The UvAC02 (Universal Vehicle Asset Communicator) from I.D. Systems Inc. features: ?' Advanced 2-way radio frequency (RF) transceiver with integrated programmable micro-computer for comprehensive wireless vehicle/fleet management functionality ?' Ultra-low power RF transmissions approved for use at US airports ?' Ideal for securing, controlling, tracking and managing all ground support equipment ?' Real-time GPS-based location tracking with "geo-fencing" to prevent operator entry into unauthorized areas ?' Provides autonomous vehicle security at all times, even when out of RF range ?' Weatherproof design; withstands harsh environments