Retevis RT21 2 Way Radio Long Range User Manual

Getting Started

1. Unpack your Retevis RT21 2 Way Radio package and ensure that all components are included: 6 RT21 Walkie Talkies, 6 1100mAh Li-ion Batteries, 1 6-Way Multi Unit Charger, 6 Belt Clips, 6 Slings, and 1 English User Manual.
2. Insert the 1100mAh Li-ion battery into each walkie talkie by aligning the battery contacts and gently pushing the battery into place. Make sure the battery is securely locked in place.
3. Attach the belt clip to each walkie talkie by sliding it onto the back of the device until it clicks into place.
4. Attach the sling to each walkie talkie by threading it through the loop at the top of the device.

Charging the Walkie Talkies

1. Place the 6-Way Multi Unit Charger on a flat, stable surface near a power outlet.
2. Connect the charger to a power outlet using the provided power cord.
3. Insert each walkie talkie into an individual charging slot on the charger, ensuring that the charging contacts on the walkie talkie align with the contacts on the charger.
4. Observe the LED charging indicators for each slot. A red LED indicates that the walkie talkie is charging, while a green LED indicates that the walkie talkie is fully charged. The charger features overcharge protection, so you don't need to worry about charging overnight.
5. When the walkie talkies are fully charged, remove them from the charger and disconnect the charger from the power outlet.

Basic Operation

1. Turn on the walkie talkie by rotating the power/volume knob clockwise. Adjust the volume to a comfortable level.
2. Select a channel by pressing the up or down arrow buttons on the front of the walkie talkie. The selected channel will be announced by a voice prompt.
3. To communicate with other walkie talkies, press and hold the PTT (Push-To-Talk) button on the side of the device and speak into the microphone. Release the PTT button to listen for incoming transmissions.
4. Use the built-in features such as VOX (voice-activated transmission), squelch, remote emergency alarm, low battery alert, power saving, and CTCSS/DCS privacy codes to customize your communication experience.

Troubleshooting Tips

• If the walkie talkie is not turning on, ensure that the battery is properly inserted and fully charged.
• If you experience poor reception or range, check the antenna for damage and ensure that it is securely attached to the walkie talkie.
• If the walkie talkie is not transmitting or receiving, ensure that you are on the same channel as the other walkie talkies in your group.
• If the walkie talkie is not charging, check the charging contacts on both the walkie talkie and the charger for damage or debris.

Frequently Asked Questions

What is the range of these walkie talkies?

The range of the Retevis RT21 2 Way Radios depends on the environment and terrain. In open areas, you can expect a range of up to several miles. In urban or densely populated areas, the range may be reduced due to obstructions and interference.

Can these walkie talkies be used with other Retevis models or other brands?

Yes, the Retevis RT21 2 Way Radios can be used with most other Retevis commercial walkie talkies, as well as with other brands of walkie talkies that operate on the same frequencies and use the same privacy codes.

How long does the battery last on a single charge?

The 1100mAh Li-ion battery provides 10-12 hours of continuous use, with a standby time of more than 72 hours. It takes about 3 hours to fully charge the battery.

Is the Retevis RT21 2 Way Radio waterproof?

These walkie talkies are not specifically rated as waterproof, but they are designed to be rugged and durable, capable of withstanding shock and vibration in harsh environments.

How do I activate the VOX feature on these walkie talkies?

To activate the VOX feature, you will need to access the walkie talkie's menu settings. Consult the user manual for detailed instructions on how to enable and configure the VOX feature.

Q: Can you charge the radios individually?
A: No, there is a six-way multi gang charger in the package, and there is no separate charger. If you need a separate charger for each walkie talkie, please contact us by Amazon email.

Q: How many miles range do these radios have?
A: The RT21 two-way radio has a 0.5-2 mile range, but it also depends on the environment. Terrain and buildings can affect performance.

Q: What is the standby battery life? How long will the battery last with the radio off?
A: The RT21 walkie talkie can last 8-12 hours using after 2-3 hours of charging. It can last longer with the radio off. To increase battery life, keep the radio in the off state when charging, or turn off the radio when not in use.

Q: Can these radios work outside the United States?
A: They will work, but depending on where you are, there may be laws controlling their use.

Q: Do I need a Ham Radio license to operate these radios?
A: No, you don't need a ham radio license to operate these radios. They are FRS radios with 16 channels, license-free and compliant with FCC regulations.

Q: Can these RT21 radios be reprogrammed?
A: No, they don't need to be reprogrammed. They can work with other older RT21 radios on the same channel and CTCSS.

Q: Do I need an FCC license to operate these since they reside in the commercial spectrum?
A: No, you don't need an FCC license to operate RT21 walkie talkies. They are FRS radios with 16 channels, license-free and compliant with FCC regulations.

Q: Will using these radios disrupt other sound needs at a music venue?
A: No, using RT21 walkie talkies will not disrupt other sound needs at a music venue.

Q: What size screw attaches the belt clips to the walkie talkies?
A: The size of the RT21 belt clip screw is BM2.5*7.5*4.8.

Q: Do you have to take off the clip to charge them?
A: No, they can be recharged with the clips, and you can also recharge the battery only without the radio body. Additionally, we provide a 2-year warranty for radio body and a 2-month warranty for accessories.