Sim800l library

Nguồn cung cấp : 3.8 – 4.2VDC. Dòng cung cấp: 1A trở lên để đảm bảo trong quá trình khởi động cũng như thực hiện gọi điện hay gửi SMS. Dòng ở chế độ chờ: 10mA – rất tiết kiệm. Hỗ trợ 4 băng tần phổ biến ở Việt Nam, sim mạng nào dùng cũng được. Khe cắm sim: chuẩn Micro sim (sim IP4) ----------------------- HOTLINE: 024.2021.4848 ZALO : 0987.988.041 Địa chỉ mua hàng tại Hà Nội: 26- Ngõ 106- Lê Thanh Nghị- Hai Bà Trưng- Hà Nội ----------------------- Linh Kiện Điện Tử 3M cam kết: Bán giá luôn cạnh tranh và dịch vụ sau mua tốt nhất thị trường. Cam kết hoàn tiền 100% khi sản phẩm sai quảng cáo,hoặc lỗi do nhà sản xuất. Cam kết Sản Phẩm giốn

Chip: SIM800L Voltage: 3.7-4.2V Support networks: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal Package Included: 1 x SIM800L GPRS GSM Module Card Board + Antenna #SIM800L GPRS GSM M

Features: 100% New and High Quality Model: SIM800L Work voltage: 3.7~5V Network support: Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world. TTL serial interface compatible with 3.3V and 5V for MCU Microcontrollers,competible with

Module GSM/GPRS SIM800L v2.0 có chức năng gửi tin nhắn, thực hiện 1 cuộc gọi hoặc truyền dữ liệu qua GPRS.Sim có thiết kế nhỏ gọn tích hợp các tính năng Bluetooth, FM và Embedded AT. THÔNG SỐ KỸ THUẬT: - Điện áp: 4.1 ~ 5VDC - Hỗ trợ Quad-band 850/900/1800 / 1900MHz, có thể truyền tải cuộc gọi thoại, tin nhắn SMS và dữ liệu thông tin với năng lượng thấp - GPRS multi-slot class 12/10 - GPRS mobile station Class B - Tương thích với GSM 2/2+ - Class 1 (1 W 1800 / 1900MHz) - Class 4 (2 W @ 850/900MHz) - Tương thích bluetooth 3.0 +EDR - FM: Băng tần quốc tế 76 ~ 109MHz, mức hiệu chỉnh 50KHz - Điều khiển qua tập lệnh AT - Nhiệt độ hoạt động: -40~85

Thời gian giao hàng dự kiến cho sản phẩm này là từ 7-9 ngày 【hỗ trợ thanh toán tiền mặt khi nhận hàng】 Chip: SIM800L Điện áp: 3.7-4.2V Kích thước mô-đun: 2,5cmx2,3cm Cổng kết nối TTL, bạn có thể kết nối trực tiếp với vi mạch điều khiển. Không cần MAX 232 Mô đun nguồn tự động khởi động, mạng homing Đèn tín hiệu trên tàu. Sản phẩm nhấp nháy chậm khi có tín hiệu, Sản phẩm nhấp nháy nhanh khi không có tín hiệu gói hàng bao gồm: 1 x Mô Đun Sim800L Gprs Gsm Kèm Ăn

We have many products in our warehouse, our warehouse is in Shenzhen . Genaral it need 1-2weeks arrive your hand. if you subimit order , we will handle in 1-3days.if you chat with us , we donot reply you, donot worry , we are try to handle your order.so pls donot cancel o

Module SIM800L ĐIỆN TỬ NGUYỄN HIỀN Chuyên cung cấp linh kiện điện tử, thiết bị công nghiệp, dịch vụ tự động hoá. Địa chỉ: 24/2 Ngô Sĩ Liên, Hòa Khánh Bắc, Liên Chiểu, Đà Nẵng Để biết thêm thông tin về sản phẩm vui long nhắn tin cho shop Xin cả

Features: Chipset:ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH:QSPI flash 4MB / PSRAM  8MB SRAM:520 kB SRAM Button:Reset USB to TTL:CP2104 Modular interface:UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touches sensor、ADC、DACLNA  pre-amplifier On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current:About 70mA Sleep current:About 300uA SIM card:Only supports Nanos SIM card Working temperature range:-40centigrade ~ +85centigrade Size&Weight:78.83mm*28.92mm*8.06mm Power Supply Specifications     Power Supply:USB 5V/1A Charging current:500mA Battery:3.7V battery JST Connector:2Pin 1.25mm USB:Type-C Wi-Fi Standard:FCC/CE-RED/ICs/TELEC/KCC/SRRC/NCC Protocol:802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval Frequency range:2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power:22dBm Communication distance:300m Bluetooth Protocol:meet bluetooth v4.2BR/EDR and BLE standard Radio frequency:with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH Audio frequency:CVSD&SBC audio frequency Software specification Description Wi-Fi Mode:Station/SoftAP/SoftAP+Station/P2P Security mechanism:WPA/WPA2/WPA2-Enterprise/WPS Encryption Type:AES/RSA/ECC/SHA Firmware upgrade:UART download/OTA（Through networks/host to download and write firmware） Software Development:Support cloud server development /SDK for user firmware development Networking protocol:IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT User Configuration:AT + Instruction set, cloud server, android/iOSapp OS:FreeRTOS Include: 1 x T-Call V1.3 1 x Power cord 2 x Pin header 1 x FPC ant

Mô tả: Chip: SIM800L Điện áp: 3.7-4.2V Mạng hỗ trợ: Viettel, vinaphone, mobifone và mạng bốn băng toàn cầu Kích thước mô-đun: 2.5cmx2.3cm Cổng nối tiếp TTL cho cổng nối tiếp, bạn có thể liên kết trực tiếp với vi điều khiển. Không cần MAX 232 Module nguồn tự động khởi động, mạng nhà Trên tàu đèn tín hiệu tất cả các cách. Sản phẩm nhấp nháy chậm khi có tín hiệu, nhấp nháy nhanh khi không có tín

🎉🎉🎉 Welcome to my shop, wish you have a happy day!!! <asiutong2> Smallest SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL Port Chip: SIM800L;Voltage: 3.7-4.2V;Module size: 2.5cmx2.3cm Support networks: China Mobile, China Unicom and global quad-band network TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232.Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal,it flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL

Welcome to 【Maudlatu Store】 ,We insist on the lowest price to sell the best quality items！！！Chip: SIM800L Voltage: 3.7-4.2V Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, It flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module Card Board Quad-band Onboard + An

We have many products in our warehouse, our warehouse is in Shenzhen . Genaral it need 1-2weeks arrive your hand. if you subimit order , we will handle in 1-3days.if you chat with us , we donot reply you, donot worry , we try to handle your order.so pls donot cancel o

Features: Chipset:ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH:QSPI flash 4MB / PSRAM  8MB SRAM:520 kB SRAM Button:Reset USB to TTL:CP2104 Modular interface:UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touches sensor、ADC、DACLNA  pre-amplifier On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current:About 70mA Sleep current:About 300uA SIM card:Only supports Nanos SIM card Working temperature range:-40centigrade ~ +85centigrade Size&Weight:78.83mm*28.92mm*8.06mm Power Supply Specifications     Power Supply:USB 5V/1A Charging current:500mA Battery:3.7V battery JST Connector:2Pin 1.25mm USB:Type-C Wi-Fi Standard:FCC/CE-RED/ICs/TELEC/KCC/SRRC/NCC Protocol:802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval Frequency range:2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power:22dBm Communication distance:300m Bluetooth Protocol:meet bluetooth v4.2BR/EDR and BLE standard Radio frequency:with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH Audio frequency:CVSD&SBC audio frequency Software specification Description Wi-Fi Mode:Station/SoftAP/SoftAP+Station/P2P Security mechanism:WPA/WPA2/WPA2-Enterprise/WPS Encryption Type:AES/RSA/ECC/SHA Firmware upgrade:UART download/OTA（Through networks/host to download and write firmware） Software Development:Support cloud server development /SDK for user firmware development Networking protocol:IPv4、IPv6、SSL、TCP/UDP/HTTP/FTP/MQTT User Configuration:AT + Instruction set, cloud server, android/iOSapp OS:FreeRTOS Include: 1 x T-Call V1.3 1 x Power cord 2 x Pin header 1 x FPC ant

<div><p>Package Includes: 1*SIM800L module,1*antenna Viltage:5V Color:As pictures show Quad-band Type:SIM800L Module This module is powered by 5V, and the computer can debug USB to TTL serial port. The power supply can output 800MA current. The TTL serial port is compatible with 3.3V and 5V MCUs. It can be directly connected to the MCU after purchase. The IPX antenna interface can switch PCB antenna, glue stick antenna and suction cup antenna at will. SIM800L data 4 frequency communication, available worldwide. The first choice for foreign trade and foreign trade projects. Welcome to test, the volume price will plummet. Features: 1: Ultra-small size for a variety of cuff and embedded. 2: Self-playing card slot for easy replacement of the phone card. You can put it in the box and reserve the replacement phone slot. 3: The IPX interface can be used to change the antenna at will. 4: The board is made of gold-plated board, which is more stable in performance. 5: Wiring regularity ensures that the board is more stable when it is running. 6: This module is equipped with a protection device, which can realize anti-reverse, anti-high voltage, reduce the loss of the board, and is suitable for project and learning.</p><

Brand trust electronic; ; Ga6 - B mini GPRS/GSM module sms/voice development board wireless data super SI

Welcome to Mbig. Our product will give you a big profit, here you can buy high quality goods and get best service. Follow our store will get special discount! Enjoy your shopping time!! Feature: Chip: SIM800L Voltage: 3.7-4.2V Support networks: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal 1 x Module Card Board set with An

🐫🐫Welcome to {steedsuhhno}, your support is our greatest driving force, we will definitely give you the most comfortable shopping experience!!!🐫🐫 =========================={steedsuhhno}============================= Chip: SIM800L;Voltage: 3.7-4.2V;Module size: 2.5cmx2.3cm Support networks: China Mobile, China Unicom and global quad-band network TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232.Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal,it flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module MicroSIM Card Core BOard Quad-band TTL

Chip: SIM800L Voltage: 3.7-4.2V Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, It flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module Card Board Quad-band Onboard + Ante

Hello! Nice to meet you! Welcome to our shop! Check out our shop daily for the latest products We are an ethical business where prices are always affordable and reasonable No worries! You are guaranteed to be satisfied with the quality of our products It is checked rigorously multiple times before it reaches you Feel free to contact us if you have any questions Have a nice day and don’t forget to give us 5 stars if you enjoy your product Thank you for visiting! Hope you have an outstanding shopping experience! Brand trust; Ttgo T-Call V1.3 ESP32 wireless module FPC antenna SIM Card SIM800L mo

Thank you for visiting our store... Our pride can provide the best service Please read well the diskussion yes before buying the product and thank you for trust <p>the Description of pins :<br>- 5v (Power interface Power the module) connect to DC5v<br>- GND<br>- VDD TTL UART interface the TTL UART interface series, you can connect the MCU like 51MCU or Arm or MSP430 directly. The pin of VDD is used to match voltage of the TTL.<br>- SIM<em>TXD<br>- SIM</em>RXD<br>- GND if this pin is unused, keep open<br>- RST RST the module, if This pin is unused, keep ope

Thank you for visiting our store... Our pride can provide the best service Please read well the diskussion yes before buying the product and thank you for

Chip: SIM800L Voltage: 3.7-4.2V Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, It flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module Card Board Quad-band Onboard + Ante

Chip: SIM800L Voltage: 3.7-4.2V Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, It flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module Card Board Quad-band Onboard + Ante

Module SIM800L 📌 -- THÔNG SỐ KỸ THUẬT ❇ Nguồn cấp: 3.7 – 4.2VDC, có thể sử dụng với nguồn dòng thấp từ 500mAh trở lên (như cổng USB, nguồn từ Board Arduino). Nhưng khuyên các bạn nên dùng nguồn có dòng đủ 1A để đảm bảo mạch hoạt động ổn định. ❇ Khe cắm SIM: MICROSIM ❇ Dòng khi ở chế độ chờ: 10mA ❇ Dòng khi hoạt động: 100mA đến 1A. ❇ Hỗ trợ 4 băng tần phổ biến. ❇ Kích thước: 25mm x 22mm 📌 -- SƠ ĐỒ CHÂN - VCC: Nguồn vào 3.7 – 4.2V. - TXD: Chân truyền Uart TX. - RXD: Chân nhận Uart RX. - DTR : Chân UART DTR, thường không xài. - SPKP, SPKN: ngõ ra âm thanh, nối với loa để phát âm thanh. - MICP, MICN: ngõ vao âm thanh, phải gắn thêm Micro để thu âm thanh. - Reset: Chân khởi động lại Sim800L (thường không xài). - RING : báo có cuộc gọi đến - GND: Chân Mass, cấp 0V. 📌 -- LƯU Ý - Đấu nối đúng cực tính ghi trên mạch(nếu chưa rõ vui lòng liên hệ shop hỗ trợ ngay

Bluetooth Protocol meet bluetooth v4.2BR/EDR and BLE standard Radio frequency with -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH Audio frequency CVSD&SBC audio frequency Product Description Hardware Specifications Chipset ESPRESSIF-ESP32 240MHz Xtensaa single-/dual-core 32-bit LX6 microprocessor FLASH QSPI flash 4MB / PSRAM 8MB SRAM 520 kB SRAM Button Reset USB to TTL CP2104 ular interface UART,SPI,SDIO,I2C,LED PWM,TV PWM,I2S,IRGPIO, Contact sensor,ADC,DACLNA pre-amplifier On-board clock 40MHz crystal oscillator Working voltage 2.7V-3.6V Working current About 70mA Sleep current About 300uA SIM card Only supports Nano SIM card Working temperature range -40℃ ~ +85℃ Power Supply Specifications Power Supply USB 5V/1A Charging current 500mA Battery 3.7V lithium battery JST Connector 2Pin 1.25mm USB Type-C Wi-Fi Standard FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC Protocol 802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval Frequency range 2.4GHz~2.5GHz(2400M~2483.5M) Transmit Power 22dBm Communication distance 300m User Configuration AT + Instruction set, cloud server, android/iOSapp OS FreeRTOS colour: black Material: metal +PC size: 78.83x28.92x8.06mm Package Contents: 1 x T-Call V1.3 1 x power cord 2 x pin headers 1 x gprs antennaOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1

Chip: SIM800L Voltage: 3.7-4.2V Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, It flashes quickly when there is no signal Package Included: 1 x Smallest SIM800L GPRS GSM Module Card Board Quad-band Onboard + Ante

Hello! Nice to meet you! Welcome to our shop! Check out our shop daily for the latest products We are an ethical business where prices are always affordable and reasonable No worries! You are guaranteed to be satisfied with the quality of our products It is checked rigorously multiple times before it reaches you Feel free to contact us if you have any questions Have a nice day and don’t forget to give us 5 stars if you enjoy your product Thank you for visiting! Hope you have an outstanding shopping experience! Brand xindejia electronics; ; Sim 800l module replaces sim 900a sms data GSM GPRS 4 frequ

Brand Name : CFsunbird Origin : CN(Origin) Condition : New Type : Other Model Number : PCB ANTENNA Application : Other Dissipation Power : 900-1800 is_customized : Yes Unit Type : piece Package Weight : 0.02kg (0.04lb.) Package Size : 5cm x 5cm x 5cm (1.97in x 1.97in x 1.9

Module SIM800L mini Liên hệ: Đ/c: 18/655 Nguyễn Văn Linh-P.Vĩnh Niệm-Lê Chân-Hải Phòng Email: [email protected] Website: https://giaiphapchung.vn Hotline: 09368

---ღ---Welcome to the warm shop, I hope you can harvest happiness here----ღ---- Feature: Chip: SIM800L Voltage: 3.7-4.2V Support networks: China Mobile, China Unicom and global quad-band network Module size: 2.5cmx2.3cm TTL serial port for serial port, you can link directly to the microcontroller. No need MAX232 Power module automatically boot, homing network Onboard signal lights all the way . It flashes slowly when there is a signal, it flashes quickly when there is no signal 1 x Module Card Board set with An