ADSL2 Modem Getting Dust after Switching to Cable Internet

My Billion 7800NXL ADSL2 modem has been retired for more than a year after I switched to Cable Internet. I am wondering what people would do to this kind of modems when they switched to Cable internet or NBN? Do you give it away or bring it to a recycle place? Or can you use it as a hub/router or wifi extender? Is there any recycle place for the modem in Adelaide?

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