SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna The SIM900A Modem incorporates the SIM900A GSM module from SIMCOM, a dual-band GSM-based modem. It operates within the 900MHz frequency range and has the capability to automatically search for these two bands. Additionally, the frequency bands can be configured using AT Commands. The baud rate can be adjusted within the range of 1200-115200 through AT commands as well. This ultra-compact wireless module features an interface that facilitates connections with both PCs and microcontrollers through the RS232 Chip (MAX232). Designed for M2M applications, the SIM900A Modem is ideal for SMS, voice, and data transfer purposes. Its onboard regulated power supply accommodates a wide range of unregulated power sources. With this modem, you can effortlessly perform tasks such as making audio calls, sending and receiving SMS messages, reading SMS content, and handling incoming calls using simple AT commands. This SMT-type GSM module is a complete solution, incorporating a powerful single chip that enables its compact size. It offers serial and TTL outputs for easy integration and utilization. check out: SIM800 GSM MODEM MODULE BOARD WITH SMA ANTENNA Features: Dual-band GSM/GPRS engine Operates on frequencies: EGSM 900MHz and DCS 1800MHz GPRS multi-slot class 10/ class 8 (optional) Supports GPRS coding schemes: CS-1, CS-2, CS-3, and CS-4 Utilizes GPRS/GSM technology for communication with a mobile SIM card Compatible with various microcontrollers such as Arduino and Raspberry Pi Suitable for embedded applications RS232 interface for direct communication with a computer or MCU kit Compact size Suitable for IoT-based projects and embedded systems Applications include voice call and SMS applications, IoT applications, and location tracking systems. read our blog explaining the interfacing gsm module with arduino , which provides a comprehensive guide. Application: Cellular Communication. Home Automation. Security-based projects. Sensors monitoring. Robotics. Mobile Phone Accessories. Servers. Computer Peripherals. Automobile. USB Dongles. read our blog explaining the gsm module connection with arduino , which provides a comprehensive guide.

SIM900A GSM-GPRS Modem The SIM900A GSM-GPRS Modem is a small, low-cost, and easy-to-use module that provides GPRS/GSM communication with the use of a mobile SIM card. It operates on frequencies 900 and 1800MHz and allows users to receive/send mobile calls and SMS. The module also has a keypad and display interface, which allows developers to create custom applications. Features: Dual-band 900/1800 MHz GPRS multi-slot class 10/8 GPRS mobile station class B Compliant to GSM phase 2/2+ Dimensions: 24 x 24 x 3 mm Weight: 3.4 g Control via AT commands (GSM 07.07, 07.05, and SIMCOM enhanced AT Commands) Supply voltage range: 5V Low power consumption: 1.5mA (sleep mode) Operation temperature: -40°C to +85°C Applications: IoT devices Asset tracking Remote monitoring Smart home automation Industrial automation Voice and data communication The SIM900A GSM-GPRS Modem is a versatile and powerful module that can be used in a wide variety of applications. It is a cost-effective and reliable solution for developers who need to add GPRS/GSM communication to their projects.

SIM900A GSM/GPRS USB SMS Modem Sim900a GSM/GPRS USB Modem, Featuring an industry-standard interface, the SIM900A delivers GSM/GPRS 900/1800MHz performance for SMS, Data, and Fax in a small form factor and with low power consumption, With Aluminum enclosure to minimize noise. Best suitable for SMS and Data applications, supports all types of sim cards except JIO, This modem works on a 2G network and has one external antenna and it is USB self-powered. Fast and stable network performance. Features Dual-band GSM/GPRS 900/1800 MHz performance for voice, SMS, data, and fax RS232 interface for direct communication with a computer or MCU kit Configurable baud rate from 1200-115200 through AT command Internal TCP/IP stack to enable internet connectivity via GPRS Low power consumption of 1.0mA (sleep mode&BS-PA-MFRMS=9) Control via AT commands (GSM 07.07, 07.05, and SIMCOM enhanced AT Commands) Aluminum enclosure to minimize noise Supports CSD data up to 14.4 kbps and USSD non-transparent mode Supports point-to-point MO and MT SMS cell broadcast text and PDU mode software for SMS via GSM/GPRS

SIM900A GSM/GPRS Module SIM900A GSM/GPRS Module is the ultimate solution for seamless network connectivity in your projects. This dual-band module, operating on EGSM 900MHz and DCS 1800MHz frequencies, empowers your devices with versatile communication capabilities. Ideal for applications in automobiles, robotics, servers, and IoT projects, it measures 12.1 x 10.6 x 0.2 cm, providing a compact yet powerful solution. The module supports standard AT commands, offering easy integration with popular controllers like Arduino, AVR, and Raspberry Pi. With an adjustable baud-rate from 1200 to 115200 bps, it ensures flexible and efficient communication. The low power consumption in SLEEP mode, only 1.5mA, makes it an energy-efficient choice for your projects. Designed with GPRS multi-slot class 10/ class 8 support, this module facilitates efficient data transmission with coding schemes CS-1 to CS-4. Its wide operating range (-30ºC to +80ºC) ensures reliability in various environmental conditions. Crafted with quality materials, this module guarantees durability and performance, available in multiple color/size variations. Made to solve your connectivity challenges, SIM900A GSM/GPRS Module is the go-to choice for professionals and hobbyists alike. Crafted with precision and reliability, it promises to elevate your projects to new heights. Applications: Automobiles, Robotics, Servers, IoT Projects

SIM908 GSM-GPRS-GPS Modem SIM908 module is a complete Quad-Band GSM/GPRS module that combines GPS technology for satellite navigation. The compact design which integrated GPRS and GPS in an SMT package will significantly save both time and costs for customers to develop GPS-enabled applications. Featuring an industry-standard interface and GPS function, it allows variable assets to be tracked seamlessly at any location and anytime with signal coverage. Dual SMA Antenna Connector for GSM and GPS, Dual Serial Port for GSM and GPS GSM standard AT Commands, GPS NMEA Protocol, Network and Ring LED Push type Rugged Simcard Holder. Inbuilt 3A Power supply, with input voltage range 5V to 30V A/C or DC RTC Option. check out : SIM900A GSM-GPRS Modem Features: Quad-band GSM/GPRS support: GSM 850MHz, EGSM 900MHz, DCS 1800MHz, PCS 1900MHz High sensitivity GPS receiver Support for voice, SMS, and GPRS data transfer Compact design integrating GPRS and GPS Low power consumption Control via AT commands Receiver type accuracy for horizontal position: <2.5m CEP

SimCom SIM900A GSM Module with SMA Antenna The SIM900A Modem is a wireless module manufactured by SIMCOM. It is a Dual Band GSM modem operating on the 900MHz frequencies. The modem has the capability to automatically search for these two bands. Additionally, users can also manually set the frequency bands using AT Commands. The baud rate of the modem can be configured in the range of 1200-115200 through AT commands. The SIM900A Modem is designed to be ultra compact and offers wireless connectivity. It features an interface that allows connection with a PC or a microcontroller using the RS232 Chip (MAX232). This modem is suitable for various applications such as SMS, voice, and data transfer in the M2M (Machine-to-Machine) interface. The modem includes an onboard regulated power supply, enabling connection to a wide range of unregulated power sources. With this modem, you can easily perform functions like making audio calls, sending and receiving SMS, reading SMS, and handling incoming calls using simple AT commands. It is a comprehensive GSM module designed in a Surface Mount Technology (SMT) format and utilizes a powerful single-chip, allowing for compact dimensions. The SIM900A GSM Modem offers both serial and TTL outputs.. Features: Quad-Band GSM/ 850/900/1800/1900MHz Compatible with arduino, raspberry pi, arm, avr, pic, 8051 power supply 12v 1amp to 2 amps max Use in the area of full signal strength. Perfect suited for GSM based Microcontroller Projects (better than SIM300 and other GSM Modems) Option for connecting MIC and SPEAKER directly to GSM MODEM for calls (LINE IN also available) Supports communication through RS232 with DB9 Connector, TTL Pins and I2C Pins CALL SMS GPRS facility - MIC input, LINE input and SPEAKER output pins

SimonK ESC 12A This is the Simonk 12A is a great ESC product DIY Drone enthusiasts and quadcopters. This 12A Brushless ESC motor supports 1-3S Small Axis. This Simonk ESC 12A ESC motor is optimized to achieve the perfect driving effect With low voltage protection, and over-temperature protection. This Simonk ESC has high performance and powerful functions. Users can set functions according to their needs to fully reflect their intelligent characteristics. Unique circuit design, and strong anti-interference ability. The water-cooled ESC has a limited range of programming functions and is designed to be plug-and-play. The throttle response is fast and has a very smooth speed control linearity. Compatible with scale boats and racing boats. The water-cooling system is composed of high-quality PBC components and has a strong current capacity. It can dissipate heat for the model and reduce noise. The brushless ESC water-cooled electric governor adopts a waterproof design to ensure the safety of the components and prolong their service life. Browse the exclusive collection of ESC for Drones . Applications: RC Plane RC Quadcopters RC Boat

SimonK Red 30A BLDC ESC Electronic Speed Controller with Connectors The Simonk 30A BLDC ESC for drones is an Electronic Speed Controller (ESC) that is used to drive brushless DC drone motors and is capable of supplying current up to 30A. The Simonk 30A  ESC controller is made for quadcopters and multicopters to provide faster and better motor speed control. This High-speed 30A brushless ESC for racing drones features a battery eliminator circuit (BEC) that provides 5V and 2A to the receiver or flight controller, so an extra battery is not needed to power them. These electronic speed controllers with fast throttle response are best used with A2212 BLDC motors of 1000kv, 1400kv, and 2200kv. CONNECTIONS: Power: Red - 7.4V to 14.8V Black - GND Servo: Yellow - Throttle Input Red - 5V, 2Amp Out Brown - GND BLDC Motor: 3 Blue Wires - BLDC ESC Connections Safe Power Function of the Simonk 30A ESC Motors High-quality MOSFETs for BLDC motor drive. The throttle calibration function of the Simonk ESC motor helps you to adapt to different remote throttle travel differences and improve your throttle response smoothly. It provides low voltage protection as well as reverse polarity protection. This brushless motor speed controller provides protection on the 5v lines. High-performance heat sink for better thermal management. Features: Simonk 30A Electronic Speed Controller (ESC) with connectors. Capable of supplying constant current up to 30A and peak current of 40A for less than 10 seconds. Features a battery eliminator circuit (BEC) providing 5V and 2A to the receiver or flight controller. Designed for use with A2212 BLDC motors of 1000kv, 1400kv, and 2200kv. Connections: Power (Red for 7.4V to 14.8V, Black for GND), Servo (Yellow for throttle input, Red for 5V/2A output, Brown for GND), BLDC Motor (3 Blue wires). Throttle calibration function for adapting to different remote throttle travel differences and improving throttle response. Provides low voltage protection, reverse polarity protection, and protection on the 5V lines. Equipped with high-quality MOSFETs for BLDC motor drive. Features a high-performance heat sink for better thermal management. Application: BLDC Motors in Quadcopters. Multirotor drones. RC Planes etc.

Simonk Red ESC 30A without Connector for Quadcopter The Simonk 30A ESC is an Electronic Speed Controller (ESC) that is used to drive brushless DC motors and is capable of supplying current up to 30A. The 30A Simonk controller is made for quadcopters and multicopters to provide faster and better motor speed control. This 30A ESC features a battery eliminator circuit (BEC) that provides 5V and 2A to the receiver or flight controller, so an extra battery to power those are not needed. These electronic speed controllers are best used with A2212 BLDC motors of 1000kv , 1400kv , and 2200kv . Warning: When we connect the BLDC ESC directly to the remote control receiver; never ever switch off the remote control before switching off power to the BLDC ESC. Depending on the model of the remote control; it may result in full throttle applied to the motor and it will rotate at full speed. Explore our complete range of Drone Parts ! Also Check out the best collection of ESC for Drones . Connections: Power: Red - 7.4V to 14.8V Black - GND Servo: Yellow - Throttle Input Red - 5V, 2Amp Out Brown - GND BLDC Motor: 3 Blue Wires - BLDC ESC Connections SAFE POWER FUNCTION OF THE SIMONK 30A ESC MOTORS High-quality MOSFETs for BLDC motor drive. The throttle calibration function of the Simonk ESC motor helps you to adapt to different remote throttle travel differences and improve your throttle response smoothly. It provides low voltage protection as well as reverse polarity protection. It provides protection on the 5v lines. High-performance heat sink for better thermal management. Application: Quadcopters. Multirotor drones. RC Planes.

Single Channel 12V Relay Module 30A This 1 Channel 12V Relay Module is capable of actuating 240VAC/30A circuits safely. Eliminating the dangers of high current circuits for users. read our blog explaining applications of relays , which provides detailed information about relays, including their definition, working principle, construction, contact types, various types of relays, and their applications. Packaging Includes: 1 x 1 Channel 12V Relay Module