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Compare and Contrast CDMA and GSM

To compare and contrast CDMA and GSM, you need to know what each of them is capable of. Previously, the SIM card slot was the easiest way to determine what bands a phone used. GSM phones have a SIM card slot, while CDMA phones don’t. However, many smartphones now feature a SIM card, so you can no longer use this method. Today, the two types of wireless technology are mostly the same.

The differences between the two networks are often based on speed, data bandwidth, and coverage. GSM has a larger market share worldwide, while CDMA has a smaller reach. GSM is more suited for travel-oriented people than CDMA, and both have their benefits. GSM devices are more versatile than CDMA handsets, and they allow you to use both voice and data at the same time.

In short, GSM uses TDMA while CDMA is based on spread spectrum technology. TDMA uses a carrier to divide a given frequency into time slots. Each user gets a different time slot. Both use different methods of multiuser access to use their available bandwidth. The main difference is in the way the data is transmitted over the two systems. For example, CDMA can send data at a higher frequency than GSM, but still be compatible with GSM.

Another difference between GSM and CDMA is how each technology works. GSM uses TDMA while CDMA uses FDMA. TDMA breaks up the frequency band into multiple channels or time slots, allowing more people to transmit information at the same time. However, GSM has a higher antenna, which makes it ideal for international roaming. TDMA and CDMA phones can be compared and contrasted to see which one best suits your needs.

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