SpaceX is signaling plans to develop its own radio‑frequency chip modules for the Starlink Mobile satellite‑to‑phone service, according to a new job posting for a Senior RF Front‑End Module Design Engineer.
What SpaceX Is Developing
The role is focused on designing “multi‑chip modules” containing RF front‑end components—such as antennas, signal tuners, and power amplifiers—that work alongside the modem in smartphones to transmit and receive 5G, LTE, and Wi‑Fi signals efficiently.
The engineer will integrate these RF modules into mass‑production printed circuit board assemblies and optimise yield and design for high‑volume manufacturing, indicating that SpaceX intends to take tighter control over the phone‑side radio hardware.
Link to Starlink Mobile Upgrade
The hiring move dovetails with SpaceX’s broader push to upgrade Starlink Mobile using valuable radio spectrum it acquired from EchoStar (parent of Boost Mobile), which the company plans to activate via next‑generation satellites launching in mid‑2027.
With that spectrum, SpaceX aims to boost downlink speeds for Starlink Mobile users to up to about 150 Mbps, a significant jump from the current roughly 4 Mbps, enabling 5G‑like connectivity directly from its satellites orbiting over 300 km above Earth.
Device‑Maker and Chip‑Partner Efforts
SpaceX has acknowledged that it will need about two years for phone manufacturers to adopt new chipsets tuned to the EchoStar spectrum bands, and at Mobile World Congress a SpaceX executive said the company is working closely with device and modem makers to enable the service on as many handsets as quickly as possible.
There are also reports that Samsung is developing a modem for the service, suggesting that SpaceX will combine its own RF‑front‑end modules with third‑party modems to deliver a full satellite‑to‑phone stack optimized for its low‑Earth‑orbit constellation.
Current Status of Starlink Mobile
Starlink Mobile today is offered mainly as a paid add‑on on T‑Mobile, while it is free on some of the carrier’s premium plans, and will later expand to Boost Mobile and prepaid carrier US Mobile.
Meanwhile, AT&T and Verizon are pursuing rival satellite‑to‑phone services via Texas‑based AST SpaceMobile, underscoring that direct‑to‑device connectivity is becoming a key battleground in the global telecom‑satellite convergence race.
