backhaul antenna

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A summary of several criteria for choosing a wireless router when buying

will also increase. Currently the international regulation of the maximum launch power of 20DBM (or 100MW), but now the market most of the products are not up to this value, we are in the choice of course the closer the better. Wireless Router selection standard 3, antenna gain Wireless products are mostly antennas, this antenna can be good or bad for wireless products have a direct impact on the selecti

How to choose a wireless router today

ordinary users 54M products can fully meet the needs of the Internet. 2. Transmitting power: We know that the unit of measure of power is watt. In the same way, wireless devices also use transmitting power to measure the performance of the transmitter. The unit of measurement for transmitting power is dbm or MW. Like the relationship between the brightness and wattage of a light bulb, the transmission distance of the wireless device is also connected with the transmit power. With the increase

Analysis of CDMA wireless network optimization

The development and prosperity of wireless networks are inseparable from the construction of networks. However, problems such as poor planning or adaptability to the current environment may also occur during the construction process. Then we need to optimize the network. Next we will introduce the optimization of CDMA wireless networks. The CDMA system needs to be gradually expanded and optimized during the operation process, and most of the problems in the mobile communication network are unpre

Three factors lead to frequent disconnection of wireless network connections

Source: CCID In most cases, frequent wireless connection disconnection is caused by improper use. It is usually manifested in faults such as weak wireless signal, difficult connection, slow communication speed, and disconnection. The reason is generally caused by the following factors. 1. Human Factors The distance between the wireless router and the network card is too long. In this case, you can only configure an appropriate antenna. There are obsta

To purchase a wireless route product, refer to "three points"

port of the wireless routing product. For network products in long-term working conditions, the advantages and disadvantages of the Heat Dissipation Capacity will directly affect the product stability and service life, so by carefully observing the shell material, heat sink port and volume, we will probably get some information about the product's heat dissipation performance. Of course, this is also one of the best methods to detect wireless routing products before purchase. 3. view the

Day-Feed coverage scheme

Day-feed coverage, as the name implies is the use of AP, feeder, plus ceiling antenna to build wireless network. thereby reducing the use of APS to reduce the interference of the same frequency.Working principle:Day-feed coverage using APS are high-power industrial wireless APs, power is the general home wireless router 7-8 times, is the general ceiling-type AP 5-6 times, high-power is to ensure the basic coverage effect. The greater the power, the be

The principle of how WiFi is worn through walls

Today's home routers usually bring a few antennas, long, the appearance is not good-looking, but most users like, think has the antenna router launch out of the signal will be very good, even in the home more remote corner, mobile phone show WiFi signal is also full, that is to wear a wall effect is very good, is this? The first thing we need to sort out is the weak WiFi signal for routers and mobile phones. Because the mobile phone's main function

3g Wireless network optimization

different periods. 2. 3G Wireless network optimization process From the experience of domestic CDMA network optimization and the experience of 3G operation in foreign countries, the optimization process of 3G network can be started from following several stages. (1) Verification A Verify all information related to wireless in the database: including site coordinates, structure type, antenna position, antenna

MIMO: using multi-dimensional Transmission solutions to increase transmission capacity (1)

multi-dimensional transmission scheme: one single RF channel is used to send and receive two or more signal streams. As a result, the wireless communication system can transmit data twice or more in a channel. In the system, use more than one high-integration RF upconverter) and antenna to transmit these multiple signals, and there is also more than one high-integration RF downconverter) and the antenna to

Wireless Network tips: Set Enhanced Wireless Network Signals

channel. In this way, all users use the channel in the default configuration of the router, which is prone to channel interference. If nearby neighbors use the same channel as ours, our wireless signals will be affected. We can also use the Network Stumbler software for scanning to see which wireless signals exist nearby and which channel is used. Then modify our own wireless channels to avoid duplication with other channels. In addition, you should note that the signal of a channel will interf

Network Management World: weak wireless network signals

. In this way, all users use the channel in the default configuration of the router, which is prone to channel interference. If nearby neighbors use the same channel as ours, our wireless signals will be affected. We can also use the Network Stumbler software for scanning to see which wireless signals exist nearby and which channel is used. Then modify our own wireless channels to avoid duplication with other channels. In addition, you should note that the signal of a channel will interfere with

Cleverly set Enhanced Wireless Router network signals

channel in the default configuration of the router, which is prone to channel interference. If nearby neighbors use the same channel as ours, our wireless signals will be affected. We can also use the Network Stumbler software for scanning to see which wireless signals exist nearby and which channel is used. Then modify our own wireless channels to avoid duplication with other channels. In addition, you should note that the signal of a channel will interfere with two adjacent channels at the sa

Method of frequent disconnection of wireless network connection

one, human factors The distance between the wireless router and the network card is too long, in this case can only be solved by a different configuration of the appropriate antenna. The wireless router and the network card have the obstacle influence, sometimes also can cause the disconnection breakdown, for instance the indoor complex environment, the wall, the furniture influence. So try not to go through walls over three floors as much as possib

The standard and development of 3g

realized by using multiple circuits and packet switching connections on a single terminal. You can support business with different quality requirements, such as voice and packet data, and ensure high quality and perfect coverage. (2) High spectrum efficiency. WCDMA can efficiently use the radio spectrum. Since it uses single cell multiplexing, frequency planning is not required. The network capacity can be greatly improved by using the layered cell structure, adaptive

Analysis of weak wireless network signal

. Extended antenna enhancement Signal Because the antenna gain size directly affects the signal transmission strength and receiving capability, some routers on the market use detachable antennas, therefore, replacing a high-gain antenna with a wireless router is the most direct method to enhance the signal. The gain antenna

How to enhance wireless network signals

electromagnetic interference to wireless networks when working, so the placement of wireless routers should also be as far away as possible. 3. Extended antenna enhancement Signal Because the antenna gain size directly affects the signal transmission strength and receiving capability, some routers on the market use detachable antennas, therefore, replacing a high-gain

Concept Analysis: dBm, DBI, DBD, DB, DBC, dbuv

1. DBMDBM is the absolute value of power. The formula is: 10lgp (power value/1 MW ).[Example 1] If the transmit power P is 1 MW, it is converted to dBm and then 0dbm.[Example 2] for 40 W power, the converted value in dBm unit should be:10lg (40 W/1 MW) = 10lg (40000) = 10lg4 + 10lg10 + 10lg1000 = 46dbm. 2. DBI and DBDDBI and DBD are the obtained Gain values (power gain). Both are relative values, but the reference standards are different. The reference of DBI is a full-direction

Vehicle configuration Glossary (5): Seat and Body Configuration

relaxing. The middle of the front-row central armrest is placed in the middle of the front-row seat, while the majority of the back-row central armrest is a foldable armrest, placed in the center of the back-to-back. ●Body Color It is the color of the vehicle body painted at the factory. We usually divide the color of the body into three categories: monochrome, two-color, and color trim. Currently, most cars are in a single color (also called the same color), while Mini and smart cars are in

Bluetooth GPS Module

receives the digital signal to receive the D/a transformation, becomes the analog signal. Bluetooth module BRF6100 Bluetooth signal transceiver is realized by Bluetooth module BRF6100. BRF6100 is the TI company recently introduced to follow the Bluetooth V1.1 standard wireless signal transceiver chip, its upgrade model BRF6150 support V1.2 Standard, BRF6100 main features are: Digital wireless processor in-chip DRP (Digitalradioprocessor), CNC oscillator, Chip RF transceiver switch switch, bui

What is TD-SCDMA

channel. This frame structure is subdivided into several time slots. In the TDD mode, it is easy to switch between the upper and lower links flexibly. The salient advantage of this pattern is that the time slot allocation between the top/downlink links can be changed by a flexible conversion point to meet different business requirements. In this way, using TD-SCDMA technology, all 3G symmetric and asymmetric services can be realized by changing the switching point of the upper/down link flexibl

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