Comparison Pantech UML290 vs Pantech UML295
Add to comparison |  |  |
|---|---|---|
| Pantech UML290 | Pantech UML295 | |
from $9.96 up to $18.36 | from $29.96 up to $41.40 | |
| TOP sellers | ||
| Device type | USB modem | USB modem |
Connection | ||
| Communication generation | 2G 3G 4G (LTE) | 2G 3G 4G (LTE) |
| 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 |  | |
| SIM card slot | | |
General | ||
| Dimensions | 89x58x10 mm | 86x18x38 mm |
| Weight | 62 g | 48 g |
| Added to E-Catalog | january 2015 | january 2015 |
Compare Pantech UML290 and UML295
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Glossary
MIMO antenna connection
The ability to connect the MIMO antenna (the antenna itself, usually, must be purchased separately).
MIMO technology is used in Wi-Fi communications, as well as in 4G LTE networks (starting with Cat.2). Its general principle is to split the transmitted signal into several transmitting and receiving antennas; at the same time, each of the transmitting antennas broadcasts a signal to all receiving antennas at once (or at least to several of them). This format of operation allows more efficient use of the frequency range, increases the actual data transfer rate, and also increases resistance to interference. But antennas for MIMO are rather bulky, in the case of modems it is difficult to make them built-in; and such feature is required not so often. Therefore, separate external antennas are used to work with this technology.
Note that even in portable Wi-Fi hotspots (see "Type"), this feature is used exclusively for 4G/LTE; Wi-Fi connection is provided by built-in antennas.
MIMO technology is used in Wi-Fi communications, as well as in 4G LTE networks (starting with Cat.2). Its general principle is to split the transmitted signal into several transmitting and receiving antennas; at the same time, each of the transmitting antennas broadcasts a signal to all receiving antennas at once (or at least to several of them). This format of operation allows more efficient use of the frequency range, increases the actual data transfer rate, and also increases resistance to interference. But antennas for MIMO are rather bulky, in the case of modems it is difficult to make them built-in; and such feature is required not so often. Therefore, separate external antennas are used to work with this technology.
Note that even in portable Wi-Fi hotspots (see "Type"), this feature is used exclusively for 4G/LTE; Wi-Fi connection is provided by built-in antennas.