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The SF401 Plus Portable Handheld Frequency Counter measures the frequency of continuous carrier signals from walkie-talkies. It is designed for counting continuous wave signals from two-way radios.
Frequency range: 27MHz-3000MHz
Measures frequency of continuous carrier signals
Signal strength indicator
Easy range selection covering most two-way radio frequencies
Four-button control for all functions
Portable size for easy carrying
Works by TCXO (crystal) Osc. 2~2.5ppm
Use for VHF/UHF walkie-talkies
Auto power off after 1-9 minutes
Frequency response time: 0.2-0.5s (CTCSS/CDCSS>0.5-1s)
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