Nokia RM-824 - Table of Contents

Table of Contents
Introduction........................................................................................................................................................... 6–5
Phone description ............................................................................................................................................ 6–5
Energy management............................................................................................................................................. 6–9
Battery and charging ....................................................................................................................................... 6–9
Normal and extreme voltages ........................................................................................................................ 6–9
Power key and system power up ................................................................................................................ 6–10
Modes of operation....................................................................................................................................... 6–10
Power distribution........................................................................................................................................ 6–11
Clock scheme.................................................................................................................................................. 6–12
Micro SIM interface............................................................................................................................................. 6–12
Device memory................................................................................................................................................... 6–14
WLAN/BT interface ............................................................................................................................................. 6–14
GNSS interface..................................................................................................................................................... 6–15
NFC interface....................................................................................................................................................... 6–15
MicroUSB.............................................................................................................................................................. 6–16
MicroUSB interface and charging................................................................................................................. 6–16
MicroUSB connector ...................................................................................................................................... 6–16
User interface...................................................................................................................................................... 6–17
Touch module................................................................................................................................................ 6–17
Proximity sensor and ambient light sensor ............................................................................................... 6–17
Imaging and video........................................................................................................................................ 6–17
Display module......................................................................................................................................... 6–17
Cameras..................................................................................................................................................... 6–18
Illumination ................................................................................................................................................... 6–19
Keypad interface............................................................................................................................................ 6–20
Accelerometer................................................................................................................................................ 6–20
Magnetometer............................................................................................................................................... 6–21
Gyroscope....................................................................................................................................................... 6–21
Audio concept..................................................................................................................................................... 6–22
Audio HW architecture.................................................................................................................................. 6–22
Internal earpiece........................................................................................................................................... 6–23
Internal handsfree (IHF) speaker................................................................................................................. 6–24
Internal microphones ................................................................................................................................... 6–24
External earpiece and microphone ............................................................................................................. 6–25
Vibra ............................................................................................................................................................... 6–25
AHJ connector ................................................................................................................................................ 6–26
Cellular RF technical description....................................................................................................................... 6–26
Frequency mappings.......................................................................................................................................... 6–27
GSM850 frequencies...................................................................................................................................... 6–27
GSM900 frequencies...................................................................................................................................... 6–27
GSM1800 frequencies.................................................................................................................................... 6–28
GSM1900 frequencies.................................................................................................................................... 6–28
WCDMA I (2100) frequencies ........................................................................................................................ 6–28
WCDMA II (1900) frequencies....................................................................................................................... 6–28
WCDMA V (850) frequencies ......................................................................................................................... 6–28
WCDMA VIII (900) frequencies...................................................................................................................... 6–29
LTE B1 frequencies ........................................................................................................................................ 6–29
LTE B3 frequencies ........................................................................................................................................ 6–29
LTE B7 frequencies ........................................................................................................................................ 6–29
LTE B8 frequencies ........................................................................................................................................ 6–29
RM-824; RM-825; RM-826
System Module
Issue 2 NOKIA INTERNAL USE ONLY Page 6 – 3
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