On board two power supply interface VCC5 5 V VCC4 interface 3.5 power supply. 4.5 V optional power supply of envelope that (default) and control to start
On board SMA (default) and IPXmini antenna interface SIM900A reserved interface reset?
The size of the module is 49 * 50, all the new and original device.
The computer can provide the power supply of the USB debugging module of the computer,
A large amount of data under the recommended current condition more than 1 A.
Dozens of waiting MA data can be configured to provide
Rest, rest of 10 ma of low power. Support 2, 3.4G mobile phone card.
Serial port circuit: compatible with 3.3 V single-chip microcomputer
Microcomputer with single chip TTL serial port support3.3 and 5 V.
The circuit SIM card to increase the SMF05C ESD chip
Antenna circuit: guarantees a short and straight, to guarantee the strength of the signal.
PCB screen printing brand: each interface, practical development twice,
The SIM900 / hardware is completely still in the design when the manual design
Two power supply interface: VCC5 5 V DC above 1A!
The power supply of the 5 V computer can be the first USB in the computer.
Largest DC long data circuit recommended 5V1A.
VCC4 3.5. 4.5 V Ibid power supply suitable for lithium battery
Control Pin all cables.
A TTL level, compatible with 3.3 V and 5 V.
The interface of two antennas, the straight head SMA predetermined, the connector for the IPXmini antenna.
A form of speech interface, the way it exchanges the microphone.
The control interface of each pin Description:
GND-GNDSIMR SIM900A RXD TTL level
It can not be directly connected to the 232 levelSIMT SIM900A TXD TTL level
It can not be connected directly to the 232 levelRST-SIM900A reset
Active lowVCC_MCU when the SIM900A module and 5V level TTL communication
This pin is connected to DC 5 V;
When the communication level of SIM900A and 3.3V TTL ...
This pin is connected to DC 3.3 V.
VCC5 ---- DC 5 V input?
VCC4 ------ DC3.5--4.5 input
Integrated resources: serial port circuit (with protection)
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{"id":1666992341064,"title":"SIM900A 1800\/1900 MHz Wireless Extension Module GSM GPRS Board","handle":"sim900a-1800-1900-mhz-wireless-extension-module-gsm-gprs-board","description":"\u003cdiv style=\"display: inline !important;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOn board two power supply interface VCC5 5 V VCC4 interface 3.5 power supply. 4.5 V optional power supply of envelope that (default) and control to start\u003c\/li\u003e\n\u003cli\u003eOn board SMA (default) and IPXmini antenna interface SIM900A reserved interface reset?\u003c\/li\u003e\n\u003cli\u003eThe size of the module is 49 * 50, all the new and original device.\u003c\/li\u003e\n\u003cli\u003eThe computer can provide the power supply of the USB debugging module of the computer,\u003c\/li\u003e\n\u003cli\u003eA large amount of data under the recommended current condition more than 1 A.\u003c\/li\u003e\n\u003cli\u003eDozens of waiting MA data can be configured to provide\u003c\/li\u003e\n\u003cli\u003eRest, rest of 10 ma of low power. Support 2, 3.4G mobile phone card.\u003c\/li\u003e\n\u003cli\u003eSerial port circuit: compatible with 3.3 V single-chip microcomputer\u003c\/li\u003e\n\u003cli\u003eMicrocomputer with single chip TTL serial port support3.3 and 5 V.\u003c\/li\u003e\n\u003cli\u003eThe circuit SIM card to increase the SMF05C ESD chip\u003c\/li\u003e\n\u003cli\u003eAntenna circuit: guarantees a short and straight, to guarantee the strength of the signal.\u003c\/li\u003e\n\u003cli\u003ePCB screen printing brand: each interface, practical development twice,\u003c\/li\u003e\n\u003cli\u003eThe SIM900 \/ hardware is completely still in the design when the manual design\u003c\/li\u003e\n\u003cli\u003eTwo power supply interface: VCC5 5 V DC above 1A!\u003c\/li\u003e\n\u003cli\u003eThe power supply of the 5 V computer can be the first USB in the computer.\u003c\/li\u003e\n\u003cli\u003eLargest DC long data circuit recommended 5V1A.\u003c\/li\u003e\n\u003cli\u003eVCC4 3.5. 4.5 V Ibid power supply suitable for lithium battery\u003c\/li\u003e\n\u003cli\u003eControl Pin all cables.\u003c\/li\u003e\n\u003cli\u003eA TTL level, compatible with 3.3 V and 5 V.\u003c\/li\u003e\n\u003cli\u003eThe interface of two antennas, the straight head SMA predetermined, the connector for the IPXmini antenna.\u003c\/li\u003e\n\u003cli\u003eA form of speech interface, the way it exchanges the microphone.\u003c\/li\u003e\n\u003cli\u003eThe control interface of each pin Description:\u003c\/li\u003e\n\u003cli\u003eGND-GNDSIMR SIM900A RXD TTL level\u003c\/li\u003e\n\u003cli\u003eIt can not be directly connected to the 232 levelSIMT SIM900A TXD TTL level\u003c\/li\u003e\n\u003cli\u003eIt can not be connected directly to the 232 levelRST-SIM900A reset\u003c\/li\u003e\n\u003cli\u003eActive lowVCC_MCU when the SIM900A module and 5V level TTL communication\u003c\/li\u003e\n\u003cli\u003eThis pin is connected to DC 5 V;\u003c\/li\u003e\n\u003cli\u003eWhen the communication level of SIM900A and 3.3V TTL ...\u003c\/li\u003e\n\u003cli\u003eThis pin is connected to DC 3.3 V.\u003c\/li\u003e\n\u003cli\u003eVCC5 ---- DC 5 V input?\u003c\/li\u003e\n\u003cli\u003eVCC4 ------ DC3.5--4.5 input\u003c\/li\u003e\n\u003cli\u003eIntegrated resources: serial port circuit (with protection)\u003c\/li\u003e\n\u003cli\u003eAntenna interface circuit (SMA curve female port) SIM card circuit\u003c\/li\u003e\n\u003cli\u003e(Flip SIM slot) 4 * 3.5 fixture hole 4pcsSIM900A serial port terminal output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/unnamed_6_480x480.jpg?v=1593687234\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/GSM_Interfacing_Diagram_480x480.png?v=1593687242\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/github.com\/thinkrobotics\/DATASHEET\/tree\/master\/ELECTRONIC_COMPONENTS\/ELC8006\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/github.com\/thinkrobotics\/SAMPLE_CODE\/tree\/master\/ELECTRONIC_COMPONENTS\/ELC8006\"\u003eSample Code\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eTutorial\u003c\/h5\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/n-RkWRUw62g\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nUcrrCJd1sY\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e","published_at":"2022-12-06T11:21:41+05:30","created_at":"2019-03-13T11:04:27+05:30","vendor":"ThinkRobotics.in","type":"Breakout Boards","tags":["1800 Mhz","1900 Mhz","ELC8","GPRS","GPRS Module","GPS-MOD","gsm","GSM GPRS Board","GSM Module","sim","sim800","sim800 core","SIM800L","sim800l core board module","SIM800L evaluation board","SIM900","sim900a","WIRELESS"],"price":92999,"price_min":92999,"price_max":92999,"available":true,"price_varies":false,"compare_at_price":160000,"compare_at_price_min":160000,"compare_at_price_max":160000,"compare_at_price_varies":false,"variants":[{"id":27846950551624,"title":"Without Soldered Pin","option1":"Without Soldered Pin","option2":null,"option3":null,"sku":"ELC8006","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SIM900A 1800\/1900 MHz Wireless Extension Module GSM GPRS Board - Without Soldered Pin","public_title":"Without Soldered Pin","options":["Without Soldered Pin"],"price":92999,"weight":40,"compare_at_price":160000,"inventory_management":"shopify","barcode":"27846950551624","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101904.jpg?v=1639026068","\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101930.jpg?v=1639026087","\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101940.jpg?v=1639026090","\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_102012.jpg?v=1639026102","\/\/thinkrobotics.com\/cdn\/shop\/products\/Inked2_LI_1dc1cde3-233f-43ba-9e82-aeb8ba0ca616.jpg?v=1639026109"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101904.jpg?v=1639026068","options":["Soldered"],"media":[{"alt":null,"id":21701533728854,"position":1,"preview_image":{"aspect_ratio":0.75,"height":4032,"width":3024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101904.jpg?v=1639026068"},"aspect_ratio":0.75,"height":4032,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101904.jpg?v=1639026068","width":3024},{"alt":null,"id":21701535203414,"position":2,"preview_image":{"aspect_ratio":0.75,"height":4032,"width":3024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101930.jpg?v=1639026087"},"aspect_ratio":0.75,"height":4032,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101930.jpg?v=1639026087","width":3024},{"alt":null,"id":21701535432790,"position":3,"preview_image":{"aspect_ratio":0.75,"height":4032,"width":3024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101940.jpg?v=1639026090"},"aspect_ratio":0.75,"height":4032,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_101940.jpg?v=1639026090","width":3024},{"alt":null,"id":21701535760470,"position":4,"preview_image":{"aspect_ratio":0.75,"height":4032,"width":3024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_102012.jpg?v=1639026102"},"aspect_ratio":0.75,"height":4032,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/20211209_102012.jpg?v=1639026102","width":3024},{"alt":null,"id":21701536120918,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/Inked2_LI_1dc1cde3-233f-43ba-9e82-aeb8ba0ca616.jpg?v=1639026109"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/Inked2_LI_1dc1cde3-233f-43ba-9e82-aeb8ba0ca616.jpg?v=1639026109","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv style=\"display: inline !important;\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eOn board two power supply interface VCC5 5 V VCC4 interface 3.5 power supply. 4.5 V optional power supply of envelope that (default) and control to start\u003c\/li\u003e\n\u003cli\u003eOn board SMA (default) and IPXmini antenna interface SIM900A reserved interface reset?\u003c\/li\u003e\n\u003cli\u003eThe size of the module is 49 * 50, all the new and original device.\u003c\/li\u003e\n\u003cli\u003eThe computer can provide the power supply of the USB debugging module of the computer,\u003c\/li\u003e\n\u003cli\u003eA large amount of data under the recommended current condition more than 1 A.\u003c\/li\u003e\n\u003cli\u003eDozens of waiting MA data can be configured to provide\u003c\/li\u003e\n\u003cli\u003eRest, rest of 10 ma of low power. Support 2, 3.4G mobile phone card.\u003c\/li\u003e\n\u003cli\u003eSerial port circuit: compatible with 3.3 V single-chip microcomputer\u003c\/li\u003e\n\u003cli\u003eMicrocomputer with single chip TTL serial port support3.3 and 5 V.\u003c\/li\u003e\n\u003cli\u003eThe circuit SIM card to increase the SMF05C ESD chip\u003c\/li\u003e\n\u003cli\u003eAntenna circuit: guarantees a short and straight, to guarantee the strength of the signal.\u003c\/li\u003e\n\u003cli\u003ePCB screen printing brand: each interface, practical development twice,\u003c\/li\u003e\n\u003cli\u003eThe SIM900 \/ hardware is completely still in the design when the manual design\u003c\/li\u003e\n\u003cli\u003eTwo power supply interface: VCC5 5 V DC above 1A!\u003c\/li\u003e\n\u003cli\u003eThe power supply of the 5 V computer can be the first USB in the computer.\u003c\/li\u003e\n\u003cli\u003eLargest DC long data circuit recommended 5V1A.\u003c\/li\u003e\n\u003cli\u003eVCC4 3.5. 4.5 V Ibid power supply suitable for lithium battery\u003c\/li\u003e\n\u003cli\u003eControl Pin all cables.\u003c\/li\u003e\n\u003cli\u003eA TTL level, compatible with 3.3 V and 5 V.\u003c\/li\u003e\n\u003cli\u003eThe interface of two antennas, the straight head SMA predetermined, the connector for the IPXmini antenna.\u003c\/li\u003e\n\u003cli\u003eA form of speech interface, the way it exchanges the microphone.\u003c\/li\u003e\n\u003cli\u003eThe control interface of each pin Description:\u003c\/li\u003e\n\u003cli\u003eGND-GNDSIMR SIM900A RXD TTL level\u003c\/li\u003e\n\u003cli\u003eIt can not be directly connected to the 232 levelSIMT SIM900A TXD TTL level\u003c\/li\u003e\n\u003cli\u003eIt can not be connected directly to the 232 levelRST-SIM900A reset\u003c\/li\u003e\n\u003cli\u003eActive lowVCC_MCU when the SIM900A module and 5V level TTL communication\u003c\/li\u003e\n\u003cli\u003eThis pin is connected to DC 5 V;\u003c\/li\u003e\n\u003cli\u003eWhen the communication level of SIM900A and 3.3V TTL ...\u003c\/li\u003e\n\u003cli\u003eThis pin is connected to DC 3.3 V.\u003c\/li\u003e\n\u003cli\u003eVCC5 ---- DC 5 V input?\u003c\/li\u003e\n\u003cli\u003eVCC4 ------ DC3.5--4.5 input\u003c\/li\u003e\n\u003cli\u003eIntegrated resources: serial port circuit (with protection)\u003c\/li\u003e\n\u003cli\u003eAntenna interface circuit (SMA curve female port) SIM card circuit\u003c\/li\u003e\n\u003cli\u003e(Flip SIM slot) 4 * 3.5 fixture hole 4pcsSIM900A serial port terminal output\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/unnamed_6_480x480.jpg?v=1593687234\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/GSM_Interfacing_Diagram_480x480.png?v=1593687242\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch5\u003eResources\u003c\/h5\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/github.com\/thinkrobotics\/DATASHEET\/tree\/master\/ELECTRONIC_COMPONENTS\/ELC8006\"\u003eDatasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/github.com\/thinkrobotics\/SAMPLE_CODE\/tree\/master\/ELECTRONIC_COMPONENTS\/ELC8006\"\u003eSample Code\u003c\/a\u003e\u003c\/p\u003e\n\u003ch5\u003eTutorial\u003c\/h5\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/n-RkWRUw62g\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e \u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/nUcrrCJd1sY\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cul\u003e\u003c\/ul\u003e"}
