T-Mobile Starlink is obviously available to T-Mobile customers, but the carrier said that Verizon and AT&T customers can also use it on their existing phones without switching entirely to T-Mobile. Verizon and AT&T customers will need an unlocked phone with eSIM technology, which lets users activate a cellular plan without a physical SIM card.

The service will be free for all users until the service’s commercial launch in July this year, after which users will have the option to access Starlink’s direct-to-device services for an additional fee ($15 per month for T-Mobile customers and $20 per month for AT&T/Verizon customers).

T-Mobile Starlink has officially entered the public beta phase. The long-awaited announcement came during yesterday’s Super Bowl game and according to the carrier, its direct-to-device (D2D) satellite service can deliver connectivity to the “more than 500,000 square miles of the country unreached by any carrier’s earth-bound cell towers.”