User ManualTable of ContentsContents3Tables4Figures51 Introduction61.1 Related Documents61.2 Terms and Abbreviations61.3 Regulatory and Type Approval Information91.3.1 Directives and Standards91.3.2 SAR requirements specific to portable mobiles111.3.3 SELV Requirements121.3.4 Safety Precautions122 Product Concept142.1 Key Features at a Glance142.2 AHS3-US System Overview173 Application Interface183.1 Operating Modes193.2 Power Supply203.3 USB Interface213.4 Serial Interface ASC0223.5 UICC/SIM/USIM Interface243.6 Analog Audio Interface263.7 Pulse Code Modulation Interface (PCM)264 GPS Receiver275 Antenna Interfaces285.1 GSM/UMTS Antenna Interface285.1.1 Antenna Installation295.2 GPS Antenna Interface306 Mechanics326.1 Mechanical Dimensions of AHS3-US327 Sample Application348 Reference Approval368.1 Reference Equipment for Type Approval368.2 Compliance with FCC and IC Rules and Regulations379 Appendix389.1 List of Parts and Accessories38Size: 493 KBPages: 39Language: EnglishOpen manual