Netw360 Week 1

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Submitted By sargizsakoo
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NETW360 Week 2 iLab: RF Behavior Calculations
Date: 09/13/15
Student’s Name: Sargiz Sakoomoshabad
Professor’s Name: Daniel Richardson

Task 1: Power calculations
Use the calculator in the Power section to complete the following steps: 1. On the lower UNII-1 band (i.e., 5.150–5.250 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 50 mW. The IR is also referred to as a wireless transmitter.

Click in the watts box and type 0.05 (50 mW = 0.05 watts). What is the dBm of 50 mW?

16.99 dBm

2. On the middle UNII-1 band (i.e., 5.250–5.350 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 250 mW.

Click in the watts box and type 0.25 (250 mW = 0.25 watts). What is the dBm of 250 mW? 23.979 dBm

3. On the upper UNII-1 band (i.e., 5.725–5.825 GHz with 100 MHz channels), the maximum output power of the intentional radiator (IR) allowed by the FCC is 800 mW.

Click in the watts box and type the given power level in watts. What is the dBm of 800 mW?

29.031 dBm
Scroll down to the Receive Sensitivity section. Review the information regarding receive sensitivity. 4. The receive sensitivity of a LinksysWUSB600N wireless network adaptor at 54 Mbps is -70 dBm. Click in the dBm box and type -70. What are the watts of -70 dBm?

9.99 Watts

5. The receive sensitivity of a LinksysWUSB300N wireless network adaptor at 54 Mbps is -68 dBm. Click in the dBm box and type -68. What are the watts of -68 dBm?

1.58 Watts

6. If you have to choose between these adaptors based on their receive sensitivity at the bit rate of 54 Mbps, which adaptor will potentially perform better in achieving the desired bit rate?

LinksysWUSB300N because
-1 dBm is significantly better than -100 dBm

•Excellent (green): -57 to -45 dBms…...

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