Military or Army Compass 45-3A

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Product details of the compass :

Model: DC45-3A

Name: Military compass, Army compass, Metal compass

Product Origin: China

Supply Ability: 10,000 pcs/month

Minimum Order: 50 pcs

MOQ for OEM package: 500pcs

Product Size: 76*53*26 (mm)

Color: White Or Golden

Shipping of the Compass:

(1)By sea (FOB Tianjin, CIF or other trade terms)

Low shipping cost & slow delivery (7-30days shipping days a different countries , Suitable for container and bulk, at the same time, non-urgent delivery)

(2)By courier express: DHL, FedEx or TNT

Swift delivery (2-5 work days ),but it will cost much .and door to door for the parcel.

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Q:Can not be installed on the dog like a car on the location of the GPS Dongdong?
The chip implanted into the dog's skin has no effect on the health of the dog, and has the function of "electronic identity card", once lost, it is easy to find the owner. The life of the electronic chip in more than 20 years, can be accompanied by dogs for life.
Q:GPS how to find installed
GPS locator installation:If you understand the power, their own equipment can also be found, in fact as long as the positive and negative power of the car, very good looking body negative, ground is negative, positive in the insurance box, near the car keys to find or directly to the battery switch;
Q:What is the principle of automobile positioning system?
It can be seen that the role of the GPS navigation satellite system is to continuously transmit navigation messages. However, because the user receives the clock and satellite machine using a carrier clock may not always synchronized, so in addition to the 3D coordinates of X, y, Z users, but also the introduction of a t that is the time difference between the satellite and the receiver as unknown, and then use the 4 equation the 4 unknowns out. So if you want to know the location of the receiver, at least to receive the signal of 4 satellites.The GPS receiver may receive for accurate timing information to nanosecond time; for forecasting ephemeris in the next few months which the approximate location of the satellite; used to calculate the required positioning satellite coordinates of the broadcast ephemeris, the accuracy of several meters to tens of meters (each satellite is different at any time change) and GPS system information; such as satellite status.The GPS receiver can get the distance from the satellite to the receiver by the measurement of the code, because it contains the receiver satellite clock error and atmospheric propagation error, it is called the pseudo distance. The pseudo distance measured by the 0A code is called the pseudo distance of the UA code, the precision is about 20 meters, the pseudo distance measured by the P code is called the pseudo distance of the P code, and the precision is about 2 meters.
Q:Mankiw and strong GPS satellite positioning way which is good
In fact, GPS equipment general strategies, mainly to see the software, convenient to use, you have to function, you can also see the two. Try software features, look at the map.
Q:Which satellite positioning system is used on Baidu maps?
This has nothing to do with Baidu maps, the phone is basically the face of the GPS positioning, the compass is not yet mature, has not yet universal.
Q:What are the four global positioning systems?
China's Beidou satellite navigation system and the United States, GPS, Russia's Glonass, the European Galileo (Galileo) and known as the world's four largest satellite positioning system.
Q:Millet 3 how to close the GPS positioning system
In the settings can be closed inside,In the settings can be closed inside
Q:Car GPS positioning system what line
Installation of a variety of color line order to ensure that the connector is not loose, not water. Please use the connection process auto circuit wiring method standard, do not do things carelessly. Wiring processing is not good, on the one hand, it is easy to make the GPS locator power fail to work, there are some short circuit fire safety risks.
Q:The prairie cattle wearing GPS locatorRequire long standby time, at least a month,
The location of the GPS service and Penghu technology, can provide this service, the main functions are:1, one of the functions of real-time positioning platform (real-time query, regional alarm, remote reporting)Real time location: always check the current location of personnel and vehicles. Location information and task delivery and push in time. Scheduling for the company in a timely manner, improve the efficiency of field personnel and vehicles.Area alarm: enterprises can customize the rectangular or circular alarm area, set up the personnel or vehicles to enter and leave the alarm for the enterprise to build an invisible wall, to achieve a comprehensive monitoring and early warning.Zone Alarm: to limit the need to monitor the vehicle, mainly to prevent the vehicle from the scope of the work, and leave a valid certificate;Yaw Management: to monitor the vehicle's dynamic management of the route, if the vehicle is not monitored in accordance with the set of routes, the system will alert the administrator to facilitate the management of the monitoring of the vehicle;
Q:Principle of GPS positioning
GPS (Global Positioning System) is a global positioning system, is the establishment of a satellite navigation system, using the system, users can achieve all-weather, continuous and real-time three-dimensional positioning and velocity measurement in the global scope; in addition, by using this system, users can also make precise positioning and high precision time transfer and high precision.In real life, GPS positioning is mainly used for mobile people, pets, vehicles and equipment for remote real-time positioning and monitoring technology. GPS positioning is a combination of GPS technology, wireless communication technology (GSM/GPRS/CDMA), image processing technology and GIS technology positioning technology, mainly to achieve the following functions:1 tracking and positioningThe monitoring center can monitor the real time position, direction and speed of all the controlled vehicles for 24 hours, in order to grasp the situation of the vehicle in time.2 track playbackMonitoring center can playback at any time within 60 days of the custom period of vehicle travel history, track records. (according to the situation, optional track DVD burning service)

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