Soberlink. Today’s active life styles require portable solutions. Soberlink SL2 is an innovative, handheld, cellular testing device for secure portable alcohol monitoring.This one-piece device transmits breath test results and client violations in real-time, making it more efficient and effective than other devices in the market.Soberlink takes a picture of the participant during the breath test to verify identity.The BAC result, real-time photo and GPS location is instantly transmitted from the device to the secure web portal for supervision to review.his one-piece device transmits breath test results and client violations in real-time, making it more efficient and effective than other devices in the market. Soberlink takes a picture of the participant during the breath test to verify identity.