• 31.15 Telephony2
• 31.20 Fleet management system/positioning3
• 31.25 Radiophone/radio data transmission/fax3
• 31.27 Intercom system1
• 31.30 Instrument cluster/onboard computer31
• 31.35 Tachograph/toll system31
• 31.50 Display6
• 31.65 Radio13
• 31.67 Media playback/data medium2
• 31.80 Antenna/antenna amplifier2