Blu Life Play X, Руководство по обслуживанию

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2.2.4.10 GPS
Circuit
The GPS Circuit integrated in MTK6628Q, It includes baseband, RF unit, power, UART interface
system configuration. Its sensitivity supports 165dBm, supports AGPS.
The GPS’S RF interface is connected with external antenna. The ANT is receiving GPS satellite
signal to achieve positioning. GPS and BT share the same ANT. We switch GPS signal by the
switch U1505, then through a narrowband filter U1603 (OPTION) into GPS chip.
2.2.4.11 M-sensor
Circuit
M-SENSOR is a electronic compass, it supports X, Y, Z three-axis orientation sensor. M-SENSOR
uses I2C to connect CPU interface, in order to transmit directives and data.