SIM900A GSM / GPRS ATK-SIM900A Module Development Board

৳ 1,750.00 ৳ 1,650.00



SIM900A GSM / GPRS ATK-SIM900A Module Development Board

Working frequency: 900/1800Mhz; SIM900A module (development board) onboard resources as follows: GSM module: SIM900A; 1 x RTC backup battery; 1 x microphone interface; 1 x headphone jack; 1 x RS232 interface selection; 1 x RS232 serial port; 1 x lithium battery Interface; 1 x power input interface; 1 x power indicator (blue); 1 x power switch; 1 x clamshell SIM card; 1 x SMA antenna connector and antenna supporting small pepper; 1 x power on / off button; 1 x network status indicator (red); SIM900A modules were used for all IO port pin leads, easy to use; ATK-SIM900A module (development board) using industry-standard design, features include: Onboard RS232 serial port (supports hardware flow control), convenient and PC / IPC and other devices; Onboard 3.5mm headphone and microphone stand, to facilitate voice communication development; Leads all the IO port SIM900A modules, and communications section IO port compatibility design made for easy connection 3.3V / 5V SCM system; Onboard efficient synchronous buck circuit, the conversion efficiency up to 90%, support for wide voltage range (5~24V), ideal for industrial applications; Onboard power anti-reverse protection, TVS power protection and SIM ESD protection, the protection function; Board RTC backup battery (XH414H-IV01E), without worrying about the power-down problem; Onboard peppers antenna, can effectively improve the signal reception; Adoption of international A-level PCB material, immersion gold processing technology, stable and reliable; With a new component machining, copper plated pin, durable; Humanized design, each interface has silkscreen labels, use a glance; connector location and reasonable arrangements designed to facilitate smoothly. PCB size is 80 x 58mm, and with mounting holes, small and exquisite;



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