The Ultimate Retevis Ailunce HA2 HAM Radio FAQ Guide

The HA2 radio is a versatile and powerful device designed for a wide range of users, from outdoor enthusiasts to communication professionals. Whether you’re wondering about its frequency range, Bluetooth capabilities, or how to use it for APRS, this guide will cover all your queries in detail. As a radio designed for both analog and digital applications, the HA2 is built for durability and high performance, making it an ideal choice for those needing a reliable communication tool.

1. Frequency Range of the HA2

One of the most important questions about any radio is its frequency capabilities. The HA2’s frequency range is as follows:

TX (Transmission)

• US: VHF 144-148 MHz, UHF 420-450 MHz
• EU: VHF 144-146 MHz, UHF 430-440 MHz

RX (Reception)

• VHF: 136–174 MHz
• UHF: 400–520 MHz

This wide frequency range ensures that the HA2 can be used for various communication needs, from local chats to long-range signals.

2. Does the HA2 Support Aviation Frequencies?

Yes, the HA2 can receive aviation frequencies in the range of 108.0000-135.9750 MHz. This makes it suitable for users who need access to aviation channels during outdoor adventures or emergency situations.

3. What is the Effective Range of the HA2 HAM Radio?

The effective communication range of the HA2 varies based on the environment. Indoors, the range typically spans 2-5 kilometers, while in open environments, the distance can extend further. When used with repeaters, the HA2 can cover even greater distances, making it a reliable choice for both urban and rural applications.

4. Does the HA2 Have Cross Band Repeater (Transponder) Capability?

Unfortunately, the HA2 does not support cross-band repeater functionality. However, the H1 model does offer this feature for users who require cross-band capabilities.

5. Unlocking the HA2 Radio

For those looking to customize their HA2, you’ll be pleased to know that the radio can be fully unlocked. The process for unlocking is similar to that of the HA1, giving users full control over their radio’s settings and functionality.

6. APRS and Bluetooth: Features and Compatibility

The HA2 is a dual band radio with support for Bluetooth and APRS. This makes it an excellent choice for those needing location-based communication or emergency reporting.

• The HA2 supports sending comment text via APRS.
• Bluetooth KISS/TNC is not currently supported but is planned for release in 2026. Stay tuned!

Bluetooth Connectivity: While the HA2 doesn’t support Bluetooth TNC protocols yet, it’s compatible with external Bluetooth earpieces, including third-party devices, so you can use your favorite Bluetooth headsets for hands-free communication.

7. Is the HA2 Compatible with Smartphone Apps?

The HA2 can be programmed using a smartphone app. However, iOS support is not available yet, but it will be coming soon. Currently, the app is only compatible with Android devices.

8. Battery Compatibility and Performance

The HA2 does not use the same battery as the HA1, but it’s compatible with Type-C chargers. The battery performance has been significantly improved, offering fast charging capabilities and better overall durability compared to previous models.

9. Custom Features and Programming

• The HA2 comes with 16 zones and 64 channels per zone.
• Users can adjust CTCSS/DCS settings via the keypad, allowing for greater customization of frequency filtering.
• It does not support custom CTCSS tones for advanced frequency modulation needs.

10. Waterproofing and Antenna Compatibility

• The HA2 is designed with waterproof features in mind, but we recommend using the original antenna to maintain the waterproofing seal.
• The radio features an SMA-M male antenna connection for easy attachment of compatible antennas.

11. Is the HA2 Truly Dual Band?

Yes, the HA2 is a true dual-band radio, allowing users to communicate across both VHF and UHF bands simultaneously. This feature is especially beneficial for professional users and those needing to monitor multiple frequencies at once.

12. Is APRS Supported for Location and Messaging?

The HA2 not only supports location tracking via APRS but also allows for short messaging. Users can send comment texts via APRS to provide additional information alongside their location data.

13. Additional Features of the HA2 Radio

• USB-C Charging: Yes, the HA2 supports USB-C charging, ensuring faster and more efficient power delivery.
• Emergency Alarm: While one of the programmable buttons cannot be set to “send APRS position now,” it can be programmed as an emergency alarm for immediate assistance requests.
• Compass and GPS: The HA2 features both GPS and a compass, displaying received APRS beacon data, including direction and distance, on the screen.

14. Commonly Asked Questions

• Is the HA2 compatible with Chirp?
  No, the HA2 cannot be programmed using Chirp software. Instead, users must utilize the app software for programming.
• Does the HA2 support frequency hopping?
  The HA2 does not have frequency hopping capabilities.
• Can the HA2 connect with Bluetooth earpieces other than Retevis?
  Yes, it is compatible with third-party Bluetooth earpieces, allowing for a flexible and hands-free communication experience.

Conclusion

The HA2 HAM radio is a highly capable, feature-rich device, offering impressive functionality such as Bluetooth, APRS, GPS, and dual-band communication. While it may lack certain advanced features like cross-band repeater and frequency hopping, its robust design, combined with future updates for Bluetooth KISS/TNC support, makes it an ideal choice for those seeking reliable communication in diverse environments.

Ready to upgrade your communication setup? Get the Retevis HA2 HAM radio today and experience the ultimate in reliability and performance. Keep an eye out for new updates and features coming in 2026!

Happy New Year!