{"product_id":"cmu-ttgo-t-call-esp32-sim800l","title":"CMU TTGO T-CALL ESP32+SIM800L","description":"\u003cdiv class=\"communicaintro\"\u003e\u003cspan\u003eTTGO T-Call V1.3 ESP32 Wireless Module GPRS Antenna SIM Card SIM800L Module. \u003cb\u003eWorks on 2G Network Only\u003c\/b\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ch1\u003eTTGO T-Call V1.3 ESP32 Wireless Module\u003c\/h1\u003e\u003cdiv class=\"communicadesc\"\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eHardware Specifications\u003c\/p\u003e\r\n\r\n\u003cli\u003eChipset : ESPRESSIF-ESP32 240MHz Xtensa® single-\/dual-core 32-bit LX6 microprocessor\u003c\/li\u003e\r\n\u003cli\u003eFLASH : QSPI flash 4MB \/ PSRAM 8MB\u003c\/li\u003e\r\n\u003cli\u003eSRAM : 520 kB SRAM\u003c\/li\u003e\r\n\u003cli\u003eButton : Reset\u003c\/li\u003e\r\n\u003cli\u003eUSB to TTL : CP2104\u003c\/li\u003e\r\n\u003cli\u003eModular interface : UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch sensor、ADC、DACLNA  pre-amplifier\u003c\/li\u003e\r\n\u003cli\u003eOn-board clock : 40MHz crystal oscillator \u003c\/li\u003e\r\n\u003cli\u003eWorking voltage : 2.7V-3.6V\u003c\/li\u003e\r\n\u003cli\u003eWorking current : About 70mA\u003c\/li\u003e\r\n\u003cli\u003eSleep current : About 300uA\u003c\/li\u003e\r\n\u003cli\u003eSIM card : Only supports Nano SIM card\u003c\/li\u003e\r\n\u003cli\u003eWorking temperature range : -40°C ~ +85°C\u003c\/li\u003e\r\n\u003cli\u003eSize\u0026amp;Weight : 78.83mmx28.92mmx8.06mm(11.77g)\u003c\/li\u003e\r\n\r\n\u003cp\u003ePower Supply Specifications\u003c\/p\u003e\r\n\r\n\u003cli\u003ePower Supply : USB 5V\/1A\u003c\/li\u003e\r\n\u003cli\u003eCharging current: 500mA\u003c\/li\u003e\r\n\u003cli\u003eBattery : 3.7V lithium battery\u003c\/li\u003e\r\n\u003cli\u003eJST Connector : 2Pin 1.25mm\u003c\/li\u003e\r\n\u003cli\u003eUSB : Type-C\u003c\/li\u003e\r\n\r\n\u003cp\u003eWi-Fi\u003c\/p\u003e\r\n\r\n\u003cli\u003eStandard : FCC\/CE-RED\/IC\/TELEC\/KCC\/SRRC\/NCC(esp32 chip)\u003c\/li\u003e\r\n\u003cli\u003eProtocol : 802.11 b\/g\/n(802.11n，speed up to150Mbps)A-MPDU and A-MSDU polymerization，support 0.4μS Protection interval\u003c\/li\u003e\r\n\u003cli\u003eFrequency range : 2.4GHz~2.5GHz(2400M~2483.5M)\u003c\/li\u003e\r\n\u003cli\u003eTransmit Power : 22dBm\u003c\/li\u003e\r\n\u003cli\u003eCommunication distance : 300m\u003c\/li\u003e\r\n\r\n\u003cp\u003eBluetooth\u003c\/p\u003e\r\n\r\n\u003cli\u003eProtocol : meet bluetooth v4.2BR\/EDR and BLE standard\u003c\/li\u003e\r\n\u003cli\u003eRadio frequency : with -97dBm sensitivity NZIF receiver Class-1,Class-2\u0026amp;Class-3 emitter AFH\u003c\/li\u003e\r\n\u003cli\u003eAudio frequency : CVSD\u0026amp;SBC audio frequency\u003c\/li\u003e\r\n\u003cp\u003eSoftware specification\u003c\/p\u003e\r\n\u003cli\u003eWi-Fi Mode : Station\/SoftAP\/SoftAP+Station\/P2P\u003c\/li\u003e\r\n\u003cli\u003eSecurity mechanism : WPA\/WPA2\/WPA2-Enterprise\/WPS\u003c\/li\u003e\r\n\u003cli\u003eEncryption Type : AES\/RSA\/ECC\/SHA\u003c\/li\u003e\r\n\u003cli\u003eFirmware upgrade : UART download\/OTA (Through network\/host to download and write firmware)\u003c\/li\u003e\r\n\u003cli\u003eSoftware Development : Support cloud server development \/SDK for user firmware development\u003c\/li\u003e\r\n\u003cli\u003eNetworking protocol : IPv4、IPv6、SSL、TCP\/UDP\/HTTP\/FTP\/MQTT\u003c\/li\u003e\r\n\u003cli\u003eUser Configuration : AT + Instruction set, cloud server, android\/iOSapp\u003c\/li\u003e\r\n\u003cli\u003eOS : FreeRTOS\u003c\/li\u003e\r\n\r\n\u003cp\u003eShipping List\u003c\/p\u003e\r\n\r\n\u003cli\u003eT-Call V1.3 x1\u003c\/li\u003e\r\n\u003cli\u003ePower Cord x1\u003c\/li\u003e\r\n\u003cli\u003ePin Header x2\u003c\/li\u003e\r\n\u003cli\u003eGprs Antenna x17cm)\u003c\/li\u003e\r\n\u003cli\u003ePower Cable x1\u003c\/li\u003e\n\u003c\/div\u003e\n\u003ch2\u003eDownloads\u003c\/h2\u003e\n\u003cdiv\u003e\u003col\u003e\u003cli\u003e\u003ca href=\"http:\/\/archive.communica.co.za\/Content\/Catalog\/Documents\/D2265185859.pdf\"\u003eTTGO T-CALL ESP32+SIM800\u003c\/a\u003e\u003c\/li\u003e\u003c\/ol\u003e\u003c\/div\u003e\n\u003ch2\u003eAdditional Information\u003c\/h2\u003e\n\u003cdiv\u003e\u003ctable border=\"1\" cellpadding=\"7\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDevice\u003c\/td\u003e\n\u003ctd\u003eWireless Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eTTGO T-Call V1.3 ESP32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Communica","offers":[{"title":"Default Title","offer_id":31667847856201,"sku":"CMU TTGO T-CALL ESP32+SIM800L","price":620.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/8228\/5897\/files\/8ea6bf73d949f2e0a25630402e052858.jpg?v=1787958779","url":"https:\/\/www.communica.co.za\/products\/cmu-ttgo-t-call-esp32-sim800l","provider":"Communica South Africa","version":"1.0","type":"link"}