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📶 Stay ahead of the signal curve with Surecom SF401 Plus — your pocket-sized frequency guru!
The Mcbazel Surecom SF401 Plus is a compact, portable frequency counter designed for two-way radio maintenance and wireless enthusiasts. It measures frequencies from 27MHz to 3000MHz with ±2-4ppm accuracy using a temperature-compensated crystal oscillator (TCXO). Featuring CTCSS/DCS decoding, a signal strength indicator, and a user-friendly 4-button interface with a color LCD, it supports quick, precise field testing. Powered by a built-in Li-ion battery with USB charging and weighing just 91g, it’s optimized for professionals needing reliable, on-the-go frequency analysis.









| ASIN | B01D86RR0S |
| Best Sellers Rank | 148,102 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2,291 in Electrical Testing |
| Box Contents | SF401 Plus Frequency Counter, UHF Antenna, User Manual, USB charger cable, USB AC adapter |
| Brand Name | Surecom |
| Colour | Black |
| Compatible Devices | Two-way radios (27MHz-3000MHz) with CTCSS/DCS decoding, Surecom devices, compatible accessories (headsets, earpieces, external antennas) |
| Connectivity Protocol | CTCSS/DCS |
| Customer Reviews | 4.2 4.2 out of 5 stars (555) |
| Item Dimensions D x W x H | 183D x 49W x 124H millimetres |
| Item Weight | 0.2 Pounds |
| Manufacturer | Surecom |
| Manufacturer Part Number | SF401 |
| Model Number | SF-401 PLUS |
| Number of Batteries | 1 Lithium Metal batteries required. (included) |
| Number of Channels | 2 |
| Number of Packs | 1 |
| Product Features | Signal Strength Indicator, CTCSS/DCS Decoder, Portable, User-Friendly, Durable (IP66) |
| Talking Range Maximum | 35 Mile |
| Tuner Type | UHF, VHF |
| UPC | 049008695788 |
| Unit Count | 1 count |
| Voltage | 5 Volts |
| Water Resistance Level | Not Water Resistant |
| Waterproof Rating | IP66 |
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