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subsystem Module
WIFI connector
Crystal
oscillator
frequency
synthetsizer
antenna
coupler
2013-10-18
YU220 service manualV1.0
Unit
Wifi chip
Adopt to crystal
and
oscillator,
not
previous
warm
oscillator
External
antenna,
interior
connector
device,
antenna
fence
Power
coupler
device
Huawei secrets, no dispersion without permission
Function
RF signal transmission and reception. Including BT
+
WIFI module and
circuitry.
Adopt MT6627 chip complete
Local produce precision 26MHz reference
clock TCXOC;
Phone
offers a
built-in antenna, in
to complete
the
WCDMA and
bands. U8860-42 mobile
antenna comprising:
wifi
/
BT antenna,
antenna,
FM antenna(headset).
The
WCDMA power
power coupled in
part
detection performed.
the
external additional
order
communication, support
low frequency
phone
a
main antenna diversity
GPS antenna,
amplifier
output
to
the MT6166 power
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