Monitoring device

A wireless and cellular vibration monitoring device comprising a connection structure suitable for attaching the monitoring device to equipment to be monitored, wherein the monitoring device comprises a temperature sensor and a vibration sensor configured to remotely monitor vibration and temperature transferred to the monitoring device via the connection structure, wherein the device comprises an integrated satellite-based radio-navigation system for location detection, wherein the monitoring device comprises a base comprising a body portion and a first threaded portion constituting the connection structure, wherein the first threaded portion comprises threads and protrudes from the body portion of the base, wherein the temperature sensor is thermally connected to the body portion of the base, and wherein a shell is configured to seal against the base and hermetically enclose a space inside the shell so that no air can leave or enter the monitoring device.