Can I use my Telstra Orbi LRB1020 with an Optus Sim?

[suzic0404]

According to my NetGear account the product I have is a LBR1020 but I can only find LBR1220 and 1120 models so I am assuming it is a Telstra own branded product.

Anyway I want to move from Telstra to Optus. Can I use the Optus sim card in the Orbi. I have tried but it didn't work. If it does work how can I connect to the service?

[CrimpOn]

The User Manual for the LB1120 page 7 says that it supports LTE bands 2,4,5,and 12.

https://www.downloads.netgear.com/files/GDC/LB1120/LB112x_UM_EN.pdf

  Optus inidicates that it uses band 12, but there is a mention of checking by area?

https://www.downloads.netgear.com/files/GDC/LB1120/LB112x_UM_EN.pdf 

(Reference to LTE bands: https://en.wikipedia.org/wiki/LTE_frequency_bands 

[CrimpOn]

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@suzic0404 wrote:

According to my NetGear account the product I have is a LBR1020

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The model number is usually printed on the product label.