Rugged Army or Military Direction Compass DC45-3A

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Specifications

Model: DC45-3A

Name: outdoor hiking or military compass and army compass, metal compass and marching compass in aluminium material

Product Origin: China

Supply Ability: 40,000 pcs/month

Minimum Order: 100 pcs

MOQ for OEM package: 500pcs

Detailed Product Description

Product Size: 75*53*30 (mm)

Color: Black

Material: Zinc Alloy

Features:

1)Can easily folds to fit in your pocket

2) The compass is highly accurate and features a liquid-damped compass card with a luminous dial that can easily

be read at night, and a standard bezel with two yellow lines at 45 degree angles

3) The compass card has both the standard 0 - 360 degree scale, as well as the 0 - 64Mil scale (one yard at 1,000 yards)

4) The bezel rotates with detents every 3 degrees so you can change the heading reference a known amount without looking at the compass

5) The front sight has a magnifier to simultaneously view the magnetic heading when taking a sight

6) A second magnifier assists in reading the magnetic heading when direct viewing from above

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Q:GPS positioning system on the phone how to use ah?
You can open the mobile phone on the system GPRS function or download a map on the map after the Tencent will automatically ask if you need to start positioning and navigation function of the map quite accurate and I have been using a new version of what no big problems of a lot of function of street map is also quite practical to find accommodation search surrounding taxi OK very convenient
Q:How to design and manufacture of micro GPS tracking locator
you can buy in the market, and then according to their own modules to assemble
Q:GPS locator tracker is always in the offline state is how to send text messages are appropriate.
3, check whether the instruction GPRSSET# domain name and APN is specified platform name, if it has been modified instructions to restore FACTORY# to rice platform.4, check the device phone card GPRS traffic is open.5, when the query is normal, restart to see whether the line, RESET#6, if you can not be on the line, only to return to factory testing.
Q:Want to install a car battery GPS locator to how much money
A, GPS locator to achieve positioning function requires three indispensable elements:1, GPS locator hardware device;2, the transmission network (commonly used in the United States and the United States card, SIM card);3, show the location of the GPS platform software;
Q:How much is the platform cost per month after the installation of GPS positioning system
Simple to tell you about the composition of the GPS positioning:1, you need to have a GPS locator, which is the hardware device;2, the need for a physical card, this card is mainly through the joint locator card GPRS upload location information in the access position, the IOT cartoon vulgar point is that mobile phone card, but the card is only the flow of things, can not call card;3, to which you can query the GPS positioning platform position, generally show the way through the map display directly installed GPS locator vehicles or personnel location information specific to the longitude and the approximate distance apart of various buildings;The above three is what you want to be established;The general need to spend is to buy the cost of the GPS locator, the United States and the United States card monthly fee, as well as the use of the platform fee; the United States and the United States are generally charged directly to the mobile card or linkage operators;Each GPS positioning platform software card developers are different, like a paper spill GPS locator I use is free, platform services, like car life GPS positioning platform is their own research and development, it is generally free or low; I will give the mobile node per month IOT card monthly, then the original purchase cost locator;But if you do not belong to the locator direct sales or not the manufacturers own research and development, the general charges are relatively expensive, after all the software development business to manufacturers received money, manufacturers or agents, agents and then charge you, this is probably!If it is not their own research and development of the positioning platform, then, if free, then most of the GPS positioning platform is not guaranteed after sale, after all, software developers do not have income, where there are people in vain to maintain the platform!
Q:Is the relay of the GPS locator installed in the front or rear of the high voltage package?
What is the relationship between the relay and the high voltage package? The high voltage package is supplied with high voltage current to the spark plug. You put the relay directly connected to the battery, the relay into the 12V power on the line
Q:Electric vehicle GPS locator about how much money, do you know?
GMS burglar alarm; vibration triggered local and mobile alarm, about more than and 200 dollars.
Q:Motorcycle GPS locator which brand is good
Motorcycle GPS locator is simple, compact and compact, strong anti-interference, Baidu look at it, there are a lot of good GPS locator brand oh
Q:GPS locator that platform is goodGPS locator that platform good?
1, is not the same, different manufacturers of the products are very different, the price difference is very big, there is also a difference in quality, the product design is not so simple, such as appearance, shell, circuit, components, batteries, chips, low-priced products can be purchased inferior goods, conscience products will buy high-end goods, finished goods the cost price will be different, you can think of the low-priced products where the cost of province.2, GPS locator operation is the need to rely on the platform, but the platform is not your imagination of so far, first, it is a set of system and mature a server, as long as the system maintenance, server operation is stable, there will be no problem, in fact, basically no problem positioning platform. General problems arise in the quality of the product.3, I often use GPS positioning products, Rui Feng Huizhi workmanship and materials are among the highest in the industry.4, their products are not only sold in the country, but also in the global sales, and even positioning platform and software are to support multi language, can be assured that the use of.The above four points is a little understanding, I hope to help you
Q:At present, the accuracy of civil GPS in the end is how much?
GPS general civil 3M accuracy, military 0.3m. Carrier positioning speed is slow, regardless of civilian or military, precise point positioning, then more than half an hour, if the observation time is long enough to reach mm level accuracy. In addition to differential positioning, accurate location is known one or several points, for those who point to be modified using the location information of several points, can use the mobile phone signal, radio data transmission to the designated station, which quickly and accurately obtain the coordinates of points to be determined, but it is limited to a certain extent the.The positioning accuracy is measured by the coordinate (x, y, z) and reference (ellipsoid, the 3D coordinates of the human definition of direction) of the point on the real coordinates of the gap between the actual coordinates cannot be obtained, the general accuracy is obtained by using the mathematical method of valuation, the probability and statistic.

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