# samax.tech > We Explain Telecom & Technology ## Posts - [What is EPC in Telecom? Understanding Evolved Packet Core](https://www.samax.tech/what-is-epc-in-telecom/): Have you ever wondered how your smartphone connects to the internet, makes video calls, streams movies, or downloads files so quickly over a 4G LTE network? - [What Is Packet Core in Telecom? A Complete Guide to Architecture, Functions, and Benefits](https://www.samax.tech/what-is-packet-core-in-telecom/): The telecommunications industry is evolving rapidly with the growth of 4G LTE, 5G networks, IoT devices, and high-speed mobile connectivity. - [What is RF Planning in Telecom Networks? A Complete Beginner's Guide](https://www.samax.tech/what-is-rf-planning-in-telecom-networks/): RF Planning (Radio Frequency Planning) is one of the most important activities in the design, deployment and optimization of cellular communication networks. [comment]: # (Generated by Hostinger Tools Plugin)