Only For Training And Service Purposes - LG L705i Service Manual

3. TECHNICAL BRIEF
3.8.3. GSM features
The following GSM modes and data rates are supported by the MSM6280 device hardware.
Support modes conform to release '99 specifications of the sub-feature.
■ Voice features
❑ FR
❑ EFR
❑ AMR
❑ HR
❑ A5/1, A5/2, and A5/3 ciphering
■ Circuit-switched data features
❑ 9.6k
❑ 14.4k
❑ Fax
❑ Transparent and non-transparent modes for CS data and fax
❑ No sub-rates are supported.
3.8.4. GPRS features
■ Packet switched data (GPRS)
❑ DTM (Simple Class A) operation
❑ Multi-slot class 12 data services
❑ CS schemes: CS1, CS2, CS3, and CS4
❑ GEA1, GEA2, and GEA3 ciphering
■ Maximum of four Rx timeslots per frame
3.8.5. MSM6280 device audio processing features
■ Integrated wideband stereo CODEC
❑ 16-bit DAC with typical 88 dB dynamic range
❑ Supports sampling rates up to 48 kHz on the speaker path and 16 kHz on the microphone path
■ VR- Voice mail + voice memo
■ Acoustic echo cancellation
■ Audio AGC
■ Audio Codecs: AMR-NB, AAC, AAC Plus, Enhanced AAC Plus, Windows Audio v9, Real Audio 8
(G2)
■ Internal vocoder supporting AMR, FR, EFR, and HR
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Only for training and service purposes