Table 9. WWAN module (For 4G LTE enabled systems) (continued)
Feature Specifications
Antenna connector
● WWAN Main Antenna X 1
● WWAN Diversity Antenna X 1
Audio
Table 10. Audio specifications
Feature Specifications
Controller
Dialog DA7219
Stereo conversion
Supported
Type
High Definition Audio
Speakers
2
Internal Interface
I2S
External Interface Digital microphone input on camera module
Headset combo jack (stereo headphones/microphone-in)
Internal speaker amplifier
Supported
External Speaker Amp
MAX98357A
External volume controls
Supported
Speaker output:
● Average - 2 W
● Peak - 2.5 W
Subwoofer output
Not supported
Microphone
Supported
Storage
Table 11. Storage specifications
Type Capacity MMC Interface Voltage
eMMC 16 GB eMMC V5.1 3.3 V
eMMC 32 GB eMMC V5.1 3.3 V
Keyboard
Table 12. Keyboard specifications
Feature Specifications
Number of keys
● 74 (U.S. and Canada)
● 75 (UK)
Technical specifications 13
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