Setsebi sa hau sa DMR Radio Supplier
Nan'an Chitai Trading Co., Ltd. e thehiloe ka 2014 'me ke morekisi ea ka sehloohong oa thepa ea puisano ea profeshenale, ho akarelletsa le li-walkie{3}}talkies le lihlahisoa tsa elektroniki. Khampani ea rona e na le sehlopha se ikemetseng sa lipatlisiso le nts'etsopele sa litsebi tse fetang 100 'me se sebetsa-ka{7}}-ea motheo ea liphuputso tsa bonono tse nkang 500 square metres. Re motlotlo ka ts'ebetso ea rona e felletseng ea tlhahiso, ho tloha ho R&D ho isa ho phano, ho netefatsa boleng ba sehlahisoa mohatong o mong le o mong. E fumaneha Quanzhou, Fujian, haufi le Tsela ea Silk ea Maritime ea Chaena, re sebelisa bokhoni bo tsoetseng pele ba tlhahiso ho sebeletsa mebaraka ea lefats'e.
Hobaneng o re khetha
Litšebeletso tse ikhethileng
Re fana ka litharollo tse ikhethileng tse ipapisitseng le litšoantšo tsa bareki kapa lisampole, ho netefatsa hore lihlahisoa li fihlela litlhoko tse ikhethileng. Ho feto-fetoha ha maemo ha rona ho re lumella ho fihlela litlhoko tse ikhethang tsa 'maraka ha re ntse re boloka{1}maemo a boleng bo holimo.
Taolo ea Boleng
Ho tloha ho lihlahisoa tse tala ho ea ho lihlahisoa tse felileng, re khomarela mekhoa e tiileng ea ho laola boleng, ho netefatsa hore sehlahisoa se seng le se seng se kopana le litekanyetso tse phahameng tsa ts'ebetso le ho tšepahala.
Ka mor'a{{0}Tshehetso ea Thekiso
Sehlopha sa rona sa litsebi se teng ho rarolla{0}mathata afe kapa afe ka mor'a thekiso, se fana ka litšebeletso tse ntlehali tsa bareki le tšehetso ea botekgeniki ho netefatsa hore basebelisi ba ba le boiphihlelo bo sa feleng.
Dmr Radio Mobile
Dmr Radio Mobile ke seea-le-moea sa dijithale se ntlafalitsoeng ke European Telecommunications Standards Institute (ETSI). E amoheloa lefatšeng ka bophara mme e etselitsoe ho fihlela litlhoko tsa puisano tsa basebelisi ba litsebi liindastering tse kang polokeho ea sechaba, lipalangoang, lits'ebeletso, tlhahiso le tse ling. DMR e sebelisa lets'oao la dijithale ho fetisa lentsoe le data, e fana ka ho hlaka ho eketsehileng, ho fana ka tšireletso e ntlafalitsoeng, le bokhoni bo eketsehileng ha bo bapisoa le litsamaiso tsa analog.
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Mofuta |
Mochini o felletseng |
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Khaohano ea puisano |
10km-50km(50km)(km) |
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Brand |
YATEGOLE |
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Mofuta oa Leshala |
Ha ho libetri tse hlophisitsoeng |
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RF outputPower |
10W |
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Bokhoni ba betri |
4800MAH |
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Mosebetsi |
Ha e kenele metsi |
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Boholo |
150*50*35MM |
Melemo ea Dmr Radio Mobile
Boleng bo ntlafetseng ba Lentsoe
DMR e sebelisa li-codec tsa audio tsa maemo a holimo, tse etsang hore ho be le likhokahano tse hlakileng tsa lentsoe{0}le libakeng tse thata tse nang le lerata kapa tšitiso. Theknoloji e fana ka boleng bo phahameng ba lentsoe, ho netefatsa puisano e hlakileng le e ka tšeptjoang bakeng sa basebelisi.
Tšireletso e ntlafetseng le sebaka sa marang-rang
Sistimi ea DMR e sebelisa mekhoa e metle ea ho lokisa liphoso le merero ea ho feto-fetoha ha molumo, e nolofalletsang tšireletso e betere le ho eketseha ha marang-rang ha ho bapisoa le li-radios tsa analog. Ts'ebetso ena e atolositsoeng e thusa ho netefatsa ts'epahalo ea puisano libakeng tse kholo, ho kenyeletsoa libaka tsa mahaeng le tse hole.
Keketseho ea Bokhoni
DMR e sebelisa litheknoloji tsa "time division multiple access" (TDMA), e lumellang liteishene tse peli tsa lentsoe ho nka leqhubu le le leng. Sena se eketsa matla a sistimi ea DMR habeli, se nolofalletsa basebelisi ba bangata ho buisana ka nako e le 'ngoe ntle le ho ba le tšubuhlellano kapa tšitiso.
Spectral e Ntlafetseng
Tšebeliso e nepahetseng ea bandwidth ea DMR e lumella likanale tse ngata ka har'a spectrum e fumanehang, ho eketsa tšebeliso ea lisebelisoa tse fokolang tsa maqhubu a seea-le-moea. Sena se etsa hore DMR e be khetho e nepahetseng bakeng sa mekhatlo e batlang ho ntlafatsa mekhoa ea bona ea puisano.
Mehala ea lekunutu:DMR e nolofalletsa puisano ea lekunutu-ho{1}}puisano e le 'ngoe lipakeng tsa basebelisi, e netefatsa puisano ea lekunutu ha ho hlokahala. Karolo ena e bohlokoa haholo indastering moo litaba tsa bohlokoa li lokelang ho fetisoa ka mokhoa o sireletsehileng.
Mehala ea Sehlopha:DMR e ts'ehetsa likhokahano tsa sehlopha, e lumella basebelisi ho buisana le sehlopha se boletsoeng esale pele sa batho. Mosebetsi ona o na le thuso bakeng sa lihlopha tse sebetsanang le merero e kopanetsoeng kapa nakong ea maemo a tšohanyetso ha boiteko bo kopanetsoeng bo le bohlokoa.
Melaetsa ea Mongolo:DMR e kenyelletsa bokhoni ba melaetsa ea mongolo, e nolofalletsang basebelisi ho romela le ho amohela melaetsa e khutšoanyane. Ho romellana melaetsa ka mongolo ho fana ka mokhoa o bonolo le o masene oa puisano, haholo-holo maemong ao puisano ea lentsoe e kanna ea se tšoanelehe.
Lisebelisoa tsa GPS le Data:Liea-le-moea tse ngata tsa DMR li na le tšebetso e hahiloeng-ka GPS, tse lumellang basebelisi ho lekola le ho beha leihlo sebaka sa batho kapa thepa ka nako. Ho feta moo, DMR e ts'ehetsa lits'ebetso tsa data, e tsamaisang phapanyetsano ea in.
Lisebelisoa tsa Dmr Radio Mobile
Tšireletseho ea Sechaba:Maemong a mahlonoko, puisano e hlakileng le e tšepahalang e bohlokoa bakeng sa karabelo e sebetsang ea tšohanyetso. DMR e fana ka mekhatlo ea ts'ireletso ea sechaba, ho kenyeletsoa ts'ebetsong ea molao, lits'ebeletso tsa mollo, le lits'ebeletso tsa bongaka tsa tšohanyetso, ka boleng bo ntlafalitsoeng ba molumo, bokhoni bo eketsehileng, le mecha ea puisano e sireletsehileng. Likarolo tse kang ho latela GPS le litlhokomeliso tsa maemo a tšohanyetso li thusa{2}}tšebelisano ea nako ea 'nete le ho thusa ba arabelang pele.
Lipalangoang le Thepa:Motsamao o hlwahlwa wa thepa le batho o itshetlehile haholo hodima dipuisano tse se nang meriti. DMR e thusa puisano e sebetsang lipakeng tsa baromi, bakhanni le basebetsi ba masimong, ho ntlafatsa ts'ebetso ea lipalangoang le thepa. Ho tloha taolong ea likepe le khokahanyo ea ho romela ho ea ho{2}}ho latela nako ea sebele le likhokahano libakeng tse rarahaneng joalo ka boema-kepe le boemafofane, DMR e ntlafatsa ts'ebetso le ho ntlafatsa tlhahiso.
Kaho le Tlhahiso:Libakeng tsa kaho le litsing tsa tlhahiso, puisano e sebetsang e bohlokoa bakeng sa polokeho le katleho ea ts'ebetso. Liea-le-moea tsa DMR li fana ka likhokahano tse tšepahalang libakeng tse-tse nang le lerata le phahameng, tse nolofalletsang basebetsi ho hokahanya mesebetsi, ho tlaleha likotsi tsa polokeho, le ho arabela ka potlako maemong a fetohang. Likarolo tse joalo ka tlhokomeliso ea mosebetsi a le mong le lialamo{3} tsa batho ba theohileng li matlafatsa polokeho ea basebetsi maemong a ka bang kotsi.
Kamohelo le Boithabiso:Ho fana ka liphihlelo tse ikhethang tsa bareki makaleng a kamohelo ea baeti le boithabiso ho ipapisitse le puisano e se nang mathata lipakeng tsa basebetsi. DMR e thusa ho tsamaisana hantle, ho nolofalletsa basebetsi ho laola thepa, ho arabela likopo tsa baeti, le ho netefatsa hore ts'ebetso e sebetsa hantle. Lisebelisoa tse masene le liea-le-moea tse bobebe li lumella puisano e sa tsitsang, e fokotsang litšitiso ho moeti.
Thuto:Litsi tsa thuto li ntse li tsoela pele ho sebelisa DMR ho ntlafatsa polokeho ea khamphase le puisano. Ho tloha ho ho hokahanya basebetsi ba tshireletso le ho laola maemo a tshohanyetso ho isa ho ho tsamaisa dikgokahano pakeng tsa lefapha la thuto le basebetsi, DMR e thusa tikolohong ya ho ithuta e bolokehileng{1}le e hokahantsweng hantle.
Molao-motheo o sebetsang oa Dmr Radio Mobile
Khouto ya Letshwao
Ho kenya lentsoe ho kentsoe lets'oao la dijithale.
Phetiso
Letšoao lena la dijithale le romelloa ka bongata, ho sebelisoa tšebeliso e nepahetseng ea bandwidth ea DMR.
Kamohelo
Letšoao le amoheloa ke sesebediswa se seng sa DMR ebe se buseletswa ka lentswe.
Mefuta ea seea-le-moea:Liea-le-moea tsa DMR li tla ka mefuta e fapaneng ea lintlha, ho kenyeletsoa li-portables, li-mobile units tsa likoloi, le li-repeacher ho atolosa marang-rang. Lekola litlhoko tsa hau tsa ts'ebetso 'me u khethe mefuta ea seea-le-moea e loketseng basebetsi le tikoloho ea hau hantle. Nahana ka lintlha tse kang ho nkeha habonolo, ho tšoarella nako e telele, le bophelo ba betri.
Maqhubu a Maqhubu:Sistimi ea DMR e sebetsa ho lihlopha tse fapaneng tsa maqhubu, ho kenyeletsoa VHF le UHF. Khetho ea frequency band e ipapisitse le lintlha tse kang litlhoko tsa khaso, sebaka, le tšitiso e ka bang teng. Ikopanye le setsebi sa likhokahano tsa seea-le-moea ho fumana hore na ke mofuta ofe o nepahetseng oa frequency bakeng sa litlhoko tsa hau tse ikhethileng.
Likaroloana:DMR e fana ka likarolo tse ngata tse fapaneng, ho tloha puisanong ea lentsoe ea mantlha ho isa lits'ebetsong tse tsoetseng pele joalo ka melaetsa ea selefouno, ho latedisa GPS, le ditemoso tsa mosebeletsi a le mong. Lekola litlhoko tsa hau tsa ts'ebetso 'me u behe likarolo tsa bohlokoa tse tla ntlafatsa -
Bokhoni le Scalability:Nahana ka palo ea basebelisi le kholo e lebelletsoeng ha u khetha selefouno ea Dmr Radio Mobile. Netefatsa hore sistimi e na le bokhoni bo lekaneng ba ho amohela litlhoko tsa hau tsa puisano tsa hajoale le tsa nako e tlang. Sistimi ea Scalable e u lumella ho holisa marang-rang a hau ha mokhatlo oa hau o ntse o hola.
Tekanyetso:Sistimi ea seea-le-moea ea dijithale e fapana ka litšenyehelo ho latela likarolo, bokhoni le lisebelisoa tse khethiloeng. Theha moralo oa lichelete 'me u hlahlobe likhetho tse tsamaellanang le mathata a hau a lichelete. Hopola ho kenyelletsa{2}litšenyehelo tsa nako e telele joalo ka tlhokomelo le lintlafatso tse ka bang teng.
Khetho ea barekisi:Khetha morekisi ea tsebahalang ea nang le tsebo ea theknoloji ea DMR. Batla barekisi ba fanang ka ts'ehetso e felletseng, ho kenyelletsa moralo oa sistimi, ho kenya, koetliso le tlhokomelo e tsoelang pele. Nahana ka lintlha tse kang tšebeletso ea bareki, boleng ba sehlahisoa, le likhetho tsa tiisetso.
Polokeho le Tlhokomelo
Thepa Tšireletso
Boloka thepa ka nepo ho thibela tahlehelo kapa bosholu. Ha u sebelisa thepa libakeng tsa sechaba, ela hloko kotsi ea ho koeteloa le likotsi tse ling tsa tšireletso.
Tlhokomelo ea Kamehla
Hloekisa le ho hlahloba lisebelisoa khafetsa ho netefatsa hore likarolo tsa kantle le tse kahare ha li senyehe. Etsa tlhokomelo ea kamehla ho latela bukana ea lisebelisoa, joalo ka ho chencha libeteri le ho hloekisa lenakana.
Taolo ea Battery
Sebelisa libeteri tsa mantlha kapa tse tsamaisanang. Qoba ho sebelisa libeteri tse tlaase, tse ka senyang thepa kapa tsa baka likotsi tsa tšireletso. Chaja betri khafetsa 'me u qobe ho feta-ho chacha ho lelefatsa bophelo ba betri.
LBH
Re tsebahala-re le e mong oa bahlahisi le barekisi ba seea-le-moea ba dmr Chaena. Ka kopo, ikutloe u lokolohile ho romella seea-le-moea sa dmr se fumanehang ka bongata fekthering ea rona. Bakeng sa lihlahisoa tse ling tse theko e tlaase, ikopanye le rona hona joale.