Circuit Specialists carries everything from affordable handheld universal frequency counters to professional-grade handheld field strength analyzer/frequency counters for your testing requirements. Our frequency counters (sometimes called cymometers) range from 0.1Hz-150MHz all the way up to 3.0GHz. Browse our large selection of desktop frequency counters. Our store also stocks the professional-grade UBA-9290 handheld RF field strength analyzer, which is tailored to RF technicians' needs.