4G LTE modem with Data and Voice communication using RJ45 Ethernet for raspberry pi 5

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Dear All,

I want to use a 4 G LTE modem for internet data connection along with voice phone call communication using RJ45 ethernet connection for Raspberry pi 5 SBC board, Kindly suggest any opensource modem or any evaluation board.

Even i am ready to design my own PCB design, If anyone knows schematic for the same. Kindly share for reference.
 

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Thank you for the inputs, Yes! you are right. I should have a interface with SDR to ethernet. This USRP b205mini won't suit my requirement.
 

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I'm not aware of voice/data modems with ethernet interface. There's either modem with USB/UART and voice or LTE router with ethernet.
How do you want to use voice?
 
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FvM said:
I'm not aware of voice/data modems with ethernet interface. There's either modem with USB/UART and voice or LTE router with ethernet.
How do you want to use voice?
Click to expand...
Please refer block diagram for working requirement.











This is my proposal for your information.
Where DC power supply should be 5V DC or 12V DC but need communication for 3.3V DC.

Hope this will give more clarity DATA - internet, VOICE - Phone call through AT commands
 

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Clear so far, however I don't know about 4G or 5G modem with ethernet. Raspberry pi 5 can also use USB, isn't it? Much more common for LTE modems.
 

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