Monnit ALTA Industrial Wireless Ultrasonic Sensor (900 MHz)Engineered for demanding industrial environments, the Monnit ALTA Ultrasonic Sensor delivers precise distance measurements without being affected by target surface, color, or texture. With 900 MHz wireless technology, auto calibration algorithms, and a rugged design, ALTA sensors empower operators across manufacturing, warehousing, water treatment, and process industries to monitor levels, detect objects, and automate processes with confidence.