Portable handheld frequency counter designed for professionals and hobbyists Key benefits Fast, reliable identification of continuous wave signals from radios and mobile phones, helping you confirm frequencies and troubleshoot RF issues quickly. Captures digital signals from GSM, CDMA and wireless remote controls, giving you one tool for multiple signal types. Simple one-control operation and automatic shut-off reduce handling time and help conserve power during field use. Foldable whip antenna and portable form factor deliver stable performance and easy transport when working on vehicles, radios or remote systems. Functions and compatibility Counts continuous wave (CW) signals from radios and mobile phones for frequency verification and alignment. Detects digital bursts and carrier activity generated by GSM and CDMA systems and many wireless remote controls. Works as a practical car walkie talkie frequency meter for on-the-go checks and maintenance. Design and usability Handheld, portable design for field and bench use; easy to carry and deploy where needed. One-control interface keeps operation straightforward for technicians and hobbyists alike. Automatic shut-off provides unattended power management and reduces battery drain. Foldable whip antenna ensures stable reception and convenient storage. Performance and reliability Built for dependable, repeatable measurements in professional and hobbyist environments. Rugged, straightforward construction focuses on practical use and long-term reliability. Typical use scenarios Install and align vehicle radios or walkie talkies: verify transmitted frequency and confirm antenna connections. Troubleshoot mobile-phone or radio interference: identify CW carriers and check for GSM/CDMA digital activity. Test wireless remote control transmitters: confirm signal presence and frequency to diagnose range or encoding issues. Who it’s for Field technicians, amateur radio operators, mobile-radio installers and hobbyists who need a compact, easy-to-use frequency counter for CW and common digital signals.