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Rasel Rana

I'm Md. Rasel Rana, an electrical and electronic engineer and Manager (Technical) at BTCL. I write about telecommunications, electronics, robotics and web development, sharing what I learn from hands-on engineering work.

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1 post

31 Oct 2026
Lease line internet (LLI): how dedicated internet reaches your office
Lease line internet gives you bandwidth no one else shares, the same speed up and down, public IPs and an SLA. Here is how it reaches you, from core router to laptop.
Telecommunications7 min read

Rasel Rana

1 post

Lease line internet (LLI): how dedicated internet reaches your office