وحدة التمديد اللاسلكية SIM900A V4.0 لوحة GSM GPRS مع مجموعة الهوائي

الميزات الأساسية

• Onboard two sets of power interface VCC5 5V power supply, VCC4 interface,
• 8-5.2V power supply, optional power supply self-start (default) and control start.
• Onboard SMA (default) and IPXmini antenna interface, SIM900A interface retains reset.
• The size of the module is 49 * 50mm, all new and original equipment.
• The computer can power the early computer debugging USB module, and there is a very large amount of data under the recommended current of more than 1A.
• You can set up dozens of MA data in standby to provide 10MA low power sleep and sleep.