Triad RF Systems' TTRM2021 is a part of a customer's payload, which is riding on the SpaceX Falcon 9 Transporter-4 Rideshare that successfully launched today.
The TTRM2021 is a Dual Channel, Bi-Directional FDD SSPA custom designed for the customer's CubeSat RF Front End. With proven flight heritage from the Transporter-2 launch, the RF amplifier operates in the S-Band.
You can follow along on the live stream of the Transporter-4 here.