Short Range Devices (SRD) licence free frequency bands.
All Elsema transmitters, receivers and transceivers are operating in the Short Range Devices (SRD) licence free frequency bands. This means no licence is required to operate our equipment.
However, it is important to note that different countries have different SRD licence free bands. Check the table below to see if the equipment series is allowed to be sold in your country and the standard that it conforms to.
| 27MHz GL | 151MHz FM | 433MHz PCK Series | 433MHz GL Hand Held Remote |
433MHz 10mW 25mW |
915MHz MCT | |
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| Australia AS/NZS 4268:2017 |
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| New Zealand AS/NZS 4268:2017 |
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| United States of America FCC |
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| Canada RSS-210 |
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| United Kingdom Radio EN 300 220 EMC EN 301 489-3 Safety EN 60950-1 Health EN 50371 |
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| Netherlands Radio EN 300 220 EMC EN 301 489-3 Safety EN 60950-1 Health EN 50371 |
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| Germany Radio EN 300 220 EMC EN 301 489-3 Safety EN 60950-1 Health EN 50371 |
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| Singapore IDA TS SRD:2008 |
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(A) MCT series must be modified to operate between 921 to 929 MHz.
(B) FMT151 and FMR151 series must be modified to operate on 154.6MHz only.
(C) – For Part 15.247, frequency hopping at 25 frequencies.
– For Part 15.249, transmitter and receiver to be fixed point to point communications. EIRP to be reduced to 50mV/m at 3metres, -1.23dBm
(D) Radiated Power must be less than 1mW for 433.050 to 434.790 MHz (100% duty cycle)
(E) High power 1 watt transmitters not allowed. Power must be < 10mW.
(F) The 10mW transmitters continuously emits a carrier when power is connected. The user must design the final product to meet the requirements of the duty cycle as provided in the relevant regulations.
(G) Frequency hopping at 25 frequencies and the average time of occupancy on any frequency shall not be greater than 0.4 seconds within a 10 second period.
(H) Part 15.227 for power below 30uW (10,000 uV/m at 3 metres) and Part 95 Subpart C for up to 4 Watt.
(I) FMT151 and FMR151 series must be modified to operate on 160MHz only.
Elsema exports to many other countries. If your country is not listed, you can phone or email elsema for more information.
