TFE-4/RV-1 Company Confidential
TF5 Technical Information Nokia Customer Care
Page 8a-8 Copyright © 2005 Nokia Corporation. Issue 2.0 Mar/2005
Company Confidential
PWBs
TF4 EB module is implemented in an eight layer PWB with low-CTE core and the nominal
thickness is 1.0 mm. FR4 build-up layers, micro vias, buried vias and selective OSP coat-
ing are utilized.
TF5 JB has 4 layers with standard FR4 technology.
Functional Description of Software
SW Features
TFE-4/RV-1 will implement the following main features:
• Drive-time optimized Car UI based on Jack3 monochrome
• Optimized input device including wheel allowing blind usage during drive time
• GPRS (General Packet Radio Service)
• Bluetooth remote SIM access support for zero hassle usage (Nokia 610/616 only)
• Support of BT headset
• Handsfree capabilities
• Voice commands and voice name tags over handsfree
Introduction
Figure 1: View of TFE-4/RV-1 Radio-Unit
TF-4 Engineboard
TF-5 Junctionboard
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