As intercom SL-400, with the additional possibility to connect a cellphone for communications through your headset e.g. in the event of a radio failure. Cellphone connects to intercom via cable with 2,5 mm stereo plug (included), you will need adapter from 2,5 mm stereo plug to cellphone jack (contact your local GSM phone dealer).
Note: we do not promote or advise the use of the GSM phone during flight.