4G using old SIM

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Phil Bancroft

I posted this question before, now in real life I’ve done it and not sure what to expect ?

I bought a Black Friday 4G ATT for $253 , to my surprise when it came the SIM card was not hidden inside the cam , but had a SIM card in it from spartan.   I’ve actually come to be ok with the spartan pre paid sim that has the ap built in.   What I DONT like about it is there is no way to monitor the actual dada usage like on Buy a Session.  That’s a big miss on need for users.  

I have 3 dead 3GS with 6+ months still on the buy a session sim.   So instead of using the white ATT sim, I swapped out with one of the pre paid sims with any months left. 

All looks Ok, sends PICs to the App and sends videos to the AP using the old 3G sim.   

The 4Gs seem to have a lot better reception where I can get pics where I couldn’t get with the old 3G. 

I’m about to test that out in a few hours, but guessing the new 4G cam with 3g sim won’t work in an area the old 3G wouldn’t.  

Any pit falls ahead 🤔 ?.

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  • John Lockburner

    I'll be curious to see what your testing reveals. You may want to take the 3g antenna with you and see if that helps at all in the low signal areas.

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  • Phil Bancroft

    No such luck.  Zero bars where the newer 4Gs work but 3GS don’t.   I just set it up in a location that the 3GS work until I burn up the data on the buy a session sims and then I’ll switch sims to the 4g.  

     

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  • Elizabeth Swoope

    The 4G cameras don’t work very well with the 3G SIMs. I found that out when I replaced some 3G cameras with 4G ones and used the 3G SIMs. Now a 4G SIM in a 3G camera will work. The 3G SIM in the 4G camera only allows the camera to get 3G signal.

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  • Phil Bancroft

    Was surprised it would send video, prob eats up battery.  Also surprised (or didn’t realize) how much stronger 4G signal is than 3.    Zero bars on 3G , can’t even connect to the network.  4g is 3 bars.  That alone is worth the upgrade.  

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  • John Lockburner

    Yes, it's a pretty significant difference between the 3 and 4g

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