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http://dbpedia.org/ontology/abstract 小電力無線電話(しょうでんりょくむせんでんわ)とは、空中線電力10mW以下というを使った免許不要な無線電話である。 日本では特定小電力無線電話として規格化されている。日本国外では、短距離デバイス (SRD = short range device)、低電力デバイス (LPD = low power device) などと呼ばれる。 や800MHz帯の周波数帯を使う無線機が多い。 , Short Range Devices (SRD acrònim anglès quShort Range Devices (SRD acrònim anglès que vol dir dispositius de curt abast) descriu els dispositius transmissors d'energia de radiofreqüència a través d'una antena, que tenen un nivell de potència radiada prou petit perquè l'abast detectable és molt reduït (fins a poques desenes de metres). D'aquesta manera poden produir poca interferència RF a d'altres equips. Els dispositius SRD tenen una potència radiada aparent limitada a 25-100 mW depenent de la banda de freqüència de treball. A Europa, la normativa elèctrica que aplica a aquests dispositius és la EN 301 489-3 Les aplicacions són de control via ràdio de dispositius diversos, lectura de comptadors, automatismes per a l'obertura de portes de garatge, sistemes d'alarma, i actualment en la internet de les coses. i actualment en la internet de les coses. , Ein Short Range Device (SRD) (deutsch etwaEin Short Range Device (SRD) (deutsch etwa „Gerät mit kurzer Reichweite“) ist ein spezielles Funkgerät zur Sprach- oder Datenübertragung für Jedermann-Funkanwendungen, das aufgrund seiner besonders geringen Ausgangsleistung nur eine geringe Reichweite besitzt. Es weist daher eine hohe elektromagnetische Verträglichkeit auf und wird andere HF-Geräte nicht stören. Die alte Bezeichnung in Deutschland war auch Low Power Device (LPD) (deutsch etwa „Gerät mit geringer Leistung“). Die benutzten Funkgeräte müssen dabei zweifelsfrei die einschlägigen nationalen gesetzlichen Bestimmungen einhalten, die ihrerseits wiederum teilweise Bezug auf internationale Standards nehmen. Die Einhaltung dieser Bestimmungen dokumentiert der Inverkehrbringer durch Anbringen der CE-Kennzeichnung. Auf Verlangen muss er in der Lage sein, eine Konformitätserklärung dafür vorzuweisen.e Konformitätserklärung dafür vorzuweisen. , A short-range device (SRD), described by EA 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), ultra-wideband (UWB) and IEEE 802.15.4. They are implemented by chips fabricated as RF CMOS integrated circuit (RF circuit). As of 2009, 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. 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.uidelines for avoiding radio interference. , Short Range Devices, vroeger Low Power DevShort Range Devices, vroeger Low Power Devices (afgekort LPD) genaamd, zijn radiozenders die vergunningvrij mogen worden gebruikt. Het zendvermogen van deze apparaten is, zoals de oude naam reeds aangeeft, erg klein. Het gebruik ervan in de EU is geregeld in een aantal CEPT en ETSI-aanbevelingen, waarvan ECC Rec. 70-03 de belangrijkste is. Veel van de aan SRD toegewezen frequenties liggen in de . De apparaten zijn bedoeld voor radiocommunicatie over korte afstanden, vandaar de naam Short Range Device, waarbij de afstand waarop de systemen moeten werken kan variëren van enkele centimeters tot enkele honderden meters. Toepassingen van SRDs zijn onder andere telemetrie, RFID, telecommunicatie over korte afstanden, bijvoorbeeld op het eigen erf of binnen het eigen bedrijf, en radiografische afstandbediening voor domotica.ografische afstandbediening voor domotica.
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rdfs:comment Ein Short Range Device (SRD) (deutsch etwaEin Short Range Device (SRD) (deutsch etwa „Gerät mit kurzer Reichweite“) ist ein spezielles Funkgerät zur Sprach- oder Datenübertragung für Jedermann-Funkanwendungen, das aufgrund seiner besonders geringen Ausgangsleistung nur eine geringe Reichweite besitzt. Es weist daher eine hohe elektromagnetische Verträglichkeit auf und wird andere HF-Geräte nicht stören.uf und wird andere HF-Geräte nicht stören. , 小電力無線電話(しょうでんりょくむせんでんわ)とは、空中線電力10mW以下というを使った免許不要な無線電話である。 日本では特定小電力無線電話として規格化されている。日本国外では、短距離デバイス (SRD = short range device)、低電力デバイス (LPD = low power device) などと呼ばれる。 や800MHz帯の周波数帯を使う無線機が多い。 , A short-range device (SRD), described by EA 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.do not require a license from their users. , Short Range Devices (SRD acrònim anglès quShort Range Devices (SRD acrònim anglès que vol dir dispositius de curt abast) descriu els dispositius transmissors d'energia de radiofreqüència a través d'una antena, que tenen un nivell de potència radiada prou petit perquè l'abast detectable és molt reduït (fins a poques desenes de metres). D'aquesta manera poden produir poca interferència RF a d'altres equips. Els dispositius SRD tenen una potència radiada aparent limitada a 25-100 mW depenent de la banda de freqüència de treball. A Europa, la normativa elèctrica que aplica a aquests dispositius és la EN 301 489-3a a aquests dispositius és la EN 301 489-3 , Short Range Devices, vroeger Low Power DevShort Range Devices, vroeger Low Power Devices (afgekort LPD) genaamd, zijn radiozenders die vergunningvrij mogen worden gebruikt. Het zendvermogen van deze apparaten is, zoals de oude naam reeds aangeeft, erg klein. Het gebruik ervan in de EU is geregeld in een aantal CEPT en ETSI-aanbevelingen, waarvan ECC Rec. 70-03 de belangrijkste is. Veel van de aan SRD toegewezen frequenties liggen in de . De apparaten zijn bedoeld voor radiocommunicatie over korte afstanden, vandaar de naam Short Range Device, waarbij de afstand waarop de systemen moeten werken kan variëren van enkele centimeters tot enkele honderden meters.e centimeters tot enkele honderden meters.
rdfs:label Short Range Device , Short Range Devices , 小電力無線電話 , Short-range device
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