1. Introduction
The TIDRADIO TD H3 is a professional multi-band amateur transceiver designed for reliable and versatile communication. It features advanced capabilities such as wireless programming via a dedicated mobile application, USB Type-C charging and programming, AM/FM aviation band reception, NOAA weather reception, and dual PTT functionality. This manual provides essential information for setting up, operating, and maintaining your TD H3 walkie talkie.
2. Package Contents
Upon unboxing, please verify that all items listed below are included in your package:
- 1 x TIDRADIO TD-H3 Walkie Talkie
- 1 x Antenna
- 1 x Charger
- 1 x 2500mAh Battery
- 1 x Back Clip
- 1 x User Manual
- 1 x Box
3. Specifications
| Feature | Specification |
|---|---|
| Model Number | TD-H3 |
| Brand Name | TIDRADIO |
| Output Power (W) | 3w-5w |
| Battery Capacity (mAh) | 2500mAh |
| Waterproof / Water-Resistant | No |
| Battery Included | Yes |
| Material | Plastic |
| Storage Channel | 199 |
| Frequency Range |
|
| Maximum Range | 3km-5km |
| Display | Yes (1.44" TFT Color Screen) |
| Walkie Talkie Type | Portable |
| Certification | CE, FCC |
| Dimensions | 102mm x 51mm x 30mm (approx.) |
4. Setup
4.1 Battery Installation and Charging
Insert the provided 2500mAh battery into the back compartment of the walkie talkie. Ensure it clicks securely into place. The battery can be fully charged in approximately 3 hours.
The TD H3 supports convenient Type-C charging. You can charge the device using a standard Type-C cable connected to a desktop charger, car charger, or power bank.
4.2 Power On/Off and Band Selection
To power on the device and select the desired band version (HAM, GMRS, or NORMAL), press and hold the * key and the PTT key simultaneously.
5. Operating Instructions
5.1 Wireless Programming via Phone App (Odmaster)
The TIDRADIO TD H3 supports wireless programming through the "Odmaster" mobile application, allowing you to customize your radio settings anytime, anywhere.
- Step 1: Open the Odmaster APP.
- Step 2: Connect the radio via Bluetooth (BL).
- Step 3: Program the radio.
The Odmaster app also offers advanced features:
- Import Local Repeater: With one click, import nearby repeater information to extend your communication range.
- In-App Sharing Configuration: Share complex custom features with other radios that support wireless programming.
5.2 Wired Programming via USB Type-C
The TD H3 can also be programmed by connecting it to a computer using a standard USB Type-C cable. This eliminates the need for a specialized programming cable.
5.3 Fast Copy One Channel (Frequency Meter Function)
The TD H3 can act as a frequency meter for other two-way radios and devices. To activate this function, hold down the "1" key to initiate frequency copy mode.
5.4 Multi-band Transmitting & Receiving
The TD H3 supports a wide range of frequencies for both transmitting and receiving, including FM, VHF, and UFH bands. Refer to the specifications section for detailed frequency ranges.
The radio offers high and low power options (5W output) for optimized communication range and battery life.
5.5 AM/FM Aviation Band Receiving
The TD H3 is capable of receiving signals on the AM/FM aviation bands, allowing you to monitor air traffic communications.
5.6 NOAA Weather Reception
Stay informed about weather conditions with the built-in NOAA weather reception feature, providing access to 10 emergency weather channels.
5.7 10-Group Scrambler
For enhanced communication privacy, the TD H3 includes a 10-group scrambler encryption feature.
5.8 Dual PTT (Push-to-Talk)
The TD H3 features dual PTT buttons, eliminating the need to switch channels for different transmissions. One PTT can be used for channel A, and the other for channel B, allowing for seamless communication.
5.9 Other Functions
The TD H3 is equipped with a comprehensive set of features for various communication needs:
- NOAA weather reception
- Fast linking
- 10 groups of voice encryption (scrambling)
- Large capacity battery/long standby time
- Lighting function
- Reverse frequency operation function
- Timeout timer
- Transmits 1750 signals
- Frequency, channel mode conversion
- 199 channels
- Voice telegram
- Multi-segment transmit and receive
- Automatic/manual emergency alarm
- Multiple scans
- Difference frequency direction setting
- Difference frequency setting
- Wide and narrow band options
- Squelch level setting
- DTMF
- DTMF ANI
- High, medium and low power options
- Receive and transmit signaling are set separately
- Multiple step frequencies
- Initialize the settings
- Channel storage
- Computer programmable
- Tone switch
- FM radio
- Digital signaling CTCSS/DCS
- VOX voice-activated emission function
- Automatic signaling search
- Busy and banned
- Channel number, channel frequency, channel name Multiple display methods
- Channel scan added
- Large screen dot matrix LCD display
- Transit desk forwarding confirmation function
- Boot password protection
- Frequency meter function
- Call channel
6. Maintenance
6.1 Battery Care
To maximize battery life and performance, ensure regular charging. The 2500mAh battery provides approximately 24 hours of continuous working time and over 120 hours of standby time. Avoid overcharging or completely draining the battery frequently.
6.2 Cleaning
Clean the radio's exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the Type-C port and other connectors are free from dust and debris.
7. Troubleshooting
If you encounter any issues with your TIDRADIO TD H3, please refer to the following common troubleshooting tips:
- No Power: Ensure the battery is correctly installed and fully charged. Check the charging cable and adapter.
- Cannot Transmit/Receive: Verify that the radio is set to the correct frequency and channel. Check antenna connection. Ensure you are within range of other radios or repeaters.
- Programming Issues: Double-check the connection (Bluetooth or Type-C). Ensure the Odmaster app or PC software is up-to-date. Refer to the programming sections for detailed steps.
- Poor Audio Quality: Check volume levels. Ensure the microphone and speaker are not obstructed.
For more detailed troubleshooting or persistent issues, please consult the full user manual available online or contact customer support.
8. Warranty & Support
For comprehensive warranty information and customer support, please refer to the official user manual. A reference manual is available for download at: H3-Ham Instruction Manual (PDF). This document may provide additional details on product usage, safety guidelines, and warranty terms.
TIDRADIO offers free returns within 90 days and fast delivery with potential compensation for late delivery. For specific service details, please refer to the seller's policies on the purchase platform.
9. Application Scenarios
The TIDRADIO TD H3 is suitable for a variety of professional and recreational uses, including:
- Warehouse management
- Service industry
- Security
- Team activities
- Multi-party cooperation
- Transportation and Logistics
- Outdoor adventures
- Rescue operations
