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Since 1988, GuideTech has been the leading innovator of TIA and CTIA Continuous Time Interval Analyzer and high-precision frequency counter instruments, delivering superior performance at over a thousand installations worldwide.

GuideTech pioneers precision with cutting-edge metrology solutions that redefine measurement accuracy.
Empowering innovation across industries, we deliver the technology that shapes tomorrow.

Computer sound card with various ports and electronic components.

GT 658PCI

PC-Based Time Interval Analyzer

GuideTech’s GT658PCI is an ultra-fast, high resolution, DC – 400 MHz Time Interval Analyzer (TIA)

Front view of the GuideTech GTB1684 14.5Gb/s quad PBERt test instrument showing multiple BNC connectors for video and audio signals, with labels for input, output, sync, and error indicators.

GTB1684

Bit Error Ratio Testing System

14.5Gbps, 4-Channel BERT system

Brochure-sized computer circuit board with various chips, connectors, and a metal shield, primarily blue in color.

GT 668

PC-Based Time Interval Analyzer

‘CTIA’ Continues Interval Analyzer

PCI, PCIe, PXI, PXIe

Industrial electronic device with a touchscreen display showing a graph, labeled 'GuideTech GT880 NET TIME SCOPE,' with various ports and connectors on the right side.

GT888

Net time scope

14.5Gbps, 4-Channel BERT system

Blue computer sound card with various electronic components and connectors.

GT 200/210

Frequency counters

GuideTech GT9000 electronic test instrument with a touchscreen display showing graphs and data, and multiple yellow components with black markings on the right side.

GT9000

Frequency counters

Scalable CTIA and/or TIC Test Platform