RF & Microwave

We calibrate oscilloscopes, frequency counters, and other radio frequency and microwave equipment to meet the needs of our partners in electrical testing and the armed services.

Laboratory Capabilities:

Oscilloscopes (up to 3GHz)
Frequency Counters (up to 3GHz)

Onsite Capabilities:

Oscilloscopes (up to 300MHz)
Frequency Counters (up to 300MHz)

We offer simplified onsite annual calibrations, quick turnaround times in our laboratory, and competitive prices. Whether it’s troubleshooting with your team over the phone, performing our nationwide calibration services, or repairing and retrofitting products, we strive to provide the highest level of service and support. Contact us today to learn how partnering with ETI can simplify your annual equipment calibration program.


Electrical Test Instruments, LLC
D/B/A ETI Precision
8430 Spires Way, Suite A
Frederick, MD 21701



Phone: 410-857-1880
Fax: 410-857-1387
Email us

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