ALAN 78 MULTI evolves and becomes ALAN 78 PRO. This new car transceiver is based on the remarkable features of the previous model and adds some new features specially designed for professional drivers. The new Digital Squelch function in combination with the Noise Blanker filter offers even more pleasant listening to the user, digitally isolating all annoying external noises. In addition, it has 12V DC or 24V DC power supply.