Off This could be due to interference from other routers in the premises or any other wireless device which works in the same frequency or bandwidth.Try to avoid placing devices like cordless phones, microwave ovens and other routers near your router.Switch off Bluetooth on your phone.Try to place the router at a good height; the router must have a line-of-sight (LOS) to all other devices in the premises as far as possible.Try to place the router in a different room closer to the usage areaTry not to place the router in a corner of your home.Move any large metal objects that may be present in the vicinity of the router.Try changing the direction the router is facing (by 90 degrees) in iterations to check the performance in each direction.Try changing the direction in which the antenna is facing by pointing one antenna upwards and the other in another direction preferably away from a wall.Use the QOS functionality in the router to prioritize your devices for using variable bandwidth.Try changing the Wi-Fi security type, the common security type is WPA2-PSK, check the speed with WPA-PSK and mixed mode to check of the speed improves.Under 802.11 b/g/n settings, change from \"802.11 b/g/n mixed\"" to \""802.11 n only\"".In case you have checked each of the above options and you still think your speed is below the plan speed