{"product_id":"gsm-modem-module-sim900a-call-sms-gprs-rs232-ttl-i2c-mic-speaker-pins","title":"GSM Modem Module SIM900A – Call, SMS \u0026 GPRS, RS232\/TTL\/I2C, MIC \u0026 Speaker Pins","description":"\u003cp data-start=\"197\" data-end=\"410\"\u003eEasily add GSM communication capabilities to your projects with the SIM900A GSM modem module. It supports call, SMS, and GPRS functions, making it ideal for IoT, embedded systems, and communication applications.\u003c\/p\u003e\n\u003cp data-start=\"412\" data-end=\"700\"\u003eEquipped with MIC input, LINE input, and speaker output pins, the module provides flexible audio interfaces. Communication is supported via RS232, TTL, and I2C protocols for seamless integration with microcontrollers and development boards. An SMA antenna ensures reliable connectivity.\u003c\/p\u003e\n\u003cp data-start=\"702\" data-end=\"721\"\u003e\u003cstrong data-start=\"702\" data-end=\"719\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"722\" data-end=\"1013\"\u003e\n\u003cli data-start=\"722\" data-end=\"763\"\u003e\n\u003cp data-start=\"724\" data-end=\"763\"\u003eGSM modem module with SIM900A chipset\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"764\" data-end=\"806\"\u003e\n\u003cp data-start=\"766\" data-end=\"806\"\u003eSupports call, SMS, and GPRS functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"807\" data-end=\"857\"\u003e\n\u003cp data-start=\"809\" data-end=\"857\"\u003eMIC input, LINE input, and speaker output pins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"858\" data-end=\"909\"\u003e\n\u003cp data-start=\"860\" data-end=\"909\"\u003eCommunication via RS232, TTL, and I2C protocols\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"910\" data-end=\"957\"\u003e\n\u003cp data-start=\"912\" data-end=\"957\"\u003eSMA antenna for stable network connectivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"958\" data-end=\"1013\"\u003e\n\u003cp data-start=\"960\" data-end=\"1013\"\u003eIdeal for IoT, embedded, and communication projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"New Store","offers":[{"title":"Default Title","offer_id":51985678467348,"sku":null,"price":799.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/0171\/9316\/files\/59.webp?v=1771841048","url":"https:\/\/shopmasthi.in\/products\/gsm-modem-module-sim900a-call-sms-gprs-rs232-ttl-i2c-mic-speaker-pins","provider":"Shopmasthi","version":"1.0","type":"link"}