You searched for "parallel interface"
RS PRO
RS PRO AFG21105 Function Counter, 0.1Hz Min, 5MHz Max, FM Modulation, Variable Sweep - With RS Calibration
Part: 123-3609
Function counter and signal generator for frequency measurement and electronics troubleshooting.
BK Precision
BK Precision 4012A Function Generator, 0.5Hz Min, 5MHz Max, Variable Sweep - With RS Calibration
Part: BK4012A
Compact function generator for circuit testing from 0.5Hz to 5MHz.