A7670C GSM 4G Breakout Board - ADIY The A7670 series is the LTE Cat 1 module that supports wireless communication modes of LTE-TDD/LTE-FDD/GSM/GPRS/EDGE. It supports a maximum 10Mbps downlink rate and a 5Mbps uplink rate. The A7670 series adopts an LGA form factor and is compatible with SIM7000/SIM7070 series(NB/Cat Modules), and SIM800A/SIM800F(2G modules), which enables smooth migration from 2G/NB/Cat M products to LTE Cat 1 products, and greatly facilitates more compatible product design for the customer needs. The A7670 series supports multiple built-in network protocols, supports drivers for main operation systems(USB driver for Windows, Linux, and Android, etc.), and software function, AT commands are compatible with SIM7500/SIM7600 series modules. Meanwhile, the A7670series integrates main industrial standard interfaces, with powerful expansibility, including abundant interfaces such as UART, USB, I2C, and GPIO, which is suitable for main IOT applications such as telematics, surveillance devices, POS, industrial routers, and remote diagnostics etc. Pinout: Pinout A7670C GSM 4G Breakout Board

Adiy SIM800C LM39302 TTL Board ADIY SIM800C LM39302 TTL BOARD is your go-to solution for enhanced communication needs. Built with the Quad-Band GSM/GPRS engine-SIM800C, this module guarantees reliable connectivity on frequencies 850/900/1800/1900MHz. The configurable baud rate empowers you to customize communication speed through simple AT commands. Featuring LM39302R-ADJ 3.0A for low-dropout linear voltage regulation, this board provides a stable and high-current output with minimal external components. Its versatility is evident with applications ranging from industrial automation to health monitoring. The onboard regulated power supply accommodates a wide range of unregulated power inputs, ensuring adaptability to various setups. The module's robust design, including ESD compliance, push-push Nano SIM card holder, and antennas with UFL and SMA connectors, makes it suitable for diverse scenarios. Whether you're in industrial automation, data logging, home automation, or health monitoring, ADIY SIM800C is designed to meet your communication demands. Suitable for a wide voltage range and featuring advanced technology, it ensures reliable performance in diverse applications. Pin Description: VCC : Input range is 5-20V GND: power supply ground TXD: send pin serial port module. RTS: Request to send CTS: Clear to send BT_A: BLE Antenna RF_S: RF_Sync ADC: Analog-to-digital Convertor STAT: Status RXD: receive pin serial port module. SPKP: Speaker pin (+) SPKN: Speaker pin(-) MICN: Mic pin (-) MICP: Mic pin (+) RI: Ring core pin tips

Ai Thinker ESP-01F ESP8285 Serial WiFi Module Ai Thinker ESP-01F ESP8285 Serial WiFi Module has a highly competitive package size and ultra-low technology. ESP-01F can be widely used in a variety of networking, for home automation, industrial wireless control, baby monitors, wearable electronic products, wireless location sensing devices, wireless positioning system signals, and other networking applications.  The core processor ESP8285 integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a small package with 16-bit Lite mode, clocked at Supports 80 MHz and 160 MHz, supports RTOS, and integrates Wi-Fi MAC/BB/RF/PA/LNA. The ESP-01F WiFi module supports the standard IEEE802.11 b/g/n protocol, a complete TCP/IP protocol stack. Users can use this module to add networking capabilities to existing devices or to build separate network controllers. The ESP8285 is a high-performance wireless SOC that offers maximum utility at the lowest cost and unlimited possibilities for embedding WiFi functionality into other systems. Package Includes: 1 x Ai Thinker ESP-01F ESP8285 Serial WiFi Module Specifications Module Model ESP-01F SPI Flash Chip built-in 1MBflash Antenna Type PCB Input Supply Range (VDC) 3.0 ~ 3.6 Dimensions  1 x 1 x 1cms  Weight  5 grams

Airgain N2420 2.4 Ghz 4DB WiFi Omnidirectional Antenna 2.4GHz built-in PCB antenna N2420, is our company's well-designed dipole PCB antenna, the gain is up to 3.5dBi (+/-0.5), the effect is comparable to the external rod-shaped omnidirectional antenna. The wire uses a low-loss high-frequency coaxial communication cable.  Wi-Fi omnidirectional antenna is an antenna that sends and receives signals in all directions. These antennas have different gain levels, frequency ranges, and coverage distances which can be helpful for wifi development boards like arduino, nodemcu, etc. Package Includes: 2 x Set of Airgain N2420 2.4 Ghz 4DB WiFi Omnidirectional Antenna Specifications Model N2420 Impedance 50 ohm Frequency range 2400-2500 MHz Gain 3.5 +- 0.5dBi Dimensions 47 X 7.3 X 0.5 (mm) Weight  15 grams

Beetle ESP32 - C3 (RISC-V Core Development Board) Beetle ESP32-C3, a compact IoT solution ideal for wearables, sports projects, and more. With mini size, safety features, dual-mode communication, and comprehensive tutorials, this controller ensures seamless integration into diverse applications. Made for IoT enthusiasts, it measures 25*20.5 mm, supporting WiFi and Bluetooth for versatile connectivity. The integrated li-ion battery management adds safety, making it perfect for wearables and IoT systems. Program it with Arduino IDE, ESP-IDF, MicroPython, C, or Python, and explore endless possibilities with detailed tutorials.

Bluetooth 2.0 USB Dongle For Laptop and PC Iotcart now offers the Bluetooth 2.0 USB Dongle Adapter! This little but powerful adapter allows you to add Bluetooth to any PC or laptop that does not already have it. Simply put it into a USB port, and it will operate with Windows 98, ME, 2000, XP, and Vista.  It can transfer data at speeds of up to 3Mbps and has a range of up to 20 meters, which allows you to quickly connect from a distance. This dongle supports Bluetooth speech data in many languages, which makes it suitable for a wide range of devices, including computers, PDAs, digital cameras, printers, and mobile phones. This dongle is ideal for connecting your computer to wireless devices, transferring data, and boosting Bluetooth connectivity. It improves your current system's ability to connect with Bluetooth devices, which means more stable and versatile connections.  Whether you're syncing your laptop with your phone, transferring photos and music, or enhancing voice calls, the Bluetooth 2.0 USB Dongle Adapter is a must-have. Experience easy wireless connections with this tiny adapter, now available at Iotcart. Order yours today and enjoy the freedom of Bluetooth! Package Includes: 1 x Bluetooth 2.0 USB Dongle For Laptop and PC Specifications: Brand Vlebazaar Store Model entr bluetooth-1 Weight 0.20 kg Dimensions 6.00 cm x 15.00 cm x 12.00 cm Interface USB 2.0 Supported System Windows 98/98SE/ME/2000/XP/Vista Bluetooth Version V2.0 EDR Symbol Rate 3 Mbps Range Up to 20 meters Functionality Convert non-Bluetooth PC to Bluetooth-enabled Voice Data Support Yes Multi-language Support Yes Supported Bluetooth V2.0 & V1.2 Compatible Devices Notebook, PDA, handheld PC, digital camera, printer, mobile phone

Bluetooth 5.0 Dual Mode BLE (Feasycom) The Bluetooth 5.0 Dual Mode BLE (Feasycom) is a high-performance, highly integrated Bluetooth 5.0 BR/EDR/BLE dual-mode module. It operates on the 2400MHz to 2480Mhz ISM frequency band and has a low power consumption of 5mA working current. It is also low cost with excellent performance. The module has a built-in PCB antenna and supports an external antenna. It is the best alternative for the Bluetooth HC05 chip as it has been obsoleted. The Bluetooth module supports communicating with the FeasyBlue app and many other Bluetooth apps. The Bluetooth 5.0 Dual Mode BLE (Feasycom) has a number of features that make it ideal for a variety of applications, including:

DRAGINO LORA BEE V1.1 + HOPERF RFM95-98(W)  The Dragino Lora BEE is a LoRa module that allows the user to send data and provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. The LoRa BEE targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. The RFM95/96W transceivers feature the LoRa long range modem that provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption read more : Node to Node LoRa communication using Nano 33 BLE Sense Note: You have to be aware that Radio link quality and performances are highly dependent on the environment. Better performances can be reached with: Outdoor environment. No obstacles. No high-level radio interferer in the ISM 868MHz band. At least 1 meter above the ground. read more : How to use ESP32 with LoRaBEE as a node in LoRAWAN

DX-BT18 Bluetooth Dual Mode Module For SPP2.0 + BLE4.0 Transparent Serial Port The DX-BT18 Bluetooth modules are a type of wireless communication module that can be added to a project through serial or SPI communication protocols. The advantage of using Bluetooth modules is that they are easy to set up and use. The DX-BT18 module uses a serial protocol for communication. All Bluetooth modules that use serial communication protocol support AT Commands, which are listed in the datasheet of each product. DX-BT18 dual-mode Bluetooth module is a dual-mode Bluetooth module (Dual-Mode) that is specially designed for smart wireless data transmission by Shenzhen DX-SMART Technology Co., Ltd. and follows the Bluetooth 4.2 standard protocol. DX-BT18 module applies to wireless data transmission field, uses BT4.2 Bluetooth chip + PCB printed antenna design, SOC chip embedded BT4.2 Dual-Mode protocol stack, supports data transmission of Windows, Linux, Android, iOS and other systems and applications, with industrial design, transmission distance, data stability, simple operation, high-cost performance, and technology leading edge. Pinout: Pinout of DX-BT18 Bluetooth Module Features Dual-mode module following the Bluetooth 4.2 standard protocol Supports SPP2.0 and BLE4.0 protocols for wireless data transmission Uses a BT4.2 Bluetooth chip and has a PCB-printed antenna design Has 6 pins: VIN, GND, STATE, EN, RX, and TX Uses serial protocol for communication and supports AT Commands Designed for smart wireless data transmission Potential uses include wireless automation, remote control devices, IoT applications, and robotics. Application: Bluetooth wireless data transmission Hand-held POS devices Can be used in medical equipment for wireless data transmission Smart home control Car detection OBD equipment Bluetooth printer Bluetooth Remote Control Toy Anti-lost device, LED light control Package Includes: 1 x DX-BT18 Bluetooth module Specifications: Bluetooth Protocol Bluetooth 4.2 BR/EDR+BLE Working Frequency 2402-248MHz Communication Interface UART Power Supply 3.3V Communication distance 30-40M (Open and unobstructed environment) Physical Dimension 27mm x 13mm x 2.35 mm Bluetooth Authentication ROHS REACH FCC Bluetooth Name DX-BT18 Pairing Code 1234 (The SPP agreement is valid) Serial Port Parameters 9600, 8 data bits, 1 stop bit, No check, No flow control Service UUID FFE0 Notify\Write UUID FFE1 Write UUID FFE2 Storage temperature MIN: -40℃ - MAX: +140℃ Work temperature MIN: -20℃ - MAX: +85℃

ELECROW EasyESP-1: Rapid Prototyping WiFi ESP8266 Experimenter Board - Easy Programming, GPIO Access, Breadboard ELECROW EasyESP-1 is the perfect solution for beginners diving into IoT and electronics projects. It is equipped with features like easy programming, GPIO access, breadboard experimentation, and more. Made in accordance with ELECROW's quality standards, EasyESP-1 ensures durability and performance.  Its ESP-12E module provides seamless connectivity and guarantees reliable performance. The included breadboard allows users to experiment with external circuits, fostering creativity and innovation. EasyESP-1 is designed to be user-friendly, making it suitable for DIY enthusiasts, students, and hobbyists alike. With its versatile compatibility and ease of use, EasyESP-1 opens up a world of possibilities for electronic projects.