What is the difference in point-to-point and point-to-multipoint radios?
Point-to-Point (PTP) communication and Point-to-Multipoint (PTMP) communication may be lesser known terms to common users, but they hold great significance in the field of telecommunications. Two-way radio is a classic example of PTP communication. On the other hand, radio and television broadcasting are examples of PTMP communication. Both the communication systems have their distinct capabilities and a few limitations as well. The following section introduces you with the two and their applications.
Point-to-Point (PTP) Radios
As the name suggests, Point-to-Point Radios are configured in pairs and are used to communicate between two nodes or endpoints. Such configuration is capable of delivering Ethernet data rates up to 100 Mbps and is thus perfect for substation connectivity applications and high capacity backhaul. The PTP Radios can be designed to communicate over a range of 31 miles which makes them extremely valuable for achieving connectivity in rural environments. The strengths of PTP Radios include simplicity of installation, secure wireless connection, long range, and above all cost effectiveness in transmission of data.
Point-to-Multipoint (PTMP) Radios
There are a number of applications that require data to be transmitted simultaneously from one point to many other points. PTMP Radios are configured to meet this requirement. Such communication system requires setting up of a base station that can support multiple subscriber units (communication points). The data transmission rates can be up to 54Mbps or even high with specifically designed configurations.. The system comprises of an inbuilt spectrum analyzer, a GUI alignment mode display and an audible antenna alignment indicator. The whole system can be installed easily.
With technological advancement, Wireless Communication is set to scale new heights but Point-to-Point (PTP) communication and Point-to-Multipoint (PTMP) communication, the very basics of long range of data transmission will continue to hold importance.
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