A modem is used to provide a internet connection from the ISP local telephone exchange to your computer. This type of hardware contains electrical components inside. Since you are most likely to surf the web and leave it switched on 24/7 excessive heat does get built up inside overtime. This could possibly lead to overheating issues in the long term usage and slow down your broadband connection. This could lead to slow download and upload speeds. The most convenient way to overcome this would be to place it in a location that is well ventilated. So that the modem has space to get rid of the hot air trapped inside freely without any obstructions blocking its pathway. If you want to keep operating temperatures down as low as possible you can also perform a very simply cooling modification. This modification is certainly ideal for parts of the world that have a warm climate weather.
1) You will need a computer fan. The bigger the better because it can move more airflow. I suggest for most scenarios that a 120mm is the most suited. I suggest you invest in a good quality one because cheap ones tend to be very loud and noisy.
2) You will need a power source to turn on the cooling fan and provide constant power to it. I would suggest a DC adapter that can provide 12 volts.
3) Strip down the wires from the adapter. You will see two small cables that are red and black colors. Slip heat shrink tubing onto both ends and connect these accordingly to the colors of the wires from the computer fan. You could also use insulation tape if you prefer instead.
4) This only applies to heat shrink users. Obtain a heatsource such as a hair dryer to tighten the heat shrink tubing to provide a secure and reliable connection.
5) Position the fan on top of the internet router. So that cool air can be blown directly onto the surface. To switch on the cooling fan simply plug in the adapter into the mains wall socket and switch it on.
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