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Updated on 11/19/2024
By Abigail Scott
I'm Abigail Scott, an author, adventurer, and mother of three. When I'm not navigating the beautiful chaos of motherhood, you can find me tackling the turbulent waters as a professional whitewater kayaker or scaling impressive rock faces as a climbing guide. The rush of adrenaline, whether from kayaking or climbing, is a feeling I cherish deeply. But the thrill doesn't stop there; I capture the breathtaking allure of nature through my lens as a professional photographer. And when I'm not submerged in the wild, my software engineering skills amplify my outdoor pursuits, allowing me to harness technology in unique ways. Through my writings, whether articles or blog posts, I share not just my adventures but my heart, hoping to spark a flame of inspiration in others to break boundaries and experience the world's wonders.
Learn More about Abigail Scott
COTRE DMR radio offers clear and stable communication with 32 FCC-certified channels. With 121 sets of CTCSS PRIVACY CODES, digital coding, and a wide range of channel options, the walkie-talkie ensures reliable communication. Learn more. It supports multiple digital formats of analog and digital (DMR/ PDT/ ADR).
The walkie-talky is equipped with a large-capacity 1450mAh lithium battery, allowing for up to 30 hours of standby time in power saving mode. It takes less than 5 hours to fully charge the battery, ensuring convenience and saving precious time.
COTRE digital radio can achieve a maximum transmission distance of 5KM in a barrier-free environment. Its two power options, high power (2W) and low power (0.5W), cater to different communication distance requirements.
The digital walkie-talky features an LED screen with automatic backlight function. The one-piece design seamlessly integrates the screen with the casing, ensuring durability. It surpasses the fragility of other glass or plastic screens.
Whether it's retail, hotel, restaurant, medical, education, manufacturing, or public utilities, this digital walkie-talkie is suitable for a wide range of scenarios. Its advanced appearance makes it ideal for business professionals. Discover more.
When you purchase the digital walkie-talkie, you receive a charging base, a charger, a detachable belt clip, and a lithium battery. The walkie-talkie is designed to offer two charging methods – you can charge it through the base or directly use the data cable.
COTRE digital walkie-talky has dual communication certifications of FCC, ensuring secure and reliable communication.
Dear customer, thank you for your question. First of all, you can contact us through the following email address to get the frequency writing software installation package
This is the link to CO04's frequency writing line: https://www.amazon.com/dp/B09CQ7Y1HC. This is the link to the CO01 write frequency line: https://www.amazon.com/dp/B08S3PSN1Z. Don't confuse it, the two write frequency cables are completely different.
Sure, this is the link of the video: https://www.youtube.com/watch?v=Eycb3vzC-cw&t=6s. Hope it can be helpful! If you meet any problem in the use process, please contact us by
Look to YouTube
Things we like
- Clear and Stable Communication - COTRE DMR radio has 32 channels certified by FCC with 121 sets of CTCSS (Continuous Tone-Coded Squelch System) PRIVACY CODES, digital coding and more channel options fully guarantee the stability of the walkie-talkie in the communication process. It supports multiple digital formats of analog and digital (DMR/ PDT/ ADR).
- Up to 30h Standby Time - traker, The walky talky with a large-capacity 1450mAh lithium battery can work for up to 30 hours in power saving mode, which fully meet your needs. And it only takes less than 5h to be fully charged quickly, saving your precious time.
- Long Distance Transmission - COTRE digital radio can reach a maximum transmission distance of 5KM in a barrier-free environment. Two types of power (high power 2W, low power 0.5W) can meet your different communication distance requirements.
- Clever and Sturdy Screen Design - The digital walky talky uses an LED screen with automatic backlight function. The one-piece design makes the extinguished screen look the same as other parts of the casing, and it is stronger and more durable than other glass or plastic screens.
- Suitable for Various Scenarios - Retail, hotel, restaurant, medical, education, manufacturing, public utilities... This digital walkie-talkie is suitable for any of the above injury scenarios, and its advanced appearance is the best choice for business people.
- Complete Accessories - Buying a digital walky-talky, you can get a charging base, a charger, a detachable belt clip, and a lithium battery. The exquisite design of the walkie-talkie enables it to have two charging methods. You can charge it through the charging base or directly use the data cable.
- Two-factor Communication authentication - COTRE digital walky-talky has dual communication certifications of FCC.
Things we don't like
- The LED screen may be prone to scratching or damage.
- The walkie-talkie may be too bulky or heavy for some users.
- The range of 5KM may not be sufficient for certain long-distance communication needs.
- The walkie-talkie may not be waterproof or durable in harsh outdoor conditions.
- The battery life of 30 hours may not be long enough for extended outdoor use.
Frequently Asked Questions
I know that digital walkie-talkies need frequency writing, but where should I get frequency writing software?
Dear customer, thank you for your question. First of all, you can contact us through the following email address to get the frequency writing software installation package <[email protected]>. In addition, you can also go to the following website to download the installation package directly. Thank you for your support and understanding. If you encounter any problems, please feel free to contact us. We will always serve you.
How to find the programming cable?
This is the link to CO04's frequency writing line: https://www.amazon.com/dp/B09CQ7Y1HCThis is the link to the CO01 write frequency line:https://www.amazon.com/dp/B08S3PSN1ZDon't confuse it, the two write frequency cables are completely different.
Is there any video of frequency writing operation here?
Sure, this is the link of the video: https://www.youtube.com/watch?v=Eycb3vzC-cw&t=6s.Hope it can be helpful! If you meet any problem in the use process, please contact us by <[email protected]> in time. Thanks!
I really need a video for instructions
Look to YouTube
