RIDGID 19238 NaviTrack Scout Locator, Underground Pipe Locator and Underground Cable Location Device Multi-directional antenna technology sees the entire signal all of the time - maximize the signal strength to find the target pipe, sonde, or energized line Underground pipe locator verifies position using a micro-mapping display to mark distinctive poles in front of and behind the target, ensuring an accurate locate When using as underground cable locator or pipe locator, the Navitrack Scout automatically calculates and displays depth when oriented over the target. Meets FCC Class B and EN 55022 Class B - operates in these standard frequencies: Sonde - 16 Hz, 512 Hz, 640 Hz, 874 Hz and 33 kHz; Line Trace - 128 Hz, 1 kHz, 8 kHz and 33 kHz; Passive AC Line Trace - 60 Hz, 50 Hz Ideal when locating using SeeSnake inspection camera reels, other sondes, and those who occasionally locate energized lines