Device description: GPS-controlled rubidium frequency standard, 5/10 MHz output frequency, 1 PPS output, Allan deviation 5 x 10-11 (τ = 1 s), phase noise -140 dBc/Hz.
Specification: https://pendulum-instruments.com/wp-content/uploads/2019/08/Pendulum-GPS-12R_GPS-12R-HS_GPS-Controlled-Frequency-Standards_rev17.pdf