• Ultra-Low Standby Power Consumption: 90uA - 400uA
• Coverage Range: Up to 60 meters
• Built-In PCB Antenna
• Power Input: 3.6V - 6V DC (Cannot exceed 6V)

• 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

Key Features:

• Stereo output module with built-in Bluetooth antenna
• Power supply: 4.2-5V
• Can be used as a power amplifier
• Active speaker with Bluetooth function
• 7-pin output interface with 2.54mm hole spacing
• Includes power supply, ground, left and right soundtracks, mute, LED indicator, and reserved port
• LED indicates Bluetooth connection status
• Size: 3x2cm (1.18×0.79 inches)

• Utilizes LoRa™ Spread Spectrum modulation technology
• Constant RF power output at +20dBm (100mW)
• High sensitivity down to -148dBm
• Half-duplex SPI communication

• Serial Baud Rate: Supports baud rates from 1200 to 460800bps.
• Working Frequency Band: Operates on 850/900/1800/1900 MHz.
• Control Mode: Uses AT commands (3GPP TS27.007).
• GPRS: Supports PPP connection and embedded TCP/IP protocol.

• Model: E01-ML01DP5
• Interface: SPI
• Power: 20dBm
• Distance: 2100m

• 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.

• Operating voltage: DC12V (27A/12V battery x1)
• Operating Current: 10mA @ 12V 
• Radiated power: 10mw @ 12V
• Transmitting frequency: 315MHZ 
• Transmission distance :50-100M (Open field, the receiver sensitivity of -100dbm) 

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

• 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.

• 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).

• High-quality ABS material ensures durability and long-lasting use.
• Designed to securely hold two 18650 batteries.
• Compact and lightweight design for easy integration into projects.
• Hard pin connections provide stable and reliable performance.

• LoRa Spread Spectrum modulation technology for long-range wireless communication
• Constant RF power output at +20dBm (100mW)
• High sensitivity: down to -148dBm
• Programmable bit rates up to 300kbps

• 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.

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

• Wide Frequency Range: Operates at 433MHz, suitable for long-range wireless communication.
• Multiple Modulation Options: Supports FSK, GFSK, MSK, and LoRa modulation for versatile transmission.
• High Sensitivity: With a sensitivity of -136dBm, it allows long-range communication even in weak signal environments.
• High Output Power: Provides an output power of +20dBm, enhancing transmission range and reliability.