Portable Walkie Talkie With Flashlight JS-680
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 Sets set
- Supply Capability:
- 500 Sets Per Week set/month
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Specification of Portable Walkie Talkie With Flashlight JS-680
General | |
Frequency Range | 400- 470MHz |
Channel Capacity | 16 |
Operated Voltage | 7.4V |
Battery Capacity | H-1500 MAh Li-ion |
Battery Life(5-5-90 duty cycle) | About 10 Hours |
Frequency Stability | ±2.5ppm |
Operated Temperature | ﹣20℃-﹢60℃ |
Antenna Impedance | 50Ω |
Dimensions | 97.36mmx57.2mmx29.3mm |
Transmitter | |
RF Power Output | ≤5W |
Modulation | F3E |
Spurious Emission | 65dB |
FM Noise | 45dB(W) /42dB (N) |
Audio Distortion | ≤5% |
Transmitting Current | 1.2A |
Receiver | |
Sensitivity (12dB SINAD) | ≧0.20μV |
Intermodulation | ≧65dB |
Adjacent Channel Selectivity | ≧60dB |
Spurious Response | ≧60dB |
FM Noise | 45dB(W) /42dB (N) |
Audio Distortion | ≤5% |
Accessory | |
Battery/Antenna/Charger/Belt Clip | |
Application of Portable Walkie Talkie With Flashlight JS-680
Certificates of Portable Walkie Talkie With Flashlight JS-680
Workshop of Portable Walkie Talkie With Flashlight JS-680
Testing Equipments of Portable Walkie Talkie With Flashlight JS-680
Shipment of Portable Walkie Talkie With Flashlight JS-680
- Q:How to upgrade handheld navigator
- Hello to the brand's official website to download the latest map copy to memory card on the lineI wish you a pleasant car!
- Q:GPS handheld function to measure it?
- It depends on what kind of GPS handset. Some machines have this feature.
- Q:Saying that we have a project in front of it is to do so, it is surprising that there are wood
- It is really unexpected, basically not, the accuracy is not enough!
- Q:What do you need to test for GPS?
- 5.DGPS you know, differential GPS (DGPS) positioning accuracy is very high, some GPS equipment providers set up a DGPS transmitter in some areas, free of charge to its customers, if customers are buying GPS receivers with DGPS function. The DGPS transmitter is a fixed GPS receiver (in a 100km ~ 200km exploration scene in the radius setting) receive satellite signals, it knows exactly what is the exact time of transmitting satellite signal to the theory, and then compare it with the actual delivery time, then calculate the "difference", influence this is very close to the atmospheric refraction, it will send out the difference, usually with FM (FM) radio data transmission using subcarrier modulation signal in the baseband receiver, GPS and DGPS function can receive and use it more accurate positioning.
- Q:Is it accurate to measure highway mileage with GPS handheld
- Measuring mileage, since the unit has been upgraded to the inside, it is quite accurate oh
- Q:How the German born handheld GPS Mu meter, I want to buy?
- The data acquisition function of scientific, simple and accurate measurement of area, display area and the "Mu", "price" area can be set automatically calculate the area of "price", fit the actual demand Chinese industry users on the data collection and usage, highlighting the professional quality.Is the highest cost-effective mid-range machine
- Q:I bought the way k20s, this handheld GPS how
- Choi way handheld GPS feel that you can also be in the last year, the Zhengzhou Bureau of Surveying and mapping seems to be called the wide Han instrument that home to buy, so there is no problem with it, the price is not expensive.
- Q:Mountaineering to buy a professional GPS or Mountaineering Watch
- Now the mobile phone is the essential tool, mobile phone has GPS, can pre download ordinary maps, satellite maps, and contour map, its function is far more than a handheld GPS or hiking watches, can better meet the needs of the mountain.
- Q:Want to buy handheld GPS in Hongkong, I would like to ask what brand is better, the specific model? Where to buy? How much is the price? In the mainland can be used? More questions, thank you!
- I doubt this question will be answered by the people of Hongkong?Handheld GPS do best is GARMIN, Taiwan and the mainland are agents. It's all the same.
- Q:Seeking the similarities and differences between RTK and GPS
- RTK full name is GPS-RTK real-time dynamic distribution, which you know.
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Portable Walkie Talkie With Flashlight JS-680
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 Sets set
- Supply Capability:
- 500 Sets Per Week set/month
OKorder Service Pledge
OKorder Financial Service
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