---
product_id: 31716302
title: "20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V"
brand: "smtmax"
price: "R$7641"
currency: BRL
in_stock: true
url: https://www.desertcart.com.br/products/31716302-20-mhz-function-generator-20-frequency-counter-zapper-110v
store_origin: BR
region: Brazil
---

# 20MHz Speed LED Display 5-Digit Counter 20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V

**Brand:** smtmax
**Price:** R$7641
**Availability:** ✅ In Stock

## Summary

> ⚙️ Power Up Your Projects with Precision!

## Quick Answers

- **What is this?** 20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V by smtmax
- **How much does it cost?** R$7641 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/31716302-20-mhz-function-generator-20-frequency-counter-zapper-110v)

## Best For

- smtmax enthusiasts

## Why This Product

- Trusted smtmax brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Affordable Innovation:** High performance without breaking the bank.
- • **Unleash Your Creativity:** Craft complex waveforms with ease!
- • **User-Friendly Interface:** Bright LED display for effortless monitoring.
- • **Precision at Your Fingertips:** 5-digit frequency counter for accurate measurements.
- • **Versatile Waveform Generation:** Sine, Square, Triangle - the choice is yours!

## Overview

The 20 MHz Function Generator is a versatile tool designed for engineers and hobbyists alike, featuring multi-waveform capabilities, a precise 5-digit frequency counter, and a user-friendly LED display, all at an unbeatable price.

## Description

Main Features: -Sine, square, triangle waves and pulse. -Internal linear and logarithm sweeping, FM, AM, FSK modulations; External FM, AM. -Digital frequency display and frequency counter Specifications: Frequency range: 0.2Hz~20Mhz Waveforms: sine, square, triangle, pulse waves Output impedance: 50 Ωhms Output voltage: 1mVp-p~10Vp-p at 50 Ω, 1mVp-p~20Vp-p at 1M Ω, 20Vp-p Output modes: single frequency, sweeping Symmetric: 20%~80% DC offset: -5V~+5V TTL output: "1" >+3V, "0" <0.8V TTL output impedance: 600 Ω TTL waveform: pulse Frequency counter: 0.2Hz~20Mhz Power: 110V, 60Hz, 30W (Can switch on back side to 220 volts) Size: 265x215x90(mm) Working temperature: 0~40C Average stability: 0.5%, max fluctuation may reach 1.5% at some frequencies Function output levels: 0dB, 1Vp-p~10Vp-p, 10% accuracy, 20dB, 0.1Vp-p~1Vp-p, 10% accuracy, 40dB, 10mVp-p~100mVp-p, 10% accuracy, 60dB, 1mVp-p~10mVp-p, 10% Waveform distortions: sine: <1%, triangle linearity: >90%, Square: <5% at 10kHz, 5Vp-p, rising time<17nS Front Panel Controls: GATE: Every flash indicates the completion of a measurement SYM: output signal symmetry adjustment FREQUENCY: frequency range SWEEP/COUNTER: selection of function output, sweeping or counter mode FUNCTION SIGNAL OUTPUT: output level selection WIDTH: sweeping range adjustment RATE: sweeping time adjustment WAVE: selection of output waveforms AMPL: output amplitude adjustment OFFSET: output signal offset adjustment FILTER: input low pass filter, used in frequency counter mode 20dB: input attenuation, used in frequency mode

## Features

- LSI and MCU circuit design
- Multi waveforms: Sine/Square/Triangle, etc.
- With 5 digit frequency counter(up to 20MHz)
- LED display, amplitude 3 digit and frequency 5 digit
- High performance, low cost

## Images

![20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V - Image 1](https://m.media-amazon.com/images/I/41H-H2LIEDL.jpg)
![20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V - Image 2](https://m.media-amazon.com/images/I/5148X6CyyoL.jpg)
![20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V - Image 3](https://m.media-amazon.com/images/I/41bb8vfC5xL.jpg)
![20 MHZ FUNCTION GENERATOR/20 FREQUENCY COUNTER/ZAPPER 110V - Image 4](https://m.media-amazon.com/images/I/41j75Q9PMVL.jpg)

## Questions & Answers

**Q: Could be use for health as Hulda Clark and dr. Rife used it?**
A: Yes

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**Shop now:** [https://www.desertcart.com.br/products/31716302-20-mhz-function-generator-20-frequency-counter-zapper-110v](https://www.desertcart.com.br/products/31716302-20-mhz-function-generator-20-frequency-counter-zapper-110v)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-20*