Frequency Generator
GB4000 Generator
The most versatile 20 MHz sweep/function generator built for this application. 4.7W RF output, 2,000 programmable channels, and the only generator that runs up to 8 frequencies simultaneously without power degradation.
Specifications
Frequency range1 Hz – 20,000,000 Hz
Accuracy0.01 Hz · no drift
RF mode output4.7 watts
Audio mode output0.75 watts
RF carrierFixed crystal 3.1 MHz
Simultaneous audio2 to 8 (to 40,000 Hz)
Simultaneous RF2 (to 20,000,000 Hz)
Channels2,000 · 873 pre-loaded
Per channelUp to 48 frequencies
Output connections4 (competitors have 2)
WaveformsSine · square 10–100%
Gating1–5,000 Hz · 10–90%
Weight~2 lbs (0.9 kg)
Operating24/7 · no overheating
Why the GB4000?
Covers 1 Hz to 20 million Hz — most competitors top out at 400,000 Hz
Run 2–8 frequencies simultaneously — up to 8× faster than single-frequency instruments
4.7W output is 10–15× more powerful than most alternatives
4 output connections — double the standard
873 channels pre-loaded, ready to run out of the box
Full membrane keypad — instant access, no menu scrolling
PC software included for custom programming
Runs 24/7 without overheating
Free NZ phone support included
Want more power?
The SR4 amplifier increases output to 15W — 75× more powerful than most contact devices on the market.
See the GB4000 + SR4 Combo →Disclaimer: The GB4000 is a frequency generator and not a medical device. For educational purposes only.