Motorola APX Series 2 Wire Surveillance Kit. Best on the market and always in stock. Platinum Series 2-Wire Surveillance Kit with full size PTT Our PROFESSIONAL GRADE two wire surveillance kit is the top seller within the series. In use…
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Technology and Components. The Technology There are many two-way radio technology available today. The table shows each of technology in terms of whether it is analog or digital, and whether it is conventional or trunked. Note that the analog conventional…
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FDMA Based on access method: Frequency Division Multiple Access (FDMA) FDMA or Frequency Division Multiple Access is an access method that is used by radio systems to share the radio spectrum. The terminology “multiple access” implies the sharing of the…
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Digital System Digital radio has additional processing inside the radio to convert the original analog voice into digital format (“ones and zeros”) before transmitting the signal in digital form over-the-air. The receiving radio receives the digital signal and converts it…
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Analog System Analog System. Radios transmit analog signal over-the-air. Our original voice, which is in analog format, is modulated and amplified inside the radio before transmitted. There is no additional computer processing (i.e. digitization) inside analog radio. Analog radio system…
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Trunked System The concept of “trunking” is taken from telephone company technology and practice. It refers to the sharing of common “resources” among a number of different users on the same system without overhearing or interfering with each other’s conversations. …
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Conventional Radio System Conventional system is the most basic radio communications system. Conventional, as its name implies, refers to a “traditional” method of frequency utilization. Conventional radios operate on fixed channels and each user group is permanently assigned a fixed…
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Who Uses Two-Way Radio? Who uses two-way radio? Two-way radio has been used for many years by various organizations and industries. Due to the nature of their operation, they have to utilize two-way radio to address their communication needs. Examples…
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Why Not Other Wireless System? Every wireless technology has their advantages and disadvantages. The choice of which technology is the most suitable for one’s organization depends on whether that particular technology can meet the user requirement. For those users who…
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Why Two-Way Radio? With various wireless technology options and two-way radio being one of the “earliest” wireless technologies, one may question whether two-way radio is still a viable technology today. The answer is yes and the following are the 2…
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