1. Introduction
This user manual provides comprehensive instructions for the Mai LELU HackRF Portapack H2, a versatile Software Defined Radio (SDR) device. It covers product overview, setup, operation, maintenance, troubleshooting, and technical specifications. Please read this manual carefully before using the device to ensure proper operation and to maximize its capabilities.
2. Product Overview
2.1. General Description
The HackRF Portapack H2 is an integrated solution that enhances the functionality of the HackRF One SDR platform. It comes pre-assembled with the HackRF One, a protective case, and a battery, pre-flashed with the latest Mayhem 1.7.3 Firmware. This device is designed for a wide range of radio frequency applications, operating from 1 MHz to 6 GHz.
Key components include the R9 version of HackRF One and the H2 R4 version of Portapack H2.
2.2. Key Features
- 3.2-inch Touchscreen Display: Provides an intuitive user interface for navigation and control.
- Voice Input and Output (ADC, DAC): Enables audio functionalities for various applications.
- TF Card Slot: For data storage, playback, and frequency management.
- Integrated High-Precision TCXO (0.5 ppm): Ensures accurate frequency stability, comparable to professional walkie-talkies.
- Automatic External TCXO Switching: The firmware automatically switches to external TCXO, visible in the menu.
- Integrated CR1220 Battery with RTC Function: Provides real-time clock functionality for timestamping baseband files.
- Offline GPS Simulation Support: Allows for GPS signal simulation without an internet connection.
- Durable ABS Case: Protects the Portapack and HackRF components.
- Pre-installed Mayhem Firmware: Ready to use out of the box with a comprehensive user interface and signal processing capabilities, reducing the need for a computer for many tasks.
2.3. Package Contents (Type B)
The Type B package includes the following items:
- 1 x Assembled Portapack H2 with HackRF One
- 5 x Antennas (various types for different frequency ranges)
- 1 x Power Amplifier
- 1 x SMA Cable
- 1 x USB Cable
Figure 2.1: HackRF Portapack H2 device shown with its included accessories, including multiple antennas and cables.
Figure 2.2: Detailed view of the HackRF Portapack H2 and its accessories, clearly labeled: 1. 20dB 50MHz-6GHz LNA, 2. SMA Male-Male Cable, 3. 5dBi 40MHz-860MHz Antenna, 4. LG USB Cable, 5. 8dBi 2.4/5.8GHz Antenna, 6. 40MHz-6GHz Telescopic Antenna, 7. 12dBi 700MHz-2700MHz Antenna, 8. 35dBi 700MHz-2700MHz Antenna.
3. Setup
3.1. Initial Inspection
Upon unboxing, carefully inspect all components for any signs of damage. Ensure all items listed in the "Package Contents" section are present.
3.2. Connecting Components
- Antenna Connection: Select the appropriate antenna for your desired frequency range and screw it firmly onto the SMA connector on the HackRF Portapack H2.
- Power Amplifier (Optional): If using the included power amplifier, connect it between the HackRF Portapack H2 and the antenna using the provided SMA cable. Ensure correct input/output connections.
- USB Connection: Connect the USB cable to the HackRF Portapack H2 for charging or for connecting to a computer for advanced operations (though many functions are standalone).
- TF Card Insertion: Insert a micro SD card into the designated TF card slot for data storage and other functions.
3.3. Powering On
To power on the device, press and hold the central key (usually the main navigation button) for 3 to 4 seconds. The 3.2-inch touchscreen display will illuminate, indicating the device is starting up. The Mayhem firmware interface will then load.
4. Operating Instructions
4.1. Basic Navigation
The HackRF Portapack H2 features a 3.2-inch touchscreen for direct interaction and navigation buttons for precise control. Use a combination of touch gestures and button presses to navigate through menus and select options.
4.2. Main Menu Functions
The Mayhem firmware provides a comprehensive main menu with various applications and utilities:
- Receive: For listening to radio signals.
- Transmit: For transmitting radio signals.
- Capture: To record raw IQ data.
- Replay: To play back previously captured IQ data.
- Search: For scanning and identifying signals.
- Scanner: Advanced signal scanning features.
- Microphone: For audio input functionalities.
- Looking Glass: For signal visualization.
- Utilities: Access various tools and functions.
- Settings: Configure device parameters.
- Debug: For advanced diagnostics and development.
- HackRF: Direct access to HackRF specific controls.
Figure 4.1: The Utilities menu, providing access to tools such as Frequency Manager, File Manager, Signal Generator, WAV Viewer, Antenna Length calculator, SD Card wipe, Flash Utility, and SD over USB functions.
Figure 4.2: The Settings menu, allowing configuration of Audio, Radio, User Interface, Date/Time, Calibration, Application Settings, Converter, QR Code, and Program Memory Management.
Figure 4.3: The Capture screen, showing a real-time spectrum display with adjustable frequency, sample rate, and gain settings for signal recording.
4.3. Specific Functionalities
- Audio Input/Output: Connect external audio devices via the ADC/DAC ports for voice communication or signal processing.
- TF Card Management: Use the File Manager in the Utilities menu to browse, save, and playback recorded data. The TF card is crucial for storing baseband files and managing frequency data.
- RTC Clock: The integrated CR1220 battery powers the Real-Time Clock (RTC) function, ensuring that saved baseband files are accurately timestamped.
- GPS Simulation: Navigate to the relevant menu option to initiate offline GPS signal simulation.
5. Maintenance
5.1. Cleaning
Use a soft, dry cloth to clean the device's exterior. For the touchscreen, use a microfiber cloth specifically designed for electronics. Avoid using abrasive cleaners or solvents, as they may damage the display or casing.
5.2. Battery Care
The device is powered by an internal Li-Po battery. For optimal battery life:
- Avoid fully discharging the battery frequently.
- Store the device in a cool, dry place when not in use for extended periods.
- The CR1220 battery for the RTC clock is designed for long-term use and typically does not require user intervention.
5.3. Firmware Updates
The device comes with Mayhem 1.7.3 firmware pre-installed. While many functions are available out-of-the-box, firmware updates may be released periodically by the community to add new features or improve performance. Refer to the official Mayhem firmware GitHub repository for update instructions and files. Always back up your data before performing a firmware update.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery or power button not held long enough. | Charge the device using the USB cable. Ensure the central key is pressed and held for 3-4 seconds. |
| Display is unresponsive or frozen. | Software glitch or temporary system hang. | Perform a soft reset by holding the power button until the device turns off, then power it back on. |
| Poor signal reception/transmission. | Incorrect antenna, weak signal environment, or incorrect frequency settings. | Ensure the correct antenna is attached for the frequency range. Check local signal conditions. Verify frequency and gain settings in the firmware. |
| TF card not recognized. | Improper insertion or corrupted card. | Reinsert the TF card. Try formatting the card (this will erase data) or use a different card. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Mai LELU |
| Model | H2 |
| Frequency Range | 1 MHz to 6 GHz |
| Display | 3.2-inch LCD Touchscreen |
| Hardware Interface | Micro SD, USB |
| Special Features | Portable, Voice I/O (ADC, DAC), TF Card Slot, High-Precision TCXO (0.5 ppm), RTC Clock, Offline GPS Simulation |
| Power Source | Battery Powered (Li-Po) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 20.32 x 12.95 x 3.05 cm (approx. 8 x 5.1 x 1.2 inches) |
| Compatible Devices | Speaker, Headphone, Headset, Laptop, MP3 Player, Smartphone, Tablet |
8. Warranty and Support
For specific warranty information, please refer to the terms and conditions provided by your retailer at the time of purchase. Mai LELU provides general product support.
Additional resources and community support for HackRF and Portapack Mayhem firmware can be found at the following links:
