









📡 Stay ahead on every frequency — decode, measure, and dominate the airwaves!
The SURECOM SF401 Plus is a compact, handheld frequency counter designed for radio transceiver enthusiasts and professionals. Covering an extensive 27MHz to 3000MHz range, it features a high-precision TCXO oscillator, CTCSS/DCS decoding, and a vibrant color display. Powered by a built-in rechargeable Li-ion battery and controlled via an intuitive four-button interface, it offers reliable, portable frequency measurement for VHF, UHF, HAM, and DMR radios.
| Manufacturer | HKSUNKIN |
| Brand | HKSUNKIN |
| Item Weight | 8.4 ounces |
| Product Dimensions | 2.3 x 3.1 x 1 inches |
| Item model number | SF401 |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 9999999919 |
| Special Features | Wireless |
| Voltage | 3.7 Volts |
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