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"}
The shipment delivery was fast and efficient. They even called me before shipping the order to let me know when the order will be dispatched and estimated time of arrival. Very happy with their service.
