SF401 Plus Portable Handheld Frequency Counter for Walkie Talkie, Frequency: 27MHz-3000MHz

The SF401 Plus Portable Handheld Frequency Counter is designed to measure the frequency parameters of continuous carrier signals from walkie-talkies. It is suitable for use with VHF/UHF walkie-talkies and provides a signal strength indicator for accurate readings.

• Frequency range: 27MHz - 3000MHz
• Frequency response time: 0.2 - 0.5 seconds (CTCSS/CDCSS > 0.5 - 1 second)
• Signal strength indicator
• 240 x 320 pixel color LCD display
• Control: 4-button interface
• Auto power off: 1 - 9 minutes
• Operating frequency: TCXO (crystal) Oscillator 2 - 2.5 ppm
• Digital select: 0.000 or 0.0000
• Compact and portable design