{"product_id":"simcom-a7681s-lte-cat-1-multi-band-lcc-lga-cellular-module","title":"SIMCom A7681S LTE Cat 1 Multi-Band LCC+LGA Cellular Module","description":"\u003cp\u003e\u003cstrong\u003eSIMCom A7681S LTE Cat 1 Multi-Band LCC+LGA Cellular Module\u003c\/strong\u003e is a compact LTE Cat 1 cellular communication module designed for IoT, telematics, surveillance equipment, industrial routers, remote diagnostics, and other cellular-connected applications. The A7681S supports LTE-FDD and LTE-TDD operation with downlink speeds up to 10Mbps and uplink speeds up to 5Mbps. It operates from 3.4V to 4.2V with a specified supply voltage of 3.8V and integrates USB 2.0. The module uses an LCC+LGA form factor measuring 15.7 × 17.6 × 2.1mm, USB firmware updates, and FOTA. It also provides a compatible form factor for SIM800C and SIM868 series migration to LTE Cat 1 connectivity.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0300\/6424\/6919\/files\/a7681s-spec.pdf?v=1790234161\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSIMCom A7681S LTE Cat 1 Multi-Band LCC+LGA Cellular Module Datasheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003col\u003e\n\u003cli\u003eSIMCom A7681S LTE Cat 1 cellular module\u003c\/li\u003e\n\u003cli\u003eLTE-FDD and LTE-TDD support\u003c\/li\u003e\n\u003cli\u003eLTE-FDD bands B1, B3, B5 and B8\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDownlink data rate up to 10Mbps\u003c\/li\u003e\n\u003cli\u003eUplink data rate up to 5Mbps\u003c\/li\u003e\n\u003cli\u003eUSB 2.0, UART, SPI, I²C, ADC and GPIO interfaces\u003c\/li\u003e\n\u003cli\u003e1.8V\/3V (U)SIM interface\u003c\/li\u003e\n\u003cli\u003eTCP\/IP, IPv4 and IPv6 support\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUSB and FOTA firmware updates\u003c\/li\u003e\n\u003cli\u003eSIM800C\/SIM868 compatible form factor\u003c\/li\u003e\n\u003cli\u003eOperating temperature from -40°C to +85°C\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"center\"\u003eSpecification\u003c\/th\u003e\n\u003cth align=\"center\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eSIMCom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eModel\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eA7681S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eLTE Cat 1 Cellular Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eCellular Technology\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eLTE Cat 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLTE Duplex Modes\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eLTE-FDD \/ LTE-TDD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLTE-FDD Bands\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eB1 \/ B3 \/ B5 \/ B8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eLTE-TDD Bands\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eB34 \/ B38 \/ B39 \/ B40 \/ B41\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eMaximum Downlink Rate\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e10Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eMaximum Uplink Rate\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e5Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3.4V to 4.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e3.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eControl Method\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eAT Commands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eDimensions\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e15.7 × 17.6 × 2.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eWeight\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e1.1g ± 0.1g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eLCC + LGA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eUSB Interface\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eUSB 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSerial Interface\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eUART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003ePeripheral Interfaces\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eSPI \/ I²C \/ ADC \/ GPIO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSIM Voltage\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e1.8V \/ 3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eSIM Interface\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e(U)SIM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eNetwork Protocols\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eTCP\/IP \/ IPv4 \/ IPv6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"center\"\u003eFirmware Update\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eUSB \/ FOTA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003c\/h4\u003e\n\u003ch4\u003eAlso Check These Products:-\u003c\/h4\u003e\n\u003cp\u003e\u003ca href=\"sima7670c-4g-gsm-breakout-board-red-pcb\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSIMA7670C 4G GSM Breakout Board (Red PCB)\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"sim-a7670c-4g-lte-cat-1-gsm-development-board-with-lm39302-power-ic-v1-1\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSIMA7670C 4G GSM Breakout Board\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"sima7670e-2g-4g-gsm-breakout-board\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSIMA7670E 2G\/4G GSM Breakout Board\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"sim800l-gprs-gsm-module-quad-band-ttl-serial-port-kg258\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eSIM800L GPRS GSM Module - Quad-Band TTL Serial Port- KG258\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4\u003ePackage Includes:\u003c\/h4\u003e\n\u003cp\u003e1 × SIMCom A7681S LTE Cat 1 Multi-Band LCC+LGA Cellular Module\u003c\/p\u003e","brand":"QuartzComponents","offers":[{"title":"Default Title","offer_id":46321630904554,"sku":"MOD-QC6277","price":420.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/6424\/6919\/files\/SIMComA7681SLTECat1Multi-BandLCC_LGACellularModule_1.jpg?v=1790235330","url":"https:\/\/quartzcomponents.com\/products\/simcom-a7681s-lte-cat-1-multi-band-lcc-lga-cellular-module","provider":"QuartzComponents","version":"1.0","type":"link"}