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Radio systems are conveniently useful for commercial and personal requirements. These cost-effective products produce an excellent communication solution. Conventional radios work on single radio frequency. But the continuing development of technology, portable radios having many channels can be obtained which has a channel selector within the cpanel. To avoid interloping of signals, frequency regulator board will allocate a channel with particular frequency for any specific organization. A different type of portable radio product is the trunked ra
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