PMR/FRS/GRMS Бесплатная Лицензия ручной UHF дешевле 3 км Pmr
- Категории: Walkie Talkie >>>
- Поставщик: Quanzhou,Chierda,Electronic,Telecom,Co.,Ltd.
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Описание и отзывы
Характеристики
Product Description
Product name | PMRFRSGRMS Free License Handheld UHF Cheaper 3km Pmr 446 Radio | ||||
Frequency Range | 400.000~480.000MHz or 450~520MHZ | ||||
Rated Voltage | DC3.7V(Li-ion battery) | ||||
emory Channel | 16 | ||||
Channel Spacing | 12.5KHz/25KHz | ||||
Frequency Sensitivity | ± 2.5PPM | ||||
Antenna Impedance | 50 Ω | ||||
Dimension | 95*47*22mm (except antenna) | ||||
Output Power | 3W/0.5W | ||||
Current | ≤ 1.1A | ||||
Modulation Distortion | ≤ 5% | ||||
Maximum Frequency Deviation | < 5K/< 2.5KHz | ||||
CTCSS Frequency Deviation | 0.75KHz ± 50Hz | ||||
Remanent Radiation | ≤ 7uW | ||||
Modulation Mode | 16KΩF3E/11KΩF3E | ||||
Remanent Modulation | ≤ -35DB | ||||
Receiver: | |||||
RF Sensitivity | ≤ 0.20uv | ||||
Silent Sensitivity | ≥ 60/70db | ||||
Audio Distoftion | < 5% | ||||
Audio Frequency Power | ≥300mw | ||||
Modulation Receiver Bandwidth | ±7KHZ | ||||
Spurious Rejection | ≥ 55DB | ||||
Intermodulation | ≥ 60DB | ||||
Detailed Images
usb charger
.Modulation Type: F3E
Channels: 16Scramble, frequency hopping, voice companding
Light weight and compact design, feel free to communicate
Colorful Radio
Scanning function
Busy Channel lockout
Battery saving function
Compact and portable
X9 unique design concept to achieve the ultimate volume,only to improve the user experece
Built-in antenna Design
Break the trasitional ideas, Built -in antenna design,easy to carry ,to avoid the antenna is broken
Packing & Delivery
Various occasion
Corporativa parnter
Buyer feedback
FAQ
Q. Why sometimes your partner's voice is intermittent?
A. Please note that you are within normal communication range, If you want use radio in distance range, please change other antenna with a bigger output power.
If still same problem, please send the radio back to your authorized dealer repair.
Q. Can't turn on talky and even it is switch on, it often shuts off automatically?
A. Please check the battery contacts on the walkie talkie. If it is broken or twisted, please return the radio to your authorized dealer for maintenance during warranty.
Q. Can't transmit or receiver signal with other members?
A. First, please verify that the channel frequency and the CTCSS you are used the same as those of your group members. Please make sure that you and your partners are all within the radio coverage, If the channel frequency and the CTCSS are the same.
Q. Why sometimes received voice from other groups?
A. Two way solutions.You can change another channel or change another channel frequency by PC software.
Q. Which is better – VHF or UHF?
A. Depends on the terrain. The UHF signal is attenuated or absorbed by foliage, rough terrain and trees, VHF does better outdoors. The VHF has difficulties penetrating steel and concrete, UHF does better in and around buildings. If you use the radios in both environments, we prefer using UHF band.
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