---
product_id: 27052255
title: "Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter"
brand: "dosy"
price: "505493CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black
store_origin: SN
region: Senegal
---

# 3 simultaneous lighted meters 1.8-50 MHz frequency range 3 ft plug-in speaker lead Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter

**Brand:** dosy
**Price:** 505493CFA
**Availability:** ✅ In Stock

## Summary

> 📡 Measure Like a Pro, Lead Like a Trendsetter!

## Quick Answers

- **What is this?** Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter by dosy
- **How much does it cost?** 505493CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black)

## Best For

- dosy enthusiasts

## Why This Product

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

## Key Features

- • **Instant SSB Toggle:** Momentary toggle switch enables single side-band reading without voice interference—stay sharp and in control.
- • **Triple Meter Power:** Three 2.5-inch illuminated meters provide real-time simultaneous readings of SWR, AM modulation, and peak watts.
- • **Versatile Watt Ranges:** Three selectable watt ranges (0-10, 0-100, 0-1000) to cover all your power measurement needs with precision.
- • **Plug & Play Tone Generation:** Includes a 3-foot speaker lead for tone injection into the mic—no hard-wiring needed, hassle-free setup.
- • **Precision Frequency Mastery:** Accurately measures 1.8 to 50 MHz frequencies for AM, USB, and LSB modes—perfect for serious single side-band users.

## Overview

The Dosy TFB-3001-S is a professional-grade 3-meter in-line wattmeter designed for ham and amateur radio enthusiasts. Featuring a built-in frequency counter covering 1.8 to 50 MHz, three illuminated meters for simultaneous SWR, AM modulation, and peak watt readings, plus a convenient plug-in speaker lead for tone generation, it offers precise, hassle-free monitoring without hard-wiring. Ideal for single side-band users, it supports multiple watt ranges and includes a momentary toggle for clean SSB readings.

## Description

Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter

## Features

- "S" designates for single side-band users
- AM / USB / LSB Frequencies
- Includes 3 foot plug in speaker lead for tone generation in to mic
- For any radio without hard-wiring
- Allows Ham/Amateur users to accurately measure frequency in 1.8 MHz to 50 MHz range

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dosy |
| Brand | Dosy |
| Item Weight | 3.98 pounds |
| Package Dimensions | 11.46 x 8.58 x 7.6 inches |
| Item model number | 3001-S |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | TFB-3001-S TFB3001-S TFB3001S |
| Special Features | S-Designation for Single Side-Band Users |

## Product Details

- **Brand:** Dosy
- **Color:** Black
- **Number of Channels:** 50
- **Special Feature:** S-Designation for Single Side-Band Users
- **Frequency Range:** 1.8 MHz to 50 MHz
- **Water Resistance Level:** Water Resistant
- **Item Weight:** 4 Pounds
- **Included Components:** 3 foot plug in speaker lead, power pack
- **Compatible Devices:** Radios without hard-wiring
- **International Protection Rating:** IP44

## Images

![Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter - Image 1](https://m.media-amazon.com/images/I/41DHmfrQ5xS.jpg)

## Questions & Answers

**Q: How big is this unit?**
A: About 10” x 6”x6”

**Q: Is this for use on SSB only?**
A: The selector switch  has three positions. USB, LSB, and AM. In AM mode the selector switch is in the Middle. 73's Dave

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**Shop now:** [https://www.desertcart.sn/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black](https://www.desertcart.sn/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-17*