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All orders are processed within 1-3 business days after we receive your full payment, excluding weekends and holidays.
As soon as your order is ready, we’ll update the tracking number and inform you of the information. We highly recommend that you register as a Retevis Member here. If the item you ordered is temporarily out of stock, our customer service team will reach out to you. You can choose to wait until the item is back in stock or cancel your order.
Your order will be shipped from China. Also, we have a warehouse in Canada. Therefore, your orders may be shipped from China or Canada Warehouse depending on the availability of the product in our inventory.
The design of IP67 dust-proof and waterproof preventing solid objects and water from damaging the walkie-talkie. Allows you to use RT81 in complex environments.
Secure communications are an essential requirement, especially for public safety applications.
DMR radio RT81 is equipped with 10-bit key data encryption, it prevents eavesdropping and avoids interference to ensure secure communication.
Built-in 2200 mAh battery, an operating time of 15 hours in analog mode and 25 hours in digital mode, and is suitable for daily use.
Security personnel typically work in a busy, noisy environment. The sound quality of the walkie-talkie is especially important. Due to the built-in high-quality speakers, the DMR walkie-talkie provides better noise cancellation. In a noisy environment, it is possible to communicate with others in better quality.
In the security process, it often happens that the walkie-talkie falls by running. Therefore, there are certain requirements for the fall resistance of the two-way radio. A robust shell with stronger protection against falls and earthquakes is more durable.
High power has a longer call range. Low power has a longer battery life. The selection between high and low power can be used flexibly, allowing you to choose the appropriate power in different situations.
For security, it is necessary to communicate. The walkie-talkie supports individual and group calls with ID, by setting the frequency, time slot, etc. to meet complex communication requirements.
Since the RT81 DMR waterproof radio is compatible with both analog and digital modes, it not only retains the analog radio function, but also has the advantages of digital radio, such as better radio performance and longer battery life, higher energy efficiency, and the meantime reduced cost of equipment replacement.
DMR technology offers six benefits, including doubling the capacity of existing licensed channels, backward compatibility with legacy systems, longer battery life, and increased energy efficiency that improves working efficiency, extends walkie-talkie life, and reduces equipment replacement costs.
RT81 handheld DMR radio supports a repeater that is compatible with digital DMR and analog repeaters and extends the communication range.Dual Time Slot expands the channel capacity and extends the communication distance.
UHF in the high-frequency band has better penetration and is more suitable.
All orders are processed within 1-3 business days after we receive your full payment, excluding weekends and holidays.
As soon as your order is ready, we’ll update the tracking number and inform you of the information. We highly recommend that you register as a Retevis Member here. If the item you ordered is temporarily out of stock, our customer service team will reach out to you. You can choose to wait until the item is back in stock or cancel your order.
Your order will be shipped from China. Also, we have a warehouse in Canada. Therefore, your orders may be shipped from China or Canada Warehouse depending on the availability of the product in our inventory.
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