OPUS A3s The OPUS A3s offers you all the possibilities of the OPUS A3eco, but with even more useful features. The A3s version allows the user to implement a variety of different user interfaces with ease. The unit also includes an encoder, eight softkeys and three hardkeys. The multi-color LED is supplemented by three additional LEDs. The full-speed USB 2.0 input on the front is best suited to high-speed data exchange and is positioned in the casing of the unit for maximum protection against the elements. CANbus ports for fast operation, an acoustic alarm with up to 65 dBA output. A powerful 32-bit, 532 MHz processor offers outstanding performance. This is supported by 128 MB of RAM and 512MB FLASH, plus 32 KB of serial EEPROM. Ex stock 100 units available.