CCopyright © 2001. Nokia Mobile Phones. All rights reserved.Nokia 6090 technical information 5System connectorDSUB-9RFTransceiverRS 232 to PC or tocompatible externaldeviceAntennaHandsetCradleCar batteryIgnition (IGN)Car-radio mute (CRM)Antenna Motor Control (AMC)Backlight dimming (BLD)MicrophoneLoudspeakerLine outFor installation, please refer to installationguide (included in user manual)Figure 1: System overview of Nokia 6090The transceiver is the main part of the Product; it contains the GSM radio part. Its has 3connectors:1 System connector (powersupply, car signals, audio signals, handset interface)2 RF connector (to GSM antenna, note a mini UHF adapter may be needed)3 Data Connector (to a compatible PC or any other compatible device)