• High-quality SIM808 module for GSM, GPRS, GPS, and Bluetooth communication
• Supports quad-band 850/900/1800/1900MHz for global compatibility
• Integrated GPS with A-GPS support for enhanced positioning
• AT command control for SMS, phone calls, GPRS, and GPS data

• Original chip for reliable Bluetooth communication.
• Compatible with Arduino and other microcontrollers.
• Easy to interface with laptops and mobile phones with Bluetooth.
• Supports multiple communication speeds (baud rates).

• Quad-band GSM: 850/900/1800/1900 MHz
• GPRS multi-slot class 12/10
• Supports A-GPS with Integrated GPS/CNSS
• Controlled via AT commands

• Transmission distance up to 8 meters
• Effective angle of 60 degrees
• 20,000 estimated usage cycles
• Arduino compatible

• High-quality stereo performance with DSP and PLL technology.
• 30-level digital volume adjustment with easy button operation.
• Blue backlight LCD display for better visibility in low light.
• Multiple audio input options: Line-in, USB, and MIC.

• Compact Design: Small 4.8cm x 1.8cm PCB for easy integration.
• Reliable Chipset: Uses ENC28J60/SS for stable performance.
• High-Speed Communication: Features a 25MHz crystal oscillator.
• SPI Interface: Ensures efficient data transfer with 3.3V power input.

• Wide Frequency Range: Supports FM signals between 76 MHz to 108 MHz.
• I2C Interface: Easy integration with microcontrollers using I2C communication.
• Voltage Flexibility: Operates with both 3.3V and 5V power supplies.
• Low Power Consumption: Consumes less than 20 mA, suitable for battery-powered projects.

• Quad-band compatibility: Works on GSM networks worldwide (850 / 900 / 1800 / 1900 MHz).
• Allows communication via SMS, MMS, GPRS, and audio through UART with AT commands.
• Includes 12 GPIOs, 2 PWMs, and an ADC from the SIM900 module.
• Compatible with Arduino and Arduino clones.

• PLL digital phase lock for stable performance
• 16-level digital volume adjustment
• Frequency range: 87.0-108.0MHz
• Operating voltage: 3-5V

• Based on the SX1278 IC from SEMTECH
• Utilizes LoRa spread spectrum technology for enhanced range
• Functions as both a transmitter and receiver
• Ideal for long-distance wireless communication

• Operating Voltage: 3.2V ~ 5.5V (with recommended diode for voltages above 4.5V)
• Default Communication Distance: 600m (adjustable up to 1000m)
• Air Baud Rate: 5000bps
• Idle Current: 16mA

Specifications:

• Protocols: Bluetooth low energy 5.0
• Type: Wireless MCU
• Features: LE 1M PHY
• Peripherals: 12-bit ADC 8-channel, 2 SPI, 2 UART, 4 timers, I2C
• Rating: Catalog
• Flash memory (kByte): 256
• RAM (kByte): 8
• Number of GPIOs: 23
• Security: Cryptographic acceleration, Debug security, Device identity, Software IP protection
• Sensitivity (best) (dBm): -94
• Operating temperature range (°C)    -40 to 85

Package:

1x HC-08 Android iOS BLE 4.0 Bluetooth Module for arduino CC2540 CC2541 BLE Serial Wireless Module Compatible HM-10 HM-11

Discover the 5V MP3 WMA Decoder Board Audio Module, designed for seamless audio playback from USB and TF card sources in Bangladesh. This module supports MP3 and WMA formats, features an FM tuner, and operates at 5V, making it ideal for various audio projects.

• Built-in Antenna – Comes with an integrated antenna for GPS signal reception.
• Baud Rate – Default baud rate of 9600bps, without battery installed.
• Wide Power Supply Range – Operates between 3-5V, making it suitable for various setups.
• EEPROM Storage – Stores all settings and data, even when power is off.

• High-Sensitivity GPS: Utilizes the imported NEO-M8N GPS module with high signal strength.
• Ceramic Active Antenna: Offers excellent amplification and filtering for strong signal reception.
• Data Backup: Includes a backup battery and EEPROM to save configuration parameters.
• LED Indicator: Equipped with LED lights for easy status indication.

Discover the HC-06 Bluetooth Module Breakout, ideal for adding wireless communication to your projects in Bangladesh. This module offers a reasonable price, durability, and practical functionality for Arduino and other microcontroller projects.