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TinyGTC 7GHz ZC407 Frequency Counter with GPSDO, 40ps Resolution

Item #: 9SIVTEXM885598
Mfr. Part #: WUQ52KHSWV95ZE0

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What is TinyGTC? The TinyGTC is a portable high-precision dual-channel frequency counter and timer with a built-in GPS-disciplined oscillator (GPSDO). Featuring 40ps resolution for accurate frequency, phase and time interval measurements, it supports battery power and touch operation, making it ideal for ham radio calibration, SDR tuning, RF testing and electronics DIY projects
High-Precision Dual-Channel Frequency & Phase Measurement: Equipped with two independent high-resolution counter/timers with 40ps time resolution, measures frequency, phase, count and time intervals with accuracy up to 5e-12 per second; supports gapless interpolated reciprocal counting for stable results across 0.1Hz-7GHz (Channel A) and 0.1Hz-350MHz (Channel B)

Overview

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Built-in GPSDO with Multi-Reference Stability: Integrated GPS-disciplined oscillator (GPSDO) with premium TCXO delivers ADEV of ~1e-10 at 1-100s, automatically locks to GPS for excellent long-term frequency stability; supports external 10MHz reference input for calibration of SDR boards, signal generators and radio gear
Portable Battery-Powered Design with Intuitive Control: Built-in rechargeable 4000mAh battery for fully handheld field use; 4-inch responsive touchscreen plus a backup jog wheel for reliable operation in all conditions; compact form factor fits easily in toolkits, ideal for on-site antenna tuning and radio turning
Rich Analysis Functions & Flexible Data Export: Supports real-time charting, histogram, ADEV, FFT and FM deviation analysis directly on device; enables USB data logging, SD card storage and SCPI remote control for long-running measurements, fully compatible with TimeLab and professional analysis software
Complete Accessory Kit for Out-of-Box Use: Includes active GPS antenna, USB cable, 2x 30cm coax cables and SMA Tee; perfect for homebrew HF radio projects, oscillator calibration, SDR reference verification and general RF testing. We provide technical support and after-sales service to help you promptly resolve any issues encountered during use