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5G is faster than 4G, right?! Why have so many signal towers?

5G is faster than 4G, right?! Why have more signal towers?# Technology # smartphone # Science

2025/11/28 Edited to

เมื่อเปรียบเทียบ 5G กับ 4G หลายคนสงสัยว่าทำไม 5G ถึงต้องติดตั้งเสาสัญญาณมากกว่าขนาดไหนที่ทำให้รู้สึกว่าความเร็วแตกต่างจริงหรือไม่ จริงๆ แล้วคลื่น 5G ใช้คลื่นความถี่สูงกว่าคลื่น 4G มาก คลื่นความถี่สูงนี้จึงมีระยะส่งสัญญาณสั้นลง และเจอสิ่งกีดขวางได้ง่ายกว่า เช่น กำแพงหรืออาคาร ดังนั้นจำเป็นต้องมีเสาสัญญาณจำนวนมากขึ้นเพื่อให้ครอบคลุมและให้บริการที่มีคุณภาพสูงในพื้นที่ต่างๆ จากประสบการณ์ที่ใช้ทั้ง 4G และ 5G พบว่า 5G ให้ความเร็วที่สูงกว่าอย่างชัดเจน โดยเฉพาะการดาวน์โหลดไฟล์ขนาดใหญ่หรือสตรีมมิ่งวิดีโอความละเอียดสูง การตอบสนองในเกมออนไลน์ก็ลื่นไหลกว่า เพราะ 5G ลดความหน่วงของสัญญาณได้มากกว่า อย่างไรก็ตาม การติดตั้งเสาสัญญาณมากขึ้นก็เป็นหัวใจสำคัญที่จะทำให้เทคโนโลยี 5G สามารถรักษาความเร็วและความเสถียรนี้ได้ในพื้นที่ต่างๆ โดยเฉพาะในเขตเมืองที่มีการใช้อินเทอร์เน็ตจำนวนมาก"

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