Quectel GSM Series Audio Design Manual page 6

GSM/GPRS Modules
GSM Module Audio Design Guide
Table Index
TABLE 1： AUDIO HARDWARE CONFIGURATION ......................................................................................... 9
TABLE 2： REFERENCE DOCUMENT ........................................................................................................... 35
TABLE 3： DESCRIPTION OF ECHO AND TDD NOISE ................................................................................ 35
GSM Module Audo Design Guide Confidential/Release
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