This is best dlink router. I have also this. I am buy from flipkart . this product has 5 year warrenty. 21mbps downloading speed .
all simcard works on this dongle . it also connect on pc, also plug on to swich. mac filter is also availale on this product .
this product is also memory card slot. at a time 3, 4 dives are connect to this dongle . this is secured product . it also on flipkart in above 1800. this is 3g, 2g dongle.