Overview
The M01 Walkie-Talkie Module is a compact, high-performance RF communication module designed for long-range wireless audio transmission. As shown in the product image, the module features a sleek, professional design with integrated antenna connector for optimal signal transmission.
Leveraging advanced narrow band modulation technology, the M01 achieves exceptional range while maintaining ultra-low power consumption — making it the ideal choice for battery-powered communication devices, outdoor equipment, and industrial applications where reliable long-distance audio transmission is critical.
Key Features
- Ultra Low Power: Optimized power consumption for extended battery life
- Long Range Communication: Achieve greater distances with narrow band modulation
- Narrow Band FM Technology: Superior interference rejection and improved signal quality
- Compact Form Factor: Easy integration into your product designs
- High Audio Quality: Clear voice transmission even at maximum range
- Robust RF Performance: Reliable communication in challenging RF environments
Technical Specifications
- Modulation: Narrow Band FM (NBFM)
- Frequency Range: 400-480 MHz (customizable)
- TX Power: Adjustable, up to 1W
- RX Sensitivity: -120 dBm typical
- Current Consumption:
- TX: < 350mA @ 1W
- RX: < 25mA
- Standby: < 1μA
- Audio Output: 1W speaker driver
- Supply Voltage: 3.3V - 5V DC
- Operating Temperature: -20°C to +60°C
- Dimensions: 35 x 25 mm
What’s Included
- 1x M01 Walkie-Talkie Module
- 1x External Antenna
- Technical Documentation
- Reference Design Schematics
Applications
- Two-way radio systems
- Outdoor recreation devices
- Industrial communication equipment
- Security and surveillance systems
- Remote monitoring stations
- Drone communication links
- Agricultural equipment communication
Why Narrow Band Modulation?
The M01 utilizes narrow band modulation technology which offers significant advantages:
- Extended Range: Concentrates signal energy for better reception at distance
- Lower Power Consumption: More efficient use of transmit power
- Reduced Interference: Narrower bandwidth means less susceptibility to adjacent channel interference
- Regulatory Compliance: Meets strict spectrum efficiency requirements worldwide
Getting Started
- Connect the M01 module to your microcontroller via UART interface
- Attach the included external antenna for optimal performance
- Configure frequency and power settings via AT commands
- Implement PTT (Push-to-Talk) control in your application
- Enjoy reliable long-range wireless communication
For detailed integration guides, reference designs, and code examples, visit our documentation portal.