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Anyway the only issue with these is the range which can be extended based on the antenna. One change I noticed is the EIRP is 25mW although in my days it was only 10mW. The range though with the right antenna can be as much as 1 km. I have tested this arrangement and still have the TX and RX here non modem version.
Spurious radiation is tested based on the appropriate standard. The AS compliance is related to the appropriate CE or EU standard and does not require re-testing. Not like telephones and general consumer equipment.
The LPRS equipment meets the standard very well, heavily shielded but the most problems that are experienced is other LIPD's around (garage door controllers) which use the same frequency and may reduce performance of the radio side. This at the moment is a rare occurance until the spectrum is flooded.
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