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Short-range devices are low-power transmitters typically limited to 25–100 mW effective radiated power (ERP) or less, depending on the frequency band, which limits their useful range to few hundred meters, and do not require a license from their users.
Applications for short-range wireless devices include power meters and other remote instrumentation, RFID applications, radio-controlled models, fire, security and social alarms, vehicle radars, wireless microphones and earphones, traffic signs and signals (including control signals), remote garage door openers and car keys, barcode readers, motion detection, and many others.
The European Commission mandates through CEPT and ETSI the allocation of several device bands for these purposes, restricts the parameters of their use, and provides guidelines for avoiding radio interference.[3][4][5]
In Europe, 863 to 870 MHz band has been allocated for license-free operation using FHSS, DSSS, or analog modulation with either a transmission duty cycle of 0.1%, 1% or 10% depending on the band, or Listen Before Talk (LBT) with Adaptive Frequency Agility (AFA).[3][4] Although this band falls under the Short Range Device umbrella, it is being used in Low-Power Wide-Area Network (LPWAN) wireless telecommunication networks, designed to allow long-range communications at a low bit rate among things (connected objects).
Frequency
Duty cycle
Channel spacing
ERP
863.0 – 865.0 MHz
100% (wireless audio)
10 mW
863.0 – 865.6 MHz
0.1% or LBT+AFA
25 mW
863.0 – 868.0 MHz *
25 mW wideband up to 1 MHz (data only)
865.0 – 868.0 MHz
1% or LBT+AFA
25 mW
865.0 – 868.0 MHz *
0.1% or LBT+AFA
4 frequencies
2 W (RFID only)
865.0 – 868.0 MHz *
10% (access points), 2.5% (other devices)
4 frequencies
500 mW (data only, power control required)
868.0 – 868.6 MHz
1% or LBT+AFA
25 mW
868.6 – 868.7 MHz
1% (alarms)
25 kHz
10 mW
868.7 – 869.2 MHz
0.1% or LBT+AFA
25 mW
869.2 – 869.25 MHz
0.1% (social alarms)
25 kHz
10 mW
869.25 – 869.3 MHz
0.1% (alarms)
25 kHz
10 mW
869.3 – 869.4 MHz
1% (alarms)
25 kHz
10 mW
869.4 – 869.65 MHz
10% or LBT+AFA
25 kHz
500 mW
869.65 – 869.7 MHz
10% (alarms)
25 kHz
25 mW
869.7 – 870.0 MHz
100% (voice communication)
5 mW
1% or LBT+AFA
25 mW
(* = as of 1 January 2018)
As of December 2011[update], unrestricted voice communications are allowed in the 869.7-870.0 MHz band with channel spacing of 25 kHz or less and maximum power output of 5 mW ERP.[6][7][8]
SRD860 handheld transceivers were briefly available in mid 2000s, however they did not offer dual-band compatibility with PMR446 and LPD433 bands. As of 2012[update], they have been put off-market.
From January 2018, the four RFID frequencies are also available for data networks, with a power up to 500 mW and a bandwidth of 200 kHz. The center frequencies are: 865.7, 866.3, 866.9 and 867.5 MHz. Specific restrictions on usage apply, such as a low duty cycle, LBT (listen before transmit) and APC (adaptive power control).[9]
^ abHappich, Julien (24 February 2010). "Global shipments of short range wireless ICs to exceed 2 billion units in 2010". EE Times. Retrieved 25 October 2019.
^Veendrick, Harry J. M. (2017). Nanometer CMOS ICs: From Basics to ASICs. Springer. p. 243. ISBN9783319475974.
^2011/829/EU: Commission Implementing Decision of 8 December 2011 amending Decision 2006/771/EC on harmonisation of the radio spectrum for use by short-range devices
^Explanatory document on Commission Decision 2011/829/EU 14 April 2012 at the Wayback Machine
^OFCOM IR 2030 - Licence Exempt Short Range Devices 13 July 2012 at the Wayback Machine
^"Commission Implementing Decision (EU) 2017/1483 of 8 August 2017 amending Decision 2006/771/EC on harmonisation of the radio spectrum for use by short-range devices and repealing Decision 2006/804/EC". Eur-Lex.Europa.eu.
External links
"European Communications Office (ECO)".
"ERC Recommendation 70-03)". Retrieved 7 January 2023.
"Short Range Devices". ETSI.org. Retrieved 24 November 2017.
"SRD/MG - Short Range Devices". CEPT.org. Retrieved 24 November 2017.
February 26, 2023
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This article may be expanded with text translated from the corresponding article in German March 2012 Click show for important translation instructions View a machine translated version of the German article Machine translation like DeepL or Google Translate is a useful starting point for translations but translators must revise errors as necessary and confirm that the translation is accurate rather than simply copy pasting machine translated text into the English Wikipedia Consider adding a topic to this template there are already 9 722 articles in the main category and specifying topic will aid in categorization Do not translate text that appears unreliable or low quality If possible verify the text with references provided in the foreign language article You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at de Short Range Devices see its history for attribution You should also add the template Translated de Short Range Devices to the talk page For more guidance see Wikipedia Translation A short range device SRD described by ECC Recommendation 70 03 is a radio frequency transmitter device used in telecommunication for the transmission of information which has low capability of causing harmful interference to other radio equipment Short range devices are low power transmitters typically limited to 25 100 mW effective radiated power ERP or less depending on the frequency band which limits their useful range to few hundred meters and do not require a license from their users Short range wireless technologies include Bluetooth Wi Fi near field communication NFC LPWAN ultra wideband UWB and IEEE 802 15 4 They are implemented by chips fabricated as RF CMOS integrated circuit RF circuit 1 2 As of 2009 update short range wireless chips ship approximately 1 7 billion units annually with Bluetooth accounting for over 55 of shipments and Wi Fi around 35 of shipments 1 Applications for short range wireless devices include power meters and other remote instrumentation RFID applications radio controlled models fire security and social alarms vehicle radars wireless microphones and earphones traffic signs and signals including control signals remote garage door openers and car keys barcode readers motion detection and many others The European Commission mandates through CEPT and ETSI the allocation of several device bands for these purposes restricts the parameters of their use and provides guidelines for avoiding radio interference 3 4 5 Contents 1 Frequency bands 1 1 SRD860 2 See also 3 References 4 External linksFrequency bands EditAccording to ECC Rec 70 03 there are several annexes which encapsulate specific usage patterns maximum emission power and duty cycle requirements Frequency allocation in Rec 70 03 Frequency Band NotesAnnex 1 Non specific short range devices6765 6795 kHz ISM13 553 13 567 MHz ISM RFID26 957 27 283 MHz ISM Citizens Band40 660 40 700 MHz ISM138 20 138 45 MHz433 050 434 790 MHz ISM LPD433 70 centimeter band also an Amateur Radio band863 870 MHz ISM SRD860915 928 MHz ISM SRD8602400 0 2483 5 MHz ISM 13 centimeter band Heavily used by Wi Fi also an Amateur Radio band Up to 2450 MHz 5725 5875 MHz ISM 5 centimeter band also an Amateur Radio band Up to 5850 MHz 24 00 24 25 GHz ISM 1 2 centimeter band also an Amateur Radio band61 0 61 5 GHz ISM122 123 GHz ISM 2 5 millimeter band also an Amateur Radio band244 246 GHz ISM 1 millimeter band also an Amateur Radio band3 1 4 8 THz6 9 THzAnnex 2 Tracking tracing and data acquisition456 9 457 1 kHz Detection of avalanche victims169 4 169 475 MHz Remote meter reading169 4 169 475 MHz Asset tracking and tracingAnnex 3 Wideband data transmission systems2400 0 2483 5 MHz ISM Wi Fi Bluetooth etc 57 66 GHz V WiGig WirelessHD etc Annex 4 Railway applications2446 2454 MHz Automatic vehicle identification systems for railways27 090 27 100 MHz Balise tele powering and down link train to ground systems984 7484 kHz Balise up link ground to train systems7 3 23 0 MHz Loop up link ground to train systemsAnnex 5 Road transport and traffic telematics RTTT 5795 5805 MHz 5805 5815 MHz C63 64 GHz V Vehicle to vehicle and road to vehicle systems76 77 GHz W Vehicle radar and infrastructure radar systems21 65 26 65 GHz K Automotive short range radars SRR marketed until July 2013 77 81 GHz W Automotive short range radars SRR 24 050 24 075 GHz 24 075 24 150 GHz 24 150 24 250 GHz ISM Vehicle radarsAnnex 6 Radiodetermination applications2400 0 2483 5 ISM9200 9500 MHz 9500 9975 MHz10 5 10 6 GHz13 4 14 0 GHz24 05 24 25 GHz ISM4 5 7 0 GHz Tank level probing radar TLPR 8 5 10 6 GHz Tank level probing radar TLPR 24 05 27 00 GHz Tank level probing radar TLPR 57 64 GHz Tank level probing radar TLPR 75 85 GHz Tank level probing radar TLPR 17 1 17 3 GHz Ground based synthetic aperture radarAnnex 7 Alarms868 6 868 7 MHz869 250 869 300 MHz869 650 869 700 MHz869 200 869 250 MHz869 300 869 400 MHz169 4750 169 4875 MHz Social alarms exclusive use 169 5875 169 6000 MHz Social alarms exclusive use Annex 8 Model control26 995 27 045 27 095 27 145 27 195 MHz34 995 35 225 MHz Only for flying models40 665 40 675 40 685 40 695 MHzAnnex 9 Inductive applicationsAnnex 10 Radio microphone applications including aids for the hearing impaired29 7 47 0 MHz except 30 3 30 5 MHz 32 15 32 45 MHz and 41 015 47 00 MHz harmonised military bands 173 965 174 015 Aids for the hearing impaired863 865 MHz Individual licence required470 786 MHz Individual licence required786 789 MHz Individual licence required823 826 MHz 826 832 MHz Individual licence required1785 1795 MHz 1795 1800 MHz Individual licence required169 4000 169 4750 MHz Aids for the hearing impaired Individual licence may be required169 4875 169 5875 MHz Aids for the hearing impaired Individual licence may be requiredAnnex 11 Radio frequency identification applications2446 2454 MHz 2446 2454 MHz865 0 865 6 MHz 865 6 867 6 MHz 867 6 868 0 MHzAnnex 12 Active medical implants and their associated peripheralsAnnex 13 Wireless audio applications863 865 MHz 864 8 865 0 SRD8601795 1800 MHz87 5 108 0 MHz FMSRD860 Edit In Europe 863 to 870 MHz band has been allocated for license free operation using FHSS DSSS or analog modulation with either a transmission duty cycle of 0 1 1 or 10 depending on the band or Listen Before Talk LBT with Adaptive Frequency Agility AFA 3 4 Although this band falls under the Short Range Device umbrella it is being used in Low Power Wide Area Network LPWAN wireless telecommunication networks designed to allow long range communications at a low bit rate among things connected objects Frequency Duty cycle Channel spacing ERP863 0 865 0 MHz 100 wireless audio 10 mW863 0 865 6 MHz 0 1 or LBT AFA 25 mW863 0 868 0 MHz 25 mW wideband up to 1 MHz data only 865 0 868 0 MHz 1 or LBT AFA 25 mW865 0 868 0 MHz 0 1 or LBT AFA 4 frequencies 2 W RFID only 865 0 868 0 MHz 10 access points 2 5 other devices 4 frequencies 500 mW data only power control required 868 0 868 6 MHz 1 or LBT AFA 25 mW868 6 868 7 MHz 1 alarms 25 kHz 10 mW868 7 869 2 MHz 0 1 or LBT AFA 25 mW869 2 869 25 MHz 0 1 social alarms 25 kHz 10 mW869 25 869 3 MHz 0 1 alarms 25 kHz 10 mW869 3 869 4 MHz 1 alarms 25 kHz 10 mW869 4 869 65 MHz 10 or LBT AFA 25 kHz 500 mW869 65 869 7 MHz 10 alarms 25 kHz 25 mW869 7 870 0 MHz 100 voice communication 5 mW1 or LBT AFA 25 mW as of 1 January 2018 As of December 2011 update unrestricted voice communications are allowed in the 869 7 870 0 MHz band with channel spacing of 25 kHz or less and maximum power output of 5 mW ERP 6 7 8 SRD860 handheld transceivers were briefly available in mid 2000s however they did not offer dual band compatibility with PMR446 and LPD433 bands As of 2012 update they have been put off market From January 2018 the four RFID frequencies are also available for data networks with a power up to 500 mW and a bandwidth of 200 kHz The center frequencies are 865 7 866 3 866 9 and 867 5 MHz Specific restrictions on usage apply such as a low duty cycle LBT listen before transmit and APC adaptive power control 9 See also EditDASH7References Edit a b Happich Julien 24 February 2010 Global shipments of short range wireless ICs to exceed 2 billion units in 2010 EE Times Retrieved 25 October 2019 Veendrick Harry J M 2017 Nanometer CMOS ICs From Basics to ASICs Springer p 243 ISBN 9783319475974 a b CEPT ERC REC 70 03 22 August 2011 a b ETSI EN 300 220 1 v2 3 1 2010 02 Table 5 IDA Singapore Technical specifications for short range devices 2011 829 EU Commission Implementing Decision of 8 December 2011 amending Decision 2006 771 EC on harmonisation of the radio spectrum for use by short range devices Explanatory document on Commission Decision 2011 829 EU Archived 14 April 2012 at the Wayback Machine OFCOM IR 2030 Licence Exempt Short Range Devices Archived 13 July 2012 at the Wayback Machine Commission Implementing Decision EU 2017 1483 of 8 August 2017 amending Decision 2006 771 EC on harmonisation of the radio spectrum for use by short range devices and repealing Decision 2006 804 EC Eur Lex Europa eu External links Edit European Communications Office ECO ERC Recommendation 70 03 Retrieved 7 January 2023 Short Range Devices ETSI org Retrieved 24 November 2017 SRD MG Short Range Devices CEPT org Retrieved 24 November 2017 Retrieved from https en wikipedia org w index php title Short range device amp oldid 1132295842, wikipedia, wiki, book, books, library,
