5G or 5th-Generation Network Technology is the latest thing in the market & the network technology which is going to drive connectivity in the coming years.
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Dual SIM 5G
Dual SIM 5G refers to the usage of two 5G SIMs simultaneously at the same time. It can be used for a device which would support 5G network on both the slots.
Dual Mode 5G
Dual Mode 5G refers to the support of two primary types of 5G networks NSA (Non-Standalone Access) and SA (Standalone Access).
The reason why dual-mode 5G is getting prominence is that the current set of 5G phones with Snapdragon X50 Modem (Galaxy Note 10+, LG V50 Thinq 5G, etc.) have 5G NSA support only. So, having full band support is currently being projected as an advantage.
5G NR (New Radio) is now the globally accepted 5G standard. As mentioned above, Dual Mode in 5G NR refers to the support for two popular 5G NR deployment models – NSA and SA.
Dual Mode 5G phones are not yet official, but rumors, leaks and even official teasers do confirm a few phones with the technology.
- Realme X50
- Vivo X30
- Oppo Reno 3z (rumored)
- Xiaomi Redmi K30
Non-Standalone Access or NSA is a 5G type where changes are made to the existing 4G LTE infrastructure to get higher speeds and higher data bandwidth but this approach promises only moderate improvements in latency.
Using NSA, telecom operators can make upgrades to their existing 4G LTE infrastructure and won’t have to rebuild from scratch to deliver and market 5G.
This will be the popular deployment of 5G worldwide. DSS or Dynamic Spectrum Sharing will be a big enabler of 5G acceleration until the technology evolves to Standalone Access (SA). Using DSS, Telecom operators will be able to push 5G and 4G LTE in the same legacy 4G band based on user demand instead of splitting the band for separate 4G LTE and 5G transmission.
Standalone Access or SA 5G requires infrastructure to be built from the ground up. Expectedly, this model requires more investment but lets users and Telecom operators benefit from the core capabilities of 5G NR. Standalone 5G will facilitate critical 5G applications that require low latency (robotic surgeries, self-driving cars, etc.) and this 5G type is currently meant to cater to enterprises and not consumers.
What chipsets support Dual Mode 5G?
s of now, Huawei’s Kirin 990 duo and Samsung Exynos 5100 chips like Exynos 990, Exynos 980 have Dual Mode 5G support. Qualcomm’s X55 modem which will also be integrated on the upcoming Snapdragon 865 has support for both 5G NSA and 5G SA. The Recently launched Snapdragon 765 and Snapdragon 765G have integrated X52 modem with dual-mode 5G support.
Major Indian operators like Reliance Jio, Vodafone & Airtel will be adopting 5G NSA and focus is expected to be on eMBB (enhanced Mobile Broadband) specification that focuses on improving broadband capacity. Such 5G will not meet low latency requirements for critical applications but will deliver faster speeds.
Indian Telecom companies have spent a lot of money, and are still spending, on upgrading their 4G coverage to the latest standards just so they can smoothly transition to 5G NSA when the time is right.
Having dual-mode support on your phone would mean assurance of full support for upcoming 5G networks in the future. From a practical standpoint in India or abroad, dual-mode support wouldn’t mean much to end-users for many more years to come since NSA networks will be the only relevant options in most countries.
The number of 5G subscribers is expected to increase to 20 Crores by the end of the year 2020. The next generation of cellular connectivity, 5G, will bring faster and more reliable internet to our phones, cars and IoT devices.