Professional Handheld Two Way Radio JS-980
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 Sets set
- Supply Capability:
- 500 Sets/Week set/month
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Specifications of Professional Handheld Two Way Radio JS-980
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 | 127mmx61mmx36mm |
Transmitter | |
RF Power Output | 7W |
Modulation | F3E |
Spurious Emission | 65dB |
FM Noise | 45dB(W) /42dB (N) |
Audio Distortion | ≦5% |
Transmitting Current | ≦1000mA |
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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Shipment of Professional Handheld Two Way Radio JS-980
- Q: I would like to ask the GPS handset and GPS receiver (Surveying and mapping qualification application needs) is there a difference? If yes, what is the difference?
- 1. GPS is a geodetic instrument, with an accuracy of CM, generally for the millimeter,,Divided into (1) pure static type, such as the South Star of the North Star, the accuracy of mm, now the basic domestic,,(2) RTK, RTK can do is use, carrier phase measurement, the precision is cm level, RTK mobile station must have the control hand book, like television and remote similar, but now there are a lot of hand book can be used as handset2. The handset is generally rough field positioning equipment, navigation for mobile phone use, the general size, precision grade m, now can to about 20cm, and can be used for RTK mobile station use (need to access the base station) can reach cm level.Surveying and mapping qualification applications require geodetic measurement equipment, that is, 1.Now domestic GPS, such as the Haida, the south, China, etc. can be measured, not expensive
- Q: Handheld GPS need to put the phone card?
- Hello, now the general GPS are required to put the card! Thanks
- Q: Can a handheld navigator connect a cell phone? Thank you
- Now basically use the phoneEasy update and operation
- 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: Hand held GPS coordinate conversion method
- Three parameter test DX, DY, DZ, DA, DF after the conversion parameters of the five, must be prompted to enter the handheld GPS, while the input area of the central meridian longitude. E on behalf of the east longitude, projection ratio of 1, the deviation of things to the north and south of the deviation of 0, and set the unit for M. Enter these parameters, should be taken to the field test, check whether these five parameters are correct. The method is selected, vision, GPS receiving signal strength of the feature points in the field (such as linear object intersections, independent features, etc.) is the best stone control points were measured and compared with theory and find out the coordinates of these points. If the results of the comparison exceed the nominal accuracy of the instrument, the conversion parameters or the problems that should be found should be recalculated.
- Q: What is the difference between a hand-held GPS and a car's onboard navigator
- As the first floor of a friend to answer the same, the general application of hand-held devices in land surveying, mountain climbing and other precise positioning when measuring the use of. Long standby time, three good performance. Easy to carry. A single charge can be used for a long time (depending on the machine). Although navigation, but the map is not detailed. At the same time, there is an opportunity to have latitude, latitude and other information.The car navigation is designed for users to drive out, in the field when not familiar with the road, ah, not familiar with the surrounding buildings, such as parking, hospitals, restaurants, gas stations. Used. Map details. But does not provide information such as latitude accuracy. No elevation.Look what you're doing. There is also a mobile phone navigation function.If you are purely for entertainment, then choose the phone.If you want to navigate in the car, select the vehicle navigation.If you are a very professional outdoor sports enthusiasts on the choice of handheld.
- Q: Handheld GPS and mobile phone GPS what is the difference?
- The same: GPS main chip may be the same; can complete the GPS positioning;
- Q: How to use the handheld GPS whole watershed investigation
- Some people think that the use of critical state to solve the most value should be cautious, we must first distinguish the relationship between the two states
- Q: I am a handheld GPS precision is low, how to use to be able to improve certain accuracy
- If the carrier phase measurement function is not available, you have the maximum accuracy of GPS accuracy of 1-10This can only improve the observation environment using SBAS and other ways to improve the accuracy
- 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".
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Professional Handheld Two Way Radio JS-980
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 Sets set
- Supply Capability:
- 500 Sets/Week set/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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