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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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The RT81 High Power Walkie Talkie is designed for large commercial environments. Multiple business combinations are ideal for business environments with large crowds. Ideal for security teams; large event planning teams; construction worker teams; farm nurseries; marinas; and transportation teams.
For large teams, walkie-talkies are essential but also cost-effective, the RT81's ruggedized casing will last longer, avoiding the need for frequent replacement of equipment and delivering better value for money, and the IP67 waterproofing allows it to adapt to a wide range of weather conditions.
No screen, no button business design. Can better avoid the impact of the mistakes of multiple groups of people. Better ensure the smooth running of team work.
More than 12 hours of continuous working time under analog signal; more than 20 hours under digital signal.
DMR-compliant, high-power digital radios provide amazingly clear, loud, and fully silent digital voice communications with no static noise
Having two modes can be a great way to help customers upgrade their group's calls. If your group wants to realize the transition to digital radios. Then this intercom will be a good choice. The analog mode can realize the communication with analog intercom. Digital mode again can experience the advantages of digital calls.
RT81 also provides three different calling schemes for home, group and business use as needed. The RT81 also offers three different calling plans for home, team and business use. This makes it easier for multi-departmental collaboration.
Secure communications are an essential requirement, especially for public safety applications, RT81 is equipped with 10-bit key data encryption, which can be used to encrypt data in a variety of ways. walkie talkie prevents eavesdropping and avoids interference to ensure secure communication.
For churches; schools; workplaces; construction sites; beach clubs; hotels; marinas; manufacturing plants; and security companies, etc.
Model | Retevis RT81 |
Frequency | UHF 400-470MHz |
Mode | Digital/Analog |
Power | 10W |
Channel capacity | 32(2 Zone, 16 channel per zone) |
Zone | 2 |
Working voltage | 7.4V |
Working temperature | -30℃~+60℃ |
Storage temperature | -40℃~+60℃ |
Continuous working time | Analog:15 hours,Digital:25 hours |
Battery capacity | 2200mAh |
Weight(include battery) | 9.32oz/264g |
Radio size(include battery) | 5.48x2.51x1.45in(139x64x37mm) |
Receiver | |
Channel spacing | 12.5/25KHz(Digital mode 12.5KHz) |
Frequency stability | ±1.0ppm |
Analog sensibility | 0.35µV/-116dBm(20dB SINAD) |
0.2µV/-120dBm(Typical) | |
Digital sensibility | 0.3µV/-117.4dBm(BER5%) |
0.7µV/-110dBm(BER1% | |
Spurious response | TIA03C:65dB |
ETSI:65dB | |
Adjacent channel selectivity | TIA603C:60dB@12.5KHz |
ETSI:60dB@12.5KHz | |
Spurious response suppression | TIA603C:70dB ETSI:70dB |
Receiving spurious emissions | <-57dBm@1GHZ,>-47dBm |
Blocking | 84dB |
Rated audio power | 1W |
Audio response | +1dB—-3dB |
Rated audio distortion | ≤3% |
Transmitter | |
Channel spacing | 12.5/25KHz(Digital mode 12.5KHz) |
Frequency stability | ±1.5ppm |
TX power | Low:1W High:10W |
FM noise | -40dB@12.5kHz |
Spurious emission | <-36dBm@1GHz,>-30dBm |
Adjacent channel selectivity | -60dB@12.5KHz |
FM modulation mode | 12.5KHz:11FOF3E |
4FSK digital modulation mode | 12.5KHz(data only)7K60FX |
12.5KHz(data+voice)7K60FX | |
Modulation limit | 2.5KHz@12.5KHz |
Audio response | +1dB—-3dB |
Rated audio distortion | ≤3% |
Digital protocol | ETSITSI02361,-1,-3 |
Vocoder type | AMBE+2TM |
Note: Specifications will be revised without notice due to technical improvement.
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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