Hands Free

The Hands free Kit provides the hardware components which enable the voice capabilities and features of the SilverStar family units. The Hands free Kit allows the driver to communicate with assistance representatives, and Control Center (CC) operators to follow developments in the driver cabin in the event that one of the buttons designated for this function was pressed. The Hands free device allows for full duplex voice connectivity via microphone and speaker (the speaker volume can be adjusted by the driver). The user may initiate, answer and disconnect calls via a service button (the destination of a call initiated hands-free is a predefined number). The user can also initiate a panic call to a predefined number (CC) using the panic button. PlexiTech Technologies Pvt. Ltd (022) 4212 9000 | www.sstracking.com | support@sstracking.com How does it work? The SilverStar unit controls the transmission of voice from the vehicle to the GSM network, and vice verso. It converts the analog electronic signal used for the speaker and microphone to the GSM standard and vice versa. The SilverStar unit controls the voice characteristics like ringer volume, speaker volume and microphone gain, and the unit is also responsible for echo canceling, which is essential in full-duplex communication. The analog signals are transferred to / from the Hands free module via the harness. The analog signals are further filtered and amplified by the harness module.The voice circuits of the Hands free module and the SilverStar unit are optimally matched, providing best voice volume and quality.The speaker and microphone are connected to the Hands free module via their cables.