When you connect a 5G USB dongle to a laptop that doesn’t have a built-in 5G modem, the type of voice call you make depends on the software and network configuration. Let’s break it down:
GSM (2G): GSM (Global System for Mobile Communications) is an older cellular technology that operates on 2G networks. It’s unlikely that a 5G USB dongle would use GSM for voice calls, as 2G networks are mostly obsolete and not commonly used anymore.
4G LTE: If your 5G USB dongle supports 4G LTE (Long-Term Evolution), it will likely default to using LTE for voice calls. LTE is a widely adopted technology that provides high-speed data and supports voice calls through VoLTE (Voice over LTE). VoLTE ensures better call quality and faster call setup times compared to older technologies.
Voice over 5G (VoNR/Vo5G): VoNR (Voice over New Radio) or Vo5G is the latest advancement in voice calls for smartphones. It allows calls over standalone 5G networks instead of relying on LTE. However, implementing VoNR requires significant preparation and work from carriers, which is why it is currently limited and not widely available. T-Mobile is the first carrier to deploy VoNR in the US, but AT&T and Verizon are also building out the service for their subscribers12.
In summary:
- If your 5G USB dongle supports VoNR, your voice calls would be over 5G.
- Otherwise, if it supports 4G LTE, your voice calls would use LTE.
- GSM (2G) is unlikely to be used for voice calls in this scenario.
Keep in mind that the availability of VoNR depends on your carrier and the specific 5G dongle you’re using. If you’re unsure, check with your carrier or refer to the dongle’s documentation for details on supported technologies. 😊
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