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GM01 Hardware Manual V1.0 6.1.2 SIM-Card-Holder A 100 nF capacitor shall be placed at SIM_VCC line next to the SIM-card-holder. A 56 Ohm series resistor shall be placed in the SIM_DIO line. A 100 Ohm series resistor shall be placed in the SIM_CLK line. Schematic example: A SIM-Card-Holder is available at BECK: Beck Order No.: 567529 (CHIP-GM-SIM01) FCI: 7111S1615A02LF Layout Suggestion: ©2009 BECK IPC GmbH Page 13