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How Does Smartwatch Make Call?

by Tiffany YI on September 02, 2022

 

 

Introduction

Are you a techno-lover? Are you also someone who really values ​​productivity and punctuality? If this character refers to you, it means that you will be very suitable to use a smartwatch as a companion for your everyday life. Smartwatches are equipped with various useful features that support many aspects of our daily lives. Apart from being a timepiece, the smartwatch features also support health, entertainment, connectivity, connectedness, and productivity aspects in our lives.

 

Currently, the aspect of connectedness and connectivity is one of the reasons people choose smartwatches as productivity supporters. The smartwatches have the capability as a communication tool that can be integrated with smartphones, making it a high added value for people who want to always relate to loved ones and work colleagues for the sake of simply exchanging news or having simple business conversations. Smartwatches also could connect with other devices for the purpose of exchanging data and information.

 

The rapid development of the latest technology has made watches become smarter (we call them smartwatches) and have additional functions, one of which is communication capabilities. Smartwatches generally communicate with several methods, namely via Wi-Fi networks, cellular networks (4G and 5G LTE), and Bluetooth.

 

Smartwatch Communication Scenario

 

Make a phone call.

Make a phone call with a cellular network

Smartwatches equipped with a SIM card can already function like a phone. This smartwatch equipped with a SIM card can make phone calls, receive and send short messages (SMS), and has call notification features and applications. Currently, there are 3 types of SIM cards embedded in smartwatches, namely micro-SIM cards, nano-SIM, or mini-SIM cards (micro and nano SIM are physical SIM cards) and Virtual SIM (e-SIM). Micro-SIM and Nano-SIM cards are chips that contain technological information that will connect your smartwatch to the correct communication network.

 

Meanwhile, an e-SIM (embedded SIM) or virtual SIM is a virtual SIM card that was previously embedded in our smartwatch in the form of hardware. In the integrated e-SIM, up to 20 more SIM profiles (or, more simply, our phone number) with more than 20 phone numbers and data plans. With an e-SIM, it is easier for smartwatch users to activate their cellular plan without having to replace physical SIM cards.

 

How e-SIM works

An e-SIM has the same functionality as a conventional SIM card: it contains personal information (such as a phone number) and a configuration that connects the phone to a particular company's telephone network to connect users to carriers that provide and manage contracted cellular services.

 

However, each physical SIM card is programmed to work only with the carrier that provided it. And although the operator can update and change the information contained in the SIM, the basic programming, which comes from the factory, cannot be modified. For that, when you change carriers, it is necessary to remove the SIM card that is in the phone and replace it with another SIM card that will be sent by the new carrier.

 

These disadvantages make it difficult to change carriers even if only temporarily; for example, when you are traveling abroad, and you want to make a contract with a local operator instead of using the phone roaming.

 

Advantages of an e-SIM or virtual SIM card

 

For clients

You no longer need to buy or ask for a physical SIM card when you change carriers, lose your phone, or buy something else. The e-SIM will be on the device you own and activate. Changing rates and companies will be easier. Since your e-SIM will have the information of all phone carriers, it will only take one click to change your data plan, for example or your company.

 

We will be able to recover our data in case of loss. Since the information we store in your e-SIM or virtual sim is also stored in the cloud, if our phone is lost or stolen, we just need to transfer this data to another terminal (for example, a smartwatch with an e-SIM).

 

We will be able to travel and stay connected. One of the qualities of an e-SIM is that we can use it as a multi-SIM, i.e., store a single package with the same amount and amount of data distributed across different devices (phones, tablets, and even smartwatches). Also, when you travel, you don't need to physically change your national SIM for the SIM of the destination country (if you choose this Internet connection mode).

 

For manufacturers

Goodbye, slots. Now the gadget designer will have more freedom because they don't need to make a special slot to put their SIM card.

 

For network operators

Operators don't have to worry about providing SIM cards to their customers due to lost phones, and updates, among other things, with e-SIM, so all processes and workflows will be simplified.

 

Make phone calls with Wi-Fi.

In addition to making calls with a cellular network, the smartwatch also could make calls by connecting via a Wi-Fi network. All we need is access to a Wi-Fi network, speakers/headphones, and microphones. Smartwatches circulating today could already connect to a Wi-Fi network.

 

Carry out message sending and receiving activities:

Just like phone calls, smartwatch users can send and receive messages when connected to a cellular network and/or a Wi-Fi network. The quality and experience of messaging activities carried out through this smartwatch have almost matched the use of smartphones. Sending text messages or voice messages (voice notes) is made easier with a smartphone.

 

Perform communication activities with various other smart devices:

IoT (Internet of Things) smartwatches, such as those carried by Wonlex FT02, could be integrated with other smart devices. We can turn off the lights just by clicking on our Wonlex smartwatch, which is connected via the same Wi-Fi network. Cool, Isn’t it?

 

Doing communication activities via Bluetooth.

Smartwatches can exchange data at close range using Bluetooth. Currently, there are many smartwatches that have this feature. One of them is Wonlex type FT02 and HT200. With Wonlex FT02, we can exchange data with our smartphones, for example, music files and then health data, while synchronizing with our smartphones.

 

Benefits of the communication capabilities of a smartwatch

With communication capabilities that are almost on par with smartphones, we can say that smartwatches have more benefits and values, namely:

 

More practical in terms of calling and messaging activities. With the smartwatch, we don't need to take our smartphones. While walking, we can immediately answer the phone or reply to messages that enter our number. Some smartwatches even have a hold voice support feature, so you can talk to several people at once.

 

Smartwatches make our connectivity easier on our social media. We can directly check notifications from our favorite social media and directly interact with them via smartwatches without needing to open a smartphone.

 

Wonlex, as a high-tech smartwatch, offers convenience for users to communicate with various methods. Wonlex CF81, Z15c, and HT200 have push message and call notification features as a reminder when there is an incoming call to our number. In addition, these three types of clocks also have Bluetooth features for efficient short-range data exchange. The advantage of Wonlex compared to other smartwatches, we can order 1 sample for us to try. If suitable, we can order in large quantities for resale, even labeled with our own brand (ODM and OEM).

 

From their headquarters and factory network in Shenzhen, Wonlex supplies most of mainland China, as well as supplying bespoke OEM and ODM kits for their overseas partners. Wonlex has served many electronics brands and major retailers as a trusted manufacturer for many years.

Conclusion

The development of smartwatch technology has reached an extraordinary stage. Not only as a timepiece, but the smartwatch has also now become an "assistant" of smartphones in carrying out communication activities. The latest smartwatches have embedded various technologies, such as SIM card slots (micro, nano, and even e-SIM), to support communication needs. In addition, the smartwatch has also been equipped with Bluetooth technology to exchange data over short distances. 

 

Nowadays, smartwatches are also equipped with the ability to connect to a Wi-Fi network to carry out communication activities that are cheaper and faster. Thus, data exchange can take place more effectively and efficiently. Some smartwatch manufacturers, such as Wonlex, on average, already have complete communication features, namely a SIM card slot, Wi-Fi, and Bluetooth connectivity. Let's make our communication life more fun and complete by wearing a Wonlex smartwatch.

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