--- product_id: 27052255 title: "Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter" brand: "dosy" price: "B/.1255" currency: PAB in_stock: true category: "Dosy" url: https://www.desertcart.com.pa/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black store_origin: PA region: Panama --- # 3 simultaneous lighted meters 1.8-50 MHz frequency range 3 selectable watt ranges Dosy TFB-3001-S 3 Meter in-Line Wattmeter with Black Meters & Frequency Counter **Brand:** dosy **Price:** B/.1255 **Availability:** ✅ In Stock ## Summary > 📡 Power your signal with precision and style! ## 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?** B/.1255 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/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 - • **Triple Meter Power:** Three 2.5-inch illuminated meters provide real-time SWR, AM modulation, and peak watt readings simultaneously. - • **Versatile Watt Ranges:** Choose from 0-10, 0-100, or 0-1000 watt scales to match your power needs with precision. - • **Plug & Play Convenience:** No hard-wiring needed—includes 3-foot speaker lead for tone generation, perfect for quick setup. - • **Built for the Serious Ham:** S-designation tailored for single side-band users with momentary toggle for voice-free readings. - • **Precision Frequency Mastery:** Accurately measures 1.8 to 50 MHz frequencies for AM, USB, LSB modes—never miss a signal. ## Overview The Dosy TFB-3001-S is a professional-grade 3-meter in-line wattmeter featuring a built-in frequency counter covering 1.8 to 50 MHz. Designed for single side-band users, it offers three illuminated meters for simultaneous SWR, AM modulation, and peak watt readings. With three selectable watt ranges and a plug-in speaker lead for tone generation, it enables quick, no-hardwire installation, making it an essential tool for ham and amateur radio enthusiasts seeking accurate, real-time signal monitoring. ## Description BUILT-IN Frequency Counter! "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 Momentary toggle allows for single side-band reading without voice Allows Ham/Amateur users to accurately measure frequency in 1.8 MHz to 50 MHz range Three 2 1/2 inch lighted Meters Simultaneous readouts on all 3 meters Measures SWR Measures AM Modulation Reads Peak Watts Three Watt Ranges: 0 - 10, 0 - 100, and 0 - 1000 Power Pack Included DOSY Text Book Architecture ## 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 | |---------------|-------| | ASIN | B01D950XWC | | Additional Features | S-Designation for Single Side-Band Users | | Best Sellers Rank | #202 in Fixed-mount CB Radios | | Brand | Dosy | | Built-In Media | 3 foot plug in speaker lead, power pack | | Color | Black | | Compatible Devices | Radios without hard-wiring | | Customer Reviews | 3.9 3.9 out of 5 stars (26) | | Frequency Range | 1.8 MHz to 50 MHz | | Item Weight | 4 pounds | | Manufacturer | Dosy | | Mfr Part Number | TFB-3001-S TFB3001-S TFB3001S | | Model Number | 3001-S | | Number of Channels | 50 | | Number of Packs | 1 | | Talking Range Maximum | 1.6 kilometer | | Tuner Type | UHF | | UPC | 738283928376 | | Unit Count | 1 Count | | Water Resistance Level | Water Resistant | | Waterproof Rating | IP44 | ## Product Details - **Brand:** Dosy - **Color:** Black - **Compatible Devices:** Radios without hard-wiring - **Frequency Range:** 1.8 MHz to 50 MHz - **Included Components:** 3 foot plug in speaker lead, power pack - **Item Weight:** 4 pounds - **Number of Channels:** 50 - **Special Feature:** S-Designation for Single Side-Band Users - **Talking Range Maximum:** 1.6 kilometer - **Water Resistance Level:** Water Resistant ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black](https://www.desertcart.com.pa/products/27052255-dosy-tfb-3001-s-3-meter-in-line-wattmeter-black) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-10-11*