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Exclusive: First Space-Based Voice Call Completed by AST Space Mobile

AST SpaceMobile successfully completed two-way voice calls using BlueWalker 3 satellite.

Standard mobile phones may now be connected directly to a cellular broadband network in space according to AST Space Mobile, which has completed the first two-way voice conversations using its Blue Walker 3 satellite. The test calls were placed on handsets that had not been modified.

HIGHLIGHTS

  • With the aid of a satellite, AST Space Mobile makes the first-ever two-way voice calls to unaltered cell phones.
  • This is a huge development in the delivery of cellular broadband connection to the offline population globally.
  • At&T, Rakuten, and Vodafone engineers all took part in the calls’ testing.

The first-ever two-way voice calls to regular cell phones utilizing the Blue Walker 3 (BW3) satellite were completed by AST Space Mobile, a firm developing the first space-based cellular broadband network. The accomplishment represents a crucial turning point in the company’s aim to connect the roughly 50% of the world’s population that is still not using cellular broadband.

Also Read: AST Space Mobile Aims to Expand Space-Based Cellular Connectivity Validation

Validation of Technology

The initial test calls, carried out using unmodified cell phones, verified the patented system and architecture of AST Space Mobile. The calls showcased the Blue Walker 3 satellite’s capability as the biggest commercial communications array ever placed in low Earth orbit (LEO).

In order to provide space-based 2G, 3G, 4G LTE, and 5G cellular internet internationally, the business claims that this is a vital step. The first phone conversations with BW3 were prepared and tested by engineers from Vodafone, Rakuten, and AT&T.

Also Read: Satelit Successfully Launches 5G-IoT LEO Satellite

From Midland, Texas, a voice call was made to Rakuten in Japan.

The first voice call, per the announcement, was made using a Samsung Galaxy S22 smartphone over AT&T airwaves from the Midland, Texas region to Rakuten in Japan. In addition to test calls, engineers from AST Space Mobile completed preliminary compatibility testing on a variety of smartphones and devices.

The phones exchanged network data and Subscriber Identification Modules (SIM) with BW3 successfully. For any phone or gadget to receive internet connectivity from space, this is essential.

Also Read: Qualcomm Will Expand Smartphones Using Snapdragon Satellite

AST Space Mobile Partners

AST Space Mobile says that their technology is protected by over 2,600 patents and patent pending claims. The company has also built state-of-the-art facilities in Midland, Texas, totalling 185,000 square feet. Among the organizations with which the business has agreements and understandings are Vodafone Group, Rakuten Mobile, AT&T, Bell Canada, Orange, Telefonica, TIM, Saudi Telecom Company, Zain KSA, Etisalat, Other mobile network carriers include Indosat Ooredoo Hutchison, Smart Communications, Globe Telecom, Millicom, Smartfren, Telecom Argentina, Telstra, Africell, and Liberty Latin America.

This achievement represents a significant advancement in the company’s ambition to provide global cellular internet from space.

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Written by Shallu Srivastav

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