Electromagnetic field detectors and radiomonitoring
The device is a broadband radio frequency detector, intended for detecting radio transmitting devices with different types of modulation, including digital one.
The SEL SP-77/2M detector has 4 operation modes:
1. Search mode with audible, light and vibro indication. 2. Pulse transmitters search mode (to search for digital transmitters and mobile phones of GSM, DCS1800 and DECT standards). 3. Watchdog mode. 4. Acoustic feedback mode.