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Характеристики
100% NEW TYT TH-9800 Walkie-talkie 29/50/144/430 MHZ QUAD BAND TRANSCEIVER Mobile Car Radio | Мобильные телефоны и
История изменения цены
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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Jun-22-2026 | 0.45 руб. | 0.46 руб. | 0 руб. |
| May-22-2026 | 0.46 руб. | 0.60 руб. | 0 руб. |
| Apr-22-2026 | 0.17 руб. | 0.74 руб. | 0 руб. |
| Mar-22-2026 | 0.12 руб. | 0.60 руб. | 0 руб. |
| Feb-22-2026 | 0.42 руб. | 0.32 руб. | 0 руб. |
| Jan-22-2026 | 0.31 руб. | 0.27 руб. | 0 руб. |
| Dec-22-2025 | 0.80 руб. | 0.0 руб. | 0 руб. |
| Nov-22-2025 | 0.56 руб. | 0.7 руб. | 0 руб. |
| Oct-22-2025 | 0.29 руб. | 0.68 руб. | 0 руб. |
Описание товара
100% NEW TYT TH-9800 Walkie-talkie 29/50/144/430 MHZ QUAD BAND TRANSCEIVER Mobile Car Radio
TYT TH-9800 Mobile Radio New listing
1. Quad Band Operation: includes 29/50/144/430MHz Four amateur Bands 2. Wide Receive Coverage: includes 26-33MHz,47-54MHz,108-180MHz,320-512MHz and 750-950MHz(except cell phone). 3. Main Band A+Sub Band B independent operation design. 4. V+V & U+U & V+U Dual Receiver Design. 5. V+U Full Duplex Operation. 6. Cross-Band Repeater Function. 7. Detachable Front Panel. 8. Ultra-size LCD Screen Dual Display. 9. 50W Output Power for 29/50/144MHz, for 35W for 430MHz. 10. More than 800 Memory Channels. 11. 50 CTCSS/1024 DCS/DTMF/2 Tone/5 Tone 5 kinds of signaling. 12. 8 groups of Voice Scrambler option Special Note: TH-9800 Mobile Radio: 6m band (50.0-54.0MHz) “Atmospheric duct” And 10m band (28.0-29.7MHz) ionospheric reflection characteristics can be connected with Amateur Radios station on a global scale communication(DX). This feature is essential for amateur radio expedition, adventure, off-road and all other outdoor activities. In other emergency situations such as trapped or communication limited, it can make sure that you are able to communicate with the outside world. In telecommunication, an atmospheric duct is a horizontal layer in the lower atmosphere in which the vertical refractive index gradients are such that radio signals (and light rays) (a) are guided or ducted, (b) tend to follow the curvature of the Earth, and (c) experience less attenuation in the ducts than they would if the ducts were not present. The duct acts as an atmospheric dielectric waveguide and limits the spread of the wavefront to only the horizontal dimension. Atmospheric ducting is a mode of propagation of electromagnetic radiation, usually in the lower layers of Earth's atmosphere, where the waves are bent by atmospheric refraction.[2] In over-the-horizon radar, ducting causes part of the radiated and target-reflection energy of a radar system to be guided over distances far greater than the normal radar range. It also causes long distance propagation of radio signals in bands that would normally be limited to line of sight. Normally radio "ground waves" propagate along the surface as creeping waves. That is, they are only diffracted around the curvature of the earth. This is one reason that early long distance radio communication used long wavelengths. The best known exception is that HF (3-30 MHz.) waves are reflected by the ionosphere. The reduced refractive index due to lower densities at the higher altitudes in the Earth's atmosphere bends the signals back toward the Earth. Signals in a higher refractive index layer, i.e., duct, tend to remain in that layer because of the reflection and refraction encountered at the boundary with a lower refractive index material. In some weather conditions, such as inversion layers, density changes so rapidly that waves are guided around the curvature of the earth at constant altitude. Phenomena of atmospheric optics related to atmospheric ducting include the green flash, Fata Morgana, superior mirage, mock mirage of astronomical objects and the Novaya Zemlya effect Product parameters:
radio walkie talkie, radio walkie talkie,Applications; wild adventure through the desert across no man's land of scientific exploration of oil mining virgin forest forestry sector and other government departments, the military ...... Scope: Travel, outdoor activities, property management, hotel, construction, factory scheduling, railway, transport, shopping malls, Cheyou, Hang Out and so on..... Package Contents: 1 x TH-9800 Mobile Transceiver 1 x Microphone 1 x Mobile Mounting Bracket 1 x DC Power Cord with Fuse 2 x Spare Fuse 15 A 1 χ Microphone Clip 1× Screw Sets 1× Remote Front Panel Bracket 1 x English Operating Manual 1 x Extension Cable 
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