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Comparison ZTE MF283U vs Huawei B315s-22

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ZTE MF283U
Huawei B315s-22
ZTE MF283UHuawei B315s-22
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The router is equipped with two ports for connecting an RJ-11 telephone (FXS). Sewing settings for mobile operators. USB output. Connecting external antennas to amplify the mobile signal.
The router is equipped with a port for a wired telephone. USB port. Possibility to connect GSM-antennas.
Product typerouterrouter
Data input (WAN-port)
Ethernet (RJ45)
SIM card
Ethernet (RJ45)
SIM card
4G speed (LTE)Cat.4 (150/50 Mbps)Cat.4 (150/50 Mbps)
Wireless Wi-Fi connection
Wi-Fi standards
Wi-Fi 3 (802.11g)
Wi-Fi 4 (802.11n)
Wi-Fi 3 (802.11g)
Wi-Fi 4 (802.11n)
Frequency band
2.4GHz
2.4GHz
Wireless speed 2.4 GHz150 Mbps
Connection and LAN
LAN
4 ports
100 Mbps
4 ports
1 Gbps
Reassignable WAN / LAN1 port
USB 2.011
Antenna and transmitter
Number of antennas22
Antenna typeinternalinternal
2.4 GHz antennas2
Antennas (mobile internet)2 connectors for antennas2 connectors for antennas
Transmitter power17 dBm
Signal strength 2.4 GHz17 dBm
Functions
Features
NAT
firewall
NAT
firewall
More features
DHCP server
file server
print server
VPN
DHCP server
file server
print server
VPN
Security
Safety standards
WPA
WEP
WPA2
WPA
WEP
WPA2
General
Dimensions195x150x55 mm186x139x46 mm
Weight302 g275 g
Color
Added to E-Catalogapril 2016april 2016

Wireless speed 2.4 GHz

The maximum speed provided by the device when communicating wirelessly in the 2.4 GHz band.

This range is used in most modern Wi-Fi standards (see above) - as one of the available or even the only one. The theoretical maximum for it is 600 Mbit. In reality, Wi-Fi at a frequency of 2.4 GHz is used by a large number of client devices, from which congestion of data transmission channels emerges. Also, the number of antennas affects the speed performance of the equipment. It is possible to achieve the speed declared in the specification only in an ideal situation. In practice, it can be noticeably smaller (often by several times), especially with an abundance of wireless technology simultaneously connected to the equipment. The maximum speed at 2.4 GHz is specified in the characteristics of specific models to understand the real capabilities of Wi-Fi equipment. As for the numbers, according to the capabilities in the 2.4 GHz band, modern equipment is conditionally divided into models with speeds up to 500 Mbit inclusive and over 500 Mbit.

LAN

In this case, LAN means standard network connectors (known as RJ-45) designed for wired connection of LAN devices — PCs, servers, additional access points, etc. The number of ports corresponds to the number of devices that can be directly connected to wired equipment. way.

In terms of speed, 100 Mbps (Fast Ethernet) and 1 Gbps (Gigabit Ethernet) are the most popular options today. At the same time, thanks to the development of technology, more and more gigabit devices are being produced, although in fact this speed is critical only when transferring large amounts of information. At the same time, some models, in addition to the standard speed of the main LAN ports, may have a 2.5 Gbps, 5 Gbps and even 10 Gbps LAN port with increased bandwidth.

Reassignable WAN / LAN

Reassignable WAN / LAN port in the design of the device, which can work both with an external WAN network and with a local LAN. This solution allows you to reduce the total number of connection ports and at the same time expand the functionality of the equipment for flexible adaptation to user needs.

2.4 GHz antennas

The total number of antennas in the router that are responsible for communication in the 2.4 GHz band. For details about the number of antennas, see "Total antennas", about the range — "Frequency range".

Transmitter power

Rated power of the Wi-Fi transmitter used in the device. If multiple bands are supported (see “Ranges of operation”) the power for different frequencies may be different, for such cases the maximum value is indicated here.

The total transmitting power provided by the device directly depends on this parameter. This power can be calculated by adding the transmitter power and the antenna gain (see above): for example, a 20 dBm transmitter coupled with a 5 dBi antenna results in a total power of 25 dBm (in the main antenna coverage area). For simple domestic use (for example, buying a router in a small apartment), such details are not required, but in the professional field it often becomes necessary to use wireless devices of a strictly defined power. Detailed recommendations on this matter for different situations can be found in special sources, but here we note that the total value of 26 dBm or more allows the device to be classified as equipment with a powerful transmitter. At the same time, such capabilities are not always required in fact: excessive power can create a lot of interference both for surrounding devices and for the transmitter itself (especially in urban and other similar conditions), as well as degrade the quality of the connection with low-power electronics. And for effective communication over a long distance, both the equipment itself and external devices must have the appropriate power (which is far from alway...s achievable). So, when choosing, you should not chase the maximum number of decibels, but take into account the recommendations for a particular case; in addition, a Wi-Fi amplifier or MESH system often turns out to be a good alternative to a powerful transmitter.

Signal strength 2.4 GHz

The power of the transmitter installed in the equipment when operating in the 2.4 GHz band (see "Frequency Band").

This parameter directly affects the overall power and, accordingly, the communication efficiency. For more on this, see p. "Transmitter power" above, but here we separately emphasize that high power is not always required, and in some cases it is frankly harmful.
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