Br1 mini cannot detect sims

modem has been doing fine for a couple of months on a boat with one cell antenna up the 80’ mast and the other one on deck also have 2 Wilson boosters which are used on or off which ever is best at the time.

I hook the lan of the BR1 Mini to a router on its wan port i tried ip pass through once in the past with no luck.
I have been using an older d-link router and I just switched it for a new TP-Link AX6000 i got it all working pretty well then i decided to try ip pass through so as to not double NAT.
Once i tried the ip pass through the unit would no longer detect the sim cards.

I have tried every thing (almost pulled all my hair our) checking insertion of cards, sever rebooting with 2 different firmware’s, many power resets, resetting ip pass through, hard reset of unit several times etc etc etc…
no sim detection…

I see there is new beta firmware might that help…?
Firmware 8.1.0 RC 3
Release Date: Jul 23, 2020

Can anybody help…?


Hi Scott

Can you please confirm that even when trying without IP Passthrough enable now the SIM is not detected?

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Even without IP Passthriugh enabled the sim is not detected. no matter what i do the sim is not detected.

The boat is on its way of this morning to Catalina island the owner has brought iPad with a cellular hotspot and has been able to hook up the wireless Wan to the iPad and we have the modem online in control but still no Sim detected
They will probably lose connectivity for an hour or 2 then they get it back
So I can have web access


Hi Scott

Have you tried different SIMs in the BR1? (just want to confirm its not the SIM that has failed)

Could you please open a support ticket?

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How do I open support ticket …?

It was all working with these SIM cards until I selected ip pass
One is Sprint at 1 is ATT
I think there is a Verizon card on board plus what he has in his iPad I will have him try
I will try and have him insert that I will also include him on this email


Oops edit Did not realize emails went to forum

He is power cycling at the moment he just told me they came backup online for his Web administration

For some reason on incontrol the GPS is not updating it shows hes still at the slip when hes almost at Catalin

How do I open support ticket

Support ticket has been open


Please share results. I have the same issue.

Tried brand new unit but it did the same thing in my deployment. We ended up disabling the wifi completely in the BR1-Mini with that the cellular works well now with my deployment.

So its been recommended to change the BR1-Mini to a Max Transit such as the MAX-TST-LTEA-W-T and see if i can then use the wifi with out interfering with the cellular communications in my deployment.
To date we have not tried the a Max Transit router yet.

Here’s a thought: We had this experience (not recognizing the SIMs) in a BR1 Mini LTE-A. It turned out to be a power issue - it was powered using POE and the POE simply did not provide enough energy (in our case it should have been 12V/2A and it was not). Once that was corrected it was rock solid.

Good luck,


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