I am also mentioning the specs below for both the modems, looks like umg1831 is the better option : -
E1750
Huawei Brand New Original ultra slim USB modem
E1750
Huawei E1750 USB Modem Details:
Huawei E1750 Modem(Also AirCard E1750 ) Specifications
UMTS 2100MHz
GSM/GPRS/EDGE(850/900/1800/1900MHz)
Support:
HSDPA data transfer speed up to 7.2Mbps
HSUPA date transfer speed up to 5.76Mbps.
Support PC voice (optional) and SMS services
Support data statistics
Micro SD card reader (up to 4GB)
Plug & Play
Support Windows 2000/XP/Vista and Mac Operating Systems
Weight:30g
Size Dimensions: 70.1×25.6×11.6mm.
The Huawei E1750 HSPA USB Modem is an ultra slim USB modem that is ideal for users who need high speed data on the move. The Huawei E1750 HSPA USB Modem provides the latest plug and play USB modem solution with a modern elegant design.
Installation is straight forward plug and play and does not require any additional software or drivers. Simply place your data enabled SIM (not included) into the Huawei E1750 HSPA USB Modem and plug modem into the USB slot on your laptop.
New Products
Huawei E583C Mifi Router Huawei E173U HSDPA USB Stick ZTE MF30 USB Modem Plus Router
Services
Partners
Popular Huawei 3G Modems
D31HWD21HWD12HWE122E153UE1550E1552E156E156GE160E160GE160EE161E169E169GE170E172E173UE1750E1752E1762E176E180E220E270E272K3715K3520K3565K3760K3765
Popular ZTE 3G Modems
K3565Z(vodafone)MF100MF110MF112MF180MF190MF628MF622MF627MF633MF636MF637MF626MF668
Popular EDGE OEM Modems
E303E306E308
New OEM 3G Modems
Flying Angel 80Flying Angel 86
Router & Others
Huawei B200 Router
Huawei B970 Router
Huawei B970b Router
Huawei E583C Mobile Hotspot
Huawei E585(Three)
Huawei E960 Router
Huawei D100 Router
Huawei E5830 Router
Huawei HG520s Router
Vodafone R201 Router
Huawei UMG181 Modem(T-Mobile)
ZTE MF30 Router
iCON 401 USB Modem
iCON 322 USB Modem
Sierra 885 Modem
Sierra 306 Modem
MERLIN MC930D Modem
MERLIN MC950D Modem
------------------------------------------------------------
Huawei UMG1831 Modem Specifications:
•
Compatibility with HSPA+ network
•HSDPA Download speed up to 21 Mbps ,HSUPA 5.76Mbps
•HSPA/UMTS 2100/ 1900/AWS/850MHz
•GSM/GPRS/EDGE 850/900/1800/1900 MHz
•Compatibility with Micro SD memory cards
System requirements
•Windows (Win 2000 SP4, Win XP SP2/3, Vista SP1/SP2, Win 7) or Mac OS (Mac OS x10.4, 10.5 and 10
•Dimensions : 80mm X 26mm X 10mm
Weight : 30g
This UMG1831 easy-to-use wireless modem is the latest in a line of solid, high-performing USB modems that provides faster-than-3G data transfer speeds. The webConnect Rocket™ HSPA+ Laptop Stick provides fast, easy mobile broadband Internet access for your laptop by automatically finding the best network connection (HSPA+, 3G, HotSpot / Wi-Fi, or EDGE). It is ideal for mobile business users who need consistent wireless access to corporate networks, and others who are mobile and need high-speed connectivity.
E1750
Huawei Brand New Original ultra slim USB modem
E1750
Huawei E1750 USB Modem Details:
Huawei E1750 Modem(Also AirCard E1750 ) Specifications
UMTS 2100MHz
GSM/GPRS/EDGE(850/900/1800/1900MHz)
Support:
HSDPA data transfer speed up to 7.2Mbps
HSUPA date transfer speed up to 5.76Mbps.
Support PC voice (optional) and SMS services
Support data statistics
Micro SD card reader (up to 4GB)
Plug & Play
Support Windows 2000/XP/Vista and Mac Operating Systems
Weight:30g
Size Dimensions: 70.1×25.6×11.6mm.
The Huawei E1750 HSPA USB Modem is an ultra slim USB modem that is ideal for users who need high speed data on the move. The Huawei E1750 HSPA USB Modem provides the latest plug and play USB modem solution with a modern elegant design.
Installation is straight forward plug and play and does not require any additional software or drivers. Simply place your data enabled SIM (not included) into the Huawei E1750 HSPA USB Modem and plug modem into the USB slot on your laptop.
New Products
Huawei E583C Mifi Router Huawei E173U HSDPA USB Stick ZTE MF30 USB Modem Plus Router
Services
Partners
Popular Huawei 3G Modems
D31HWD21HWD12HWE122E153UE1550E1552E156E156GE160E160GE160EE161E169E169GE170E172E173UE1750E1752E1762E176E180E220E270E272K3715K3520K3565K3760K3765
Popular ZTE 3G Modems
K3565Z(vodafone)MF100MF110MF112MF180MF190MF628MF622MF627MF633MF636MF637MF626MF668
Popular EDGE OEM Modems
E303E306E308
New OEM 3G Modems
Flying Angel 80Flying Angel 86
Router & Others
Huawei B200 Router
Huawei B970 Router
Huawei B970b Router
Huawei E583C Mobile Hotspot
Huawei E585(Three)
Huawei E960 Router
Huawei D100 Router
Huawei E5830 Router
Huawei HG520s Router
Vodafone R201 Router
Huawei UMG181 Modem(T-Mobile)
ZTE MF30 Router
iCON 401 USB Modem
iCON 322 USB Modem
Sierra 885 Modem
Sierra 306 Modem
MERLIN MC930D Modem
MERLIN MC950D Modem
------------------------------------------------------------
Huawei UMG1831 Modem Specifications:
•
Compatibility with HSPA+ network
•HSDPA Download speed up to 21 Mbps ,HSUPA 5.76Mbps
•HSPA/UMTS 2100/ 1900/AWS/850MHz
•GSM/GPRS/EDGE 850/900/1800/1900 MHz
•Compatibility with Micro SD memory cards
System requirements
•Windows (Win 2000 SP4, Win XP SP2/3, Vista SP1/SP2, Win 7) or Mac OS (Mac OS x10.4, 10.5 and 10
•Dimensions : 80mm X 26mm X 10mm
Weight : 30g
This UMG1831 easy-to-use wireless modem is the latest in a line of solid, high-performing USB modems that provides faster-than-3G data transfer speeds. The webConnect Rocket™ HSPA+ Laptop Stick provides fast, easy mobile broadband Internet access for your laptop by automatically finding the best network connection (HSPA+, 3G, HotSpot / Wi-Fi, or EDGE). It is ideal for mobile business users who need consistent wireless access to corporate networks, and others who are mobile and need high-speed connectivity.