If you're signed up to get in line for Project Fi, you may be waiting for a while.

Project Fi email

According to an email that was just sent out to potential Project Fi customers, invites are being pushed out as fast as possible while keeping user experience in mind, and it may take until the middle of summer to finish processing the backlog of invite requests. Apparently the new wireless service is seeing "very positive" feedback from those who have received Google's SIM card in the mail, which doesn't come as much of a surprise considering the audience for Project Fi right now.

READ: Comparing Project Fi pricing to other no-contract carrier offerings

If you have yet to receive that coveted Project Fi invite, join the club — just know that there will be an invite hitting your inbox soon enough.