LTE Module Series
M.2 EVB User Guide
M.2_EVB_User_Guide 10 / 37
Audio
J302
Used for earphone
Used to test the analog audio function of the module
J303 (bottom side)
Used for handset
Used to test the analog audio function of the module
J301
Codec board interface
(U)SIM
J401 (bottom side)
(U)SIM card connector 1
J402 (bottom side)
(U)SIM card connector 2
(Not applicable to EM05 module)
COM Port
J201 (bottom side)
Debug UART port (only for internal debugging by Quectel)
Status Indication
LEDs
D101,
D102,
D103
D101 (Power ON/OFF indicator) is used to indicate power
ON/OFF status of the EVB
D102 is used to indicate whether RF is capable of
transmitting
D103 is used to indicate a URC reporting which could wake
up the module
M.2
J501
M.2 standard connector for the module
Switches
S701
Switch for controlling EM05 or EM06 module
Connectors
J501
J801, J802
J501 is M.2 module connector
J801 and J802 are reserved for future use
Test points
J202, J502-J505,
J601-J604
Test pins
