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The 33-centimeter or 900 MHz band is a por … The 33-centimeter or 900 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio on a secondary basis. It ranges from 902 to 928 MHz and is unique to ITU Region 2. It is primarily used for very local communications as opposed to bands lower in frequency. However, very high antennas with high gain have shown 33 centimeters can provide good long-range communications almost equal to systems on lower frequencies such as the 70 centimeter band. The band is also used by industrial, scientific, and medical (ISM) equipment, as well as low-powered unlicensed devices. Amateur stations must accept harmful interference caused by ISM users but may receive protection from unlicensed devices. The 900 MHz frequency is also used as a reference band e.g. to express the total power or impact of the electric field "E" - expressed in V/m - or the power density "S" - expressed in W/m2 - of the overall cellular frequencies emission caused by all frequencies s.a. the four bands 850 / 900 / 1,800 / 1,900 MHz – which many GSM phones support and mobile phone operators use - used by all mobile phone operators at the same time to a certain space where e.g. humans are exposed to these frequencies over a certain span of time. More: Mobile phone radiation and health section. In ITU Region 3, New Zealand domestically allocates 915 MHz to 928 MHz to amateurs. In Australia, this spectrum is allocated to radiolocation and scientific-medical services.olocation and scientific-medical services.
, Pasmo 33 centymetrów − pasmo radiowe przyz … Pasmo 33 centymetrów − pasmo radiowe przyznane do łączności amatorskich. Mieści się w zakresie od 902 do 928 MHz i jest używane tylko w 2 regionie ITU (Ameryka Północna i Południowa). Pasmo 33 centymetrów zawiera się w zakresie fal decymetrowych i wykorzystywane jest głównie w komunikacji lokalnej, w przeciwieństwie do pasm o niższych częstotliwościach. Wysoko umieszczone anteny o dużym zysku energetycznym wykazały jednak, że pasmo 33 centymetrów może zapewnić duży zasięg, porównywalny do pasm niższych częstotliwości np. 70 cm.do pasm niższych częstotliwości np. 70 cm.
, La bande 900 MHz désignée aussi par sa lon … La bande 900 MHz désignée aussi par sa longueur d'onde : 33 centimètres, est une bande du service radioamateur destinée à établir des radiocommunications de loisir. Cette bande est utilisable en permanence dans certains pays pour le trafic radio amateur local et pour le trafic radio relayé.teur local et pour le trafic radio relayé.
, Als 33-Zentimeter-Band bezeichnet man den … Als 33-Zentimeter-Band bezeichnet man den Frequenzbereich von 902 bis 928 MHz. Er liegt innerhalb des Dezimeterwellen-Bereichs (UHF). Der Name leitet sich von der ungefähren Wellenlänge dieses Frequenzbereiches ab. In einigen Ländern ist in diesem Frequenzbereich Amateurfunk erlaubt, allerdings nicht in Europa, denn hier ist dieser Frequenzbereich diversen mobilen Funkdiensten zugewiesen. diversen mobilen Funkdiensten zugewiesen.
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, https://www.retevis.com/rt10-two-way-radio-for-business-128-channel-900-mhz +
, http://www.dave-page.com/projects.html +
, http://www.downeastmicrowave.com +
, https://web.archive.org/web/20100819093741/http:/www.kenwoodusa.com/Communications/Land_Mobile_Radio/Business_n_Industry/TK-980-981 +
, https://web.archive.org/web/20100926213131/http:/www.kenwoodusa.com/Communications/Land_Mobile_Radio/Business_n_Industry/TK-480-481 +
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Als 33-Zentimeter-Band bezeichnet man den … Als 33-Zentimeter-Band bezeichnet man den Frequenzbereich von 902 bis 928 MHz. Er liegt innerhalb des Dezimeterwellen-Bereichs (UHF). Der Name leitet sich von der ungefähren Wellenlänge dieses Frequenzbereiches ab. In einigen Ländern ist in diesem Frequenzbereich Amateurfunk erlaubt, allerdings nicht in Europa, denn hier ist dieser Frequenzbereich diversen mobilen Funkdiensten zugewiesen. diversen mobilen Funkdiensten zugewiesen.
, La bande 900 MHz désignée aussi par sa lon … La bande 900 MHz désignée aussi par sa longueur d'onde : 33 centimètres, est une bande du service radioamateur destinée à établir des radiocommunications de loisir. Cette bande est utilisable en permanence dans certains pays pour le trafic radio amateur local et pour le trafic radio relayé.teur local et pour le trafic radio relayé.
, The 33-centimeter or 900 MHz band is a por … The 33-centimeter or 900 MHz band is a portion of the UHF radio spectrum internationally allocated to amateur radio on a secondary basis. It ranges from 902 to 928 MHz and is unique to ITU Region 2. It is primarily used for very local communications as opposed to bands lower in frequency. However, very high antennas with high gain have shown 33 centimeters can provide good long-range communications almost equal to systems on lower frequencies such as the 70 centimeter band. The band is also used by industrial, scientific, and medical (ISM) equipment, as well as low-powered unlicensed devices. Amateur stations must accept harmful interference caused by ISM users but may receive protection from unlicensed devices.eceive protection from unlicensed devices.
, Pasmo 33 centymetrów − pasmo radiowe przyz … Pasmo 33 centymetrów − pasmo radiowe przyznane do łączności amatorskich. Mieści się w zakresie od 902 do 928 MHz i jest używane tylko w 2 regionie ITU (Ameryka Północna i Południowa). Pasmo 33 centymetrów zawiera się w zakresie fal decymetrowych i wykorzystywane jest głównie w komunikacji lokalnej, w przeciwieństwie do pasm o niższych częstotliwościach. Wysoko umieszczone anteny o dużym zysku energetycznym wykazały jednak, że pasmo 33 centymetrów może zapewnić duży zasięg, porównywalny do pasm niższych częstotliwości np. 70 cm.do pasm niższych częstotliwości np. 70 cm.
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33-Zentimeter-Band
, Pasmo 33 cm
, Bande des 33 cm
, 33-centimeter band
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