Review of D-Link DIR-456U HSUPA 3.75G Residential Router along with features, specs and pros & cons

Read all about the D-Link DIR-456U HSUPA 3.75G Residential Router and know its features and technical specifications. Go through our review along with the pros and cons of D-Link DIR-456U HSUPA 3.75G Residential Router

Design of D-Link DIR-456U HSUPA 3.75G Residential Router

D-Link DIR-456U HSUPA 3.75G Residential Router is a sleek and highly compact device and it is ideal for home use. Now talking about the dimension of this device, this device has height of 34mm, width of 112 mm, Depth of 165 mm. So this device is good and will easily fit at any place in your house. There are three ports given at the back and one for telephone line. A reset button is also provided at the back and a slot for inserting SIM is also there. There is a WPS button to start the power and a 12 V power connector is provided at the back. There is no antenna in this device and this device turns your 3G connection in to a Wi-Fi hotspot, this will make your browsing experience easy. So this was all from the design point of view.
DLink DIR-456U router

Technical specification

D-Link DIR-456U HSUPA 3.75G Residential Router comes with the one year warranty but does not cover accidental damages. This device performs well in 10% to 90% humidity and temperature range of 10 to 40 degree Celsius. This device follows the Standard of IEEE 802.11b/g, IEEE 802.3, IEEE 802.3u protocol networking and since this device has the facility of inserting a SIM (3G only), it can operate on GSM Band: 1900 MHz, UMTS / HSDPA Band: 2100 MHz without any problem. Speed given by this device is also very impressive, for LAN its gives 10 Mbps and for WAN it gives a speed of 100 Mbps. Security system in this device is also very good and have 64/128-bit WEP, WPA, WPA2 (Wi-Fi Protected Access) encryption for data. This device also comes with a firewall which has SPI (State full Packet Inspection), NAT (Network Address Translation). A standard RJ-11 allows you to connect your phone to this device for calling and cordless phone can also be connected with this device. So this was all from technical side.


Since this device is manufactured by the famous router maker known 'D-Link', it is full of various features. This device supports the calling feature, which is unique in itself. It integrates your 3G network for calling and video calling also. This removes the need of buying another device for calling. You just need to insert a 3G SIM. This device has a simple installation, you just have to insert a Sim and the rest work is done by device itself. Proper indication by LED gives you clear view and confirm whether device is working properly or not. This device comes with CE Certification, FCC Certification for radiation levels. Advance data encryption and firewall protects your network from theft and illegal sharing of data.


Current price of D-Link DIR-456U HSUPA 3.75G Residential Router in India is Rs 7360 and available at all leading stores in India.

Pros and Cons of D-Link DIR-456U HSUPA 3.75G Residential Router

Let's see the pros and cons of D-Link DIR-456U HSUPA 3.75G Residential Router because I think at the end of the day these two things matter a lot.

Also Check Out: Top selling pocket 3G wireless routers

Pros of D-Link DIR-456U
1) Noiseless operation of this device
2) Calling features are available in this device.
3) Sim insertion facility is available in this device; radiation levels in this device are also less.

Cons of D-Link DIR-456U
1) Costly device for home users but suitable for large homes like villa.
2) Size of this device can be reduced a little, so does the weight.

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