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📡 Stay ahead on the frequency frontier — never miss a signal!
The SF401 Plus is a portable, high-precision frequency counter meter designed for professionals working with two-way radios. Covering a broad frequency range from 27MHz to 3000MHz, it features a temperature-compensated crystal oscillator for ±2 to ±4ppm accuracy, a signal strength indicator, and built-in CTCSS/DCS decoding. Lightweight and user-friendly, it’s the essential tool for field technicians and radio enthusiasts demanding reliable, on-the-go frequency measurement.
| ASIN | B01NA0957P |
| Batteries | 1 AA batteries required. |
| Best Sellers Rank | #64,362 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Frequency Counters |
| Brand | Surecom |
| Customer Reviews | 4.3 4.3 out of 5 stars (319) |
| Date First Available | February 6, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.84 ounces |
| Item model number | 4350441046 |
| Manufacturer | Surecom |
| Manufacturer Part Number | 4350441046 |
| Package Dimensions | 7.72 x 6.61 x 1.93 inches |
| Special Features | Portable |
| Voltage | 1.5 Volts |
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