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Comparison Huawei E3372h vs Huawei E8372

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Huawei E3372h
Huawei E8372
Huawei E3372hHuawei E8372
from $45.50 
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Works as a USB tethering and Wi-Fi hotspot. Support for up to 10 connected devices. Slot for microSD memory card. Functional mobile application. Two connectors for connecting external antennas.
Device typeUSB modemUSB modem
Wi-Fi
 
 
Wi-Fi 3 (802.11g)
Wi-Fi 4 (802.11n)
Connected devices, up to10
Connection
Communication generation
2G
3G
4G (LTE)
2G
3G
4G (LTE)
4G (LTE)Cat.4 (150/50 Mbps)Cat.4 (150/50 Mbps)
Transmission technology
GPRS
EDGE
W-CDMA
HSUPA
HSDPA
HSPA+
LTE
GPRS
EDGE
W-CDMA
HSUPA
HSDPA
HSPA+
LTE
Ports
USB
USB
Features
External antenna connector
MIMO antenna connection
Memory card slot
 /microSD/
 /microSD/
SIM card slot
General
Dimensions85х28х12 mm94x30x14 mm
Weight40 g
Added to E-Catalogseptember 2018august 2015

Wi-Fi

Wi-Fi connection speeds, more precisely, Wi-Fi standards supported by a modem with the appropriate capabilities (see "Type", "Connection").

— Wi-Fi 3 (802.11g). A further development of the Wi-Fi 1 (802.11b) standard, developed primarily for increasing connection bandwidth (2.4 GHz) and introduced in 2003. 802.11g hardware is fully backwards compatible with 802.11b, so even the simplest of today's Wi-Fi devices support both of these standards.

— Wi-Fi 4 (802.11n). The Wi-Fi standard, which is a further development of the formats described above — in particular, by supplementing them with support of MIMO technology (distribution of input and output between several antennas). Introduced in 2009. The main operating frequency is 2.4 GHz, but there are devices supplemented with a 5 GHz band.

Wi-Fi 5 (802.11ac). Built on top of 802.11n, introduced late 2013. The main improvements were the increase in the number of streams at the second frequency (5 GHz) and the introduction of more advanced MIMO and modulation standards, which increased the throughput accordingly.

Connected devices, up to

The largest number of devices that can be simultaneously connected to the modem via Wi-Fi (see "Connection").

The presence of this limitation is due to the fact that processing network requests from several devices at once requires a fairly large amount of computing resources, and there are not so many of them in miniature electronics like wireless modems. However, even inexpensive models can support about 5 – 6 devices, which is more than enough for most cases; and in more advanced modems, this number can reach 10.
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