Portable Walkie Talkie With Flashlight JS-680
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- 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 | |
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Testing Equipments of Portable Walkie Talkie With Flashlight JS-680
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- Q: Seeking the similarities and differences between RTK and GPS
- GPS is a satellite system of the United States, is a kind of GNSS, GPS is widely used in surveying and mapping, the use of static and dynamic, RTD, dynamic RTK, RTK is a real-time dynamic difference, the accuracy of centimeter level, that is to say RTK is a GPS application method
- Q: What is the difference between industrial GPS handset and mobile navigation
- 5, strong battery life, is a major feature of professional GPS, Garmin handset General of dry batteries can be used more than ten hours, while the mobile phone GPS on GPS also can use a few hours, if you open the GPS in general about 3 hours will be over.6, supporting different software. Professional GPS handheld opportunities related to the PC end of the data processing software, this software can achieve the acquisition of data processing, as well as the application of data collection. The phone GPS can only navigation, and navigation is only a small part of the GPS function.I simply say these, this is my personal summary of the difference, if you have what is not clear can exchange. Want to help you.
- Q: Handheld GPS which brand is good
- Now GPS can also do handheld measurement accuracy, precision can usually reach decimeter level, the industry there are relatively well-known Huace, professional GPS measurement instrument, high precision of handheld GPS the good.
- Q: My cell phone: HTC Hero 200Question type: Internet softwareMy work needs to locate, record, output, and input GPS coordinates. Track record measurement, coordinate transformation. So would you have a professional security software under the table, so go out with a mobile phone or a PAD, or N equipment back to survey the tired,
- SOSO map is good, I use this.Kelid navigation is also good.
- Q: How to use the handheld GPS whole watershed investigation
- The critical value is an object from a physical state to another physical state, a physical quantity to meet the conditions, which is equivalent to the stagnation point in Mathematics
- Q: In addition to the parameters, that is the problem of the machine, what method can reduce the error of these two machines to a minimum. Because, at the same time to find a coordinate. The gap is too big.
- GPS was in error with 10 meters, with the star search results, related to the environment, if the precision is high, as long as the use of handheld GPS submeter or handheld RTK
- Q: How about the accuracy of the GPS handset?
- So the selection depends on your needs the function and budget. Haida official website mall "mobile MGIS mall".
- Q: How to hand GPS eTrex H data to the computer
- Computer installed on the MapSource software, connect the data cable, upload waypoints and tracks can be!
- Q: I just bought a handheld GPS Magellan No. 1, showing the latitude and longitude coordinates, I want to set the geodetic coordinates of latitude and longitude, do not know where to set, I would like to ask you, how to set, there is a better picture shows the best, thank you so much.Magellan GPS 210 is not 2000 shy
- Latitude and longitude is the geodetic coordinates, the landlord said to be set up for the use of the projection plane Cartesian coordinates - Beijing 54 or Xi'an, the 80 plane rectangular coordinates it.1 position: [format setting unit - "[] position display format is set to User UTM Grid, and enter the relevant parameters, such as the 3 degree or 6 degree with the area with the central meridian projection, the ratio was 1, that deviation is 500000m, north-south deviation is 0.
- Q: How the German born handheld GPS Mu meter, I want to buy?
- Brian GPS handheld measuring instrument type 30A is a German born Mu launched a new professional Mu instrument, using high sensitivity GPS receiver chip, GPS super signal tracking capability, satellite positioning easily.
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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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