If this is your laptop, based on the specs, you will never see anything beyond the theoretical maximum of 150 Mbps.
http://support.lenovo.com/us/en/prod...e=ProductParts
The specs show you this laptop has an Intel N wireless NIC (model number not stated). The key spec listed is the 1x1. This means your wireless NIC is only capable of 1 spatial stream in and out. With N and AC cards, there are two specs one looks at to get an idea of performance. The first is the number of radios. This is akin to when people talk about dual band where your NIC has a radio for 2.4 and a radio for 5 GHz. The other spec one looks for is the number of spatial streams. The first N wireless NICs which came out to market had the ability to do only 1 spatial stream in and out. The higher performance wireless NICs will have 2x2 or two output and two input streams to allow for a total of 300 Mbps of throughput in and out. The latest high performance wireless N APs have the ability to do 3x3 which means 450 Mbps of throughput in and out. While there are a number of APs which support 3x3, not many wireless NICs out there do 3x3. Most of them are 2x2 or 1x1. There are also variations of the the number of output and input spatial streams where 3x2 is also another configuration. One of my APs from Dell/Aruba Networks (an AP125) is a 3x2. The other APs I have are AP105s (2x2), AP135 (3x3), AP115 (2x2), and AP225 (3x3 for both N and AC). As you can see the ultimate theoretical maximum speed you can achieve on a wireless network is dependent on both the wireless NIC and the wireless AP. The ultimate maximum theoretical speed you'll achieve will be the lower performing of the two components. With that said in practice, you will never achieve the theoretical maximums due to wireless overhead, distance, and ambient RF noise.
http://support.lenovo.com/us/en/prod...e=ProductParts
The specs show you this laptop has an Intel N wireless NIC (model number not stated). The key spec listed is the 1x1. This means your wireless NIC is only capable of 1 spatial stream in and out. With N and AC cards, there are two specs one looks at to get an idea of performance. The first is the number of radios. This is akin to when people talk about dual band where your NIC has a radio for 2.4 and a radio for 5 GHz. The other spec one looks for is the number of spatial streams. The first N wireless NICs which came out to market had the ability to do only 1 spatial stream in and out. The higher performance wireless NICs will have 2x2 or two output and two input streams to allow for a total of 300 Mbps of throughput in and out. The latest high performance wireless N APs have the ability to do 3x3 which means 450 Mbps of throughput in and out. While there are a number of APs which support 3x3, not many wireless NICs out there do 3x3. Most of them are 2x2 or 1x1. There are also variations of the the number of output and input spatial streams where 3x2 is also another configuration. One of my APs from Dell/Aruba Networks (an AP125) is a 3x2. The other APs I have are AP105s (2x2), AP135 (3x3), AP115 (2x2), and AP225 (3x3 for both N and AC). As you can see the ultimate theoretical maximum speed you can achieve on a wireless network is dependent on both the wireless NIC and the wireless AP. The ultimate maximum theoretical speed you'll achieve will be the lower performing of the two components. With that said in practice, you will never achieve the theoretical maximums due to wireless overhead, distance, and ambient RF noise.