Device for Rj11 wire in free pbx

Dear anyone plz know me that if i have landline connection can i use this in Freepbx server of if i have cell phone SIM can i use it in freepbx.

yes you can. You will need an FXO adapter for the land line or a cellular adapter to use the SIM card.

please let me know which is good brand brand for both if i have small setup in my home

For a small home setup, check out the Obihai Obi110.

For the gsm part, check out chan_dongle.

I set up a client in Africa recently utilizing the Sangoma GSM card, Sangoma is also a Certified FreePBX Partner.