GSM sheild pins not labeled.


Can some one help me with finding the correct pins for the arduino Uno. I have bought this new GSM shield. I will add photos and description below. Please help me.

Thank you.

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Product Description

Operating Voltage : 5V
Frequency : 900-1800 MHz
Stand by Current : < 10 mA
Working Current : < 80 mA
Baud : 9600 default (Adjustable)
Interface : TTL
Commands : Regular AT commands
Functions : Send and receive SMS messages and GPRS data