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SIM900 Four Frequency GSM GPRS Development Board Mobile Development Board with Voice Interface Antenna
Description:
1. Onboard SIM900 with four frequency and highly integrated GSM/GPRS module;
2. Onboard LM2596 with super-power power supply chip, powerful enough to guarantee module working stable for a long time;
3. On-board flip SIM gets stuck, easy loading and unloading SIM card;
4. On-board terminals or DC power supply (the default terminal), input voltage: 7.5V-12V;
5. Onboard audio interface and microphones, convenient for user to do the call testing;
6. Onboard UART interface, meet different user requirements;
7. Onboard three LED lights: power light, signal lights, LED indicator of incoming calls;
8. PCB size: 68.5 (mm) x38.5 (mm)
Package included:
1XSIM900 GSM GPRS Development Board
