Usado frequency counters en California, USA

GW Instek GFC-8131H 8 Digits LED Digital Display Frequency Counter, 0.01Hz to 1.3GHz Frequency Range

• Fabricante: GW Instek

GW Instek GFC-8270H 8 Digits LED Digital Display Frequency Counter, 0.01Hz to 2.7GHz Frequency Range

• Fabricante: GW Instek

GW Instek GFC-8010H 8 Digits LED Digital Display Frequency Counter, 10Hz to 120MHz Sensitivity Range

• Fabricante: GW Instek

Hewlett Packard HP 53131A Universal Counter 225 MHz

• Fabricante: HP

Gama de frecuencias: Canales 1 y 2: 225 MHz / Canal 3: 100 MHz- 3 GHz | Mpn: 53131A