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EVB User Guide

M80_EVB_UGD_V1.0 - 17 -

3.5. Antenna interface

Figure 9: Antenna interface

3.6. Serial port and debug port

1-1

1-2

1-3

2-1

2-2 2-3

Figure 10: Auxiliary UART and Debug UART

Table 9: Pins of debug port

Pin

Signal

I/O

Description

Note

2_1

DBG_TXD

O

Transmit data

2_2

DBG_RXD

I

Receive data

2_3

GND

Ground

Quectel

Confidential

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 30 31

Quectel Cellular Engine 1
Confidential 10

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