This Pedal is currently available.
Remote footswitch for Tensor pedal
Tensor remote switch with 4 modes to access presets and pedal functions. Scribble strips above each switch can be labeled with a Sharpie and erased using isopropyl alcohol.
Connects to the Tensor or Particle 2 via a 1/4" TRS cable (included). The Tensor firmware needs to be version 1.1 or later (available here). The Remote 4 does not require power.
Size: 10" x 2.75" x 2.25" high
These merchants probably sell this module. Huh?