Week Special 
Be a Pioneer: Unlock the VIP status of Ailunce H1 radio now
May 20, 2025
Expected to ship by June 20th
- Fast GPS Emergency or Business Response
- Live APRS Team Location Tracking
- Clear and Long-Range Communication
- Replaceable Battery for Uninterrupted All-Day Use
- 500K Contacts for Efficient Communication
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Ailunce H1 6W GPS APRS UHF VHF Dual Band DMR Radio with 500K Contacts
The Ailunce H1 GPS APRS Dual Band DMR Radio redefines outdoor and emergency communications with its advanced APRS, GPS, Talk Alias, and SFR technologies. Whether exploring remote trails, coordinating emergency response teams, or participating in amateur radio operations, this rugged device provides unmatched safety, precision, and clear communications. Discover how these four features can enhance your outdoor communications experience:
GPS
The Ailunce H1 dmr radio has a built-in powerful GPS locator, which can accurately determine the location of you or your teammates through longitude and latitude positioning.
✓ Accurate positioning
✓ Location sharing
✓ GPS measure distance
✓ GPS over-range alarm
Real-time Position with APRS
The H1 dmr handheld radio can push location beacon information to the APRS network in real time, making it an ideal companion for all kinds of outdoor activities, especially for tracking activities between teams. The APRS function allows the H1 to provide users with an additional layer of safety in emergency situations.
✓ Digital APRS TX and RX
✓ Analog APRS TX and RX
Talk Alias
Ailunce H1 dmr dual band radio radio allows you to set your specific display name by the computer; which is a good helper for rescue teammates to identify the caller
Single Frequency Repeater (SFR)
Must-have feature in emergency situations
The H1 ham radio uses one time slot to receive and transmit signals and another time slot to act as a single frequency repeater to achieve long-distance communication. Multiple H1s in a team can form a mesh network so that a single walkie-talkie can also communicate with distant walkie-talkies through the H1.
Triple Alarm Modes
The Ailunce H1 dmr radio provides three alarm modes to quickly send out an alarm in any emergency situation and get emergency help quickly.
Customized Side Keys
The two side buttons of H1 dmr radio can be freely set to the required functions, including power adjustment, contact list, etc.
One-key Communication
The H1 handheld ham radio can make calls or send messages to pre-defined contacts with one touch.
Last heard
H1 dmr radio allows you to quickly view your most recent calls.
Familiar with Radio
Package Details
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VIP-Exclusive Perks
Spec
SPECIFICATIONS
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General Specifications |
Frequency range * |
TX: TX: VHF 144-146MHz & UHF 430-440MHz; RX：VHF 136-174 MHz & UHF 400-520 MHz; GPS ：GPS L1C/A，SBAS L1C/A ，QZSS L1C/A，BDS B1I |
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Channel Capacity |
4000 Channels |
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Channel Spacing |
12.5KHz/25Khz |
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Operating Voltage |
7.4V |
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Battery Type |
Li-ion battery |
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Operating Temperature |
-20°C ~ +50°C |
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Audio Power Output |
16Ω 1W |
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Antenna Impedance |
50Ω |
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Receiver |
Sensitivity |
（12dB SINAD）≤-121dBm |
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Adjacent Channel |
≥70dB（25Khz） |
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Selectivity |
≥60dB（12.5Khz） |
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Spurious Emissions |
≤-57dB（25Khz） ≤-57dB（12.5Khz） |
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Spurious Suppression |
≥70dB（25Khz） ≥70dB（12.5Khz） |
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Signal-to-Noise Ratio |
≥45dB（25Khz） ≥40dB（12.5Khz） |
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Audio Distortion |
≤5% |
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Transmitter |
TX power |
High: ≤6W Middle : 3W Low: 0.5W |
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Frequency Stability |
±2.5ppm |
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Modulation Limits |
±5.0KHz@25KHz（25Khz） ±2.5KHz@12.5KHz（12.5Khz） |
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Adjacent Channel Power |
≤70dB（25Khz）≤60dB（12.5Khz） |
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Signal-to-Noise Ratio |
25Khz: 45dBm；12.5Khz: 40dBm |
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4FSK digital modulation |
12.5KHz（Data）7K60FXD 12.5KHz（Data+Voice）7K60FXE |
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Audio Distortion |
≤5% |
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Bit Error Rate |
≤3% |
FAQ
Q1: Does the Retevis H1 DMR Radio support both transmitting and receiving APRS signal, as well as sending APRS messages?
A1: Yes, the Retevis H1 supports APRS transmit and receive functions. It can also send APRS messages, enabling real-time location tracking and basic text communication.
Q2: Does the H1 support 9600bps APRS or the standard 1200bps?
A2: The Retevis H1 supports standard 1200bps APRS.
Feature
FUNCTIONS & FEATURES
- Support to import 500,000 DMR Contacts.
- Upgraded USB Type-C charging battery, charge the radio on the desktop charger, or just the battery alone.
- Eye-catching alarm button on top of the radio, easy and quick to request an emergency call in emergencies.
- Almost all the operations can be done via the radio keyboard.
- Support to use a side key as the secondary PTT.
- Support night mode and adjust the brightness.
- Support different keyboard lock mode.
- NOAA receive and NOAA Weather Alarm.
- Analog APRS and digital APRS function.
- GPS out of range alarming.
- CTCSS scan, and color code scan, VFO frequency range setting.
- Mixed channel working mode;
- ARC4, AES encryption;
- Work Alone; Man Down;
- SFR;
- User-defined the channel character color and background color.
- Auto Power off;
- Mic Gain Setting;
