-group-report-shows-cambium-wi-fi-6-on-top/76200 "2021-02-25T17:09:19Z")
The Tolly Group released the results of a recent benchmark testing that showed #wifi6 #accesspoints from Cambium Networks outperformed competitors Aruba, Meraki (Cisco) and Ruckus in terms of performance and Total Cost o… --- ## [Cambium CBRS Service Bulletin – Coexistence Implementation Update](https://community.cambiumnetworks.com/t/cambium-cbrs-service-bulletin-coexistence-implementation-update/75908)
**Author:** [@LuciaCambium](https://community.cambiumnetworks.com/u/LuciaCambium)\ **Replies:** 0\ **Last updated:** [January 29, 2021, 9:33pm UTC](https://community.cambiumnetworks.com/t/cambium-cbrs-service-bulletin-coexistence-implementation-update/75908 "2021-01-29T21:33:36Z")
As was previously announced in December 2020, Cambium officially released both PMP 450 Software (R20.0.1) and the December re-release of cnMaestro 2.4.2 (Cloud and On-Premises) for the entry of new CBRS Coexistence Param… --- ## [Delete CBSD](https://community.cambiumnetworks.com/t/delete-cbsd/75620)
**Author:** [@hci](https://community.cambiumnetworks.com/u/hci)\ **Replies:** 0\ **Last updated:** [January 19, 2021, 2:36pm UTC](https://community.cambiumnetworks.com/t/delete-cbsd/75620 "2021-01-19T14:36:17Z")
In the manual I see this: Navigate to Services \> CBRS \> Management Tool \> Sectors page click De-Register. When I go to manage in cnmaestro and I see an offline device. I click on the ellipsis next to the device. I … --- ## [CBRS v16 template](https://community.cambiumnetworks.com/t/cbrs-v16-template/75215)
**Author:** [@Ken\_Hohhof](https://community.cambiumnetworks.com/u/Ken_Hohhof)\ **Replies:** 4\ **Last updated:** [January 15, 2021, 11:49am UTC](https://community.cambiumnetworks.com/t/cbrs-v16-template/75215 "2021-01-15T11:49:14Z")
What happened to the max EIRP and requested EIRP columns, and the channel bandwidth and center frequency fields for the AP? Since v15 they disappeared from the template and from exported spreadsheets. Are we supposed t… --- ## [XV3-8 Wi-Fi 6 AP Unboxing video](https://community.cambiumnetworks.com/t/xv3-8-wi-fi-6-ap-unboxing-video/67260)
**Author:** [@RayS](https://community.cambiumnetworks.com/u/RayS)\ **Replies:** 4\ **Last updated:** [January 14, 2021, 8:20pm UTC](https://community.cambiumnetworks.com/t/xv3-8-wi-fi-6-ap-unboxing-video/67260 "2021-01-14T20:20:24Z")
Get the details on the new XV3-8 Wi-Fi 6 AP in this unboxing video. Post your questions and comments to this thread. --- ## [SAS not responding](https://community.cambiumnetworks.com/t/sas-not-responding/75321)
**Author:** [@Jesse-Nikola](https://community.cambiumnetworks.com/u/Jesse-Nikola)\ **Replies:** 14\ **Last updated:** [January 12, 2021, 4:30pm UTC](https://community.cambiumnetworks.com/t/sas-not-responding/75321 "2021-01-12T16:30:45Z")
Is anyone else having an issue with the SAS I’m getting a 504 Error on all APs --- ## [Zero Touch possible in CBRS?](https://community.cambiumnetworks.com/t/zero-touch-possible-in-cbrs/72559)
**Author:** [@nicksmpls](https://community.cambiumnetworks.com/u/nicksmpls)\ **Replies:** 2\ **Last updated:** [January 8, 2021, 12:53pm UTC](https://community.cambiumnetworks.com/t/zero-touch-possible-in-cbrs/72559 "2021-01-08T12:53:24Z")
We can’t see how Zero Touch configuration could work in CBRS. I searched in the V16.2.2. documentation and with the exception of a single line’s referencing zero touch, there’s no other information. There’s no mention … --- ## [How robust are heartbeats to packet loss](https://community.cambiumnetworks.com/t/how-robust-are-heartbeats-to-packet-loss/74970)
**Author:** [@Ken\_Hohhof](https://community.cambiumnetworks.com/u/Ken_Hohhof)\ **Replies:** 5\ **Last updated:** [December 22, 2020, 1:51am UTC](https://community.cambiumnetworks.com/t/how-robust-are-heartbeats-to-packet-loss/74970 "2020-12-22T01:51:44Z")
Are missed heartbeats retried? We have an AP that will run for several hours and then have a momentary Ethernet drop. Obviously we need to find the root cause and fix it, which is proving difficult. But this should on… --- ## [\#WirelessWednesday WISP Webinar: Managed Services for Residential Wi-Fi With Wi-Fi 6](https://community.cambiumnetworks.com/t/wirelesswednesday-wisp-webinar-managed-services-for-residential-wi-fi-with-wi-fi-6/74662)
**Author:** [@Olivia\_Cambium](https://community.cambiumnetworks.com/u/Olivia_Cambium)\ **Replies:** 1\ **Last updated:** [December 16, 2020, 8:02pm UTC](https://community.cambiumnetworks.com/t/wirelesswednesday-wisp-webinar-managed-services-for-residential-wi-fi-with-wi-fi-6/74662 "2020-12-16T20:02:51Z")
Wi-Fi 6 technology is designed to address the unprecedented strains placed on Wi-Fi networks, caused by the exploding demand for streaming video, the proliferation of outdoor hotspots, IoT sensors and controls. In this #… [Previous page](https://community.cambiumnetworks.com/c/technology/61.md?page=2) [Next page](https://community.cambiumnetworks.com/c/technology/61.md?page=4)