Quectel L80 EVB Guía de usuario descargar pdf (Pagina 18)

UMTS/HSPA

UC20 EVB User Guide

UC20_EVB_User_Guide Confidential / Released 17 / 25

2. The other pins are reserved.

3.3. SIM Card Interface

The UC20 EVB_V1.01 has two integrated SIM card interfaces. But SIM2 is reserved. A suitable SIM card

(3V or 1.8V) is required to start UC20 module. The SIM card holder J502 placed on the UC20

_EVB_V1.01 is from type Molex. Figure 5 shows the simplified interface schematic.

SIM Card Holder

J502

B2B Connector

J101

Figure 6: SIM1 Interface

Figure 7: Molex SIM Card Holder

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Quectel L80 EVB Guía de usuario Pagina 18