- Selelekela
- Ntho e ka sehloohong
- Lisebelisoa le maemo
- Tlhaloso
- Likarolo/Tiisetso
-
MehalaPheta-pheta
Likhokahanong tsa mehala, motho ea pheta-phetoang ke sesebelisoa sa elektroniki se amohelang lets'oao le ho le fetisetsa hape.Pheta-phetas li sebelisetsoa ho atolosa phetisetso e le hore lets'oao le khone ho koahela libaka tse telele kapa le amoheloe ka lehlakoreng le leng la tšitiso.
Ho na le mefuta e mengata e fapaneng ea ba pheta-pheta;mochine o pheta-phetang mohala ke amplifier mohala oa thelefono, optical repeater ke potoloho ea optoelectronic e matlafatsang khanya ea leseli ka mohala oa fiber optical;'me mochine o pheta-phetoang seea-le-moea ke mochine o amohelang le ho fetisa molaetsa oa radio hape.Kingtone Repeaters
Sistimi ea Kingtone e etselitsoe ho rarolla mathata a lets'oao le fokolang la mohala, le theko e tlase haholo ho feta ho eketsa Seteishene se secha sa Base (BTS).Ts'ebetso ea mantlha ea sistimi ea RF Repeaters ke ho amohela lets'oao la matla a tlase ho tsoa ho BTS ka phetiso ea maqhubu a seea-le-moea ebe o fetisetsa lets'oao le matlafalitsoeng libakeng tseo marang-rang a sa lekaneng.'Me lets'oao la mohala le lona le holisitsoe mme le fetisetsoa ho BTS ka tsela e fapaneng.Mohala oa mohala
Sena se sebelisetsoa ho eketsa mefuta e mengata ea matshwao a fono mohala.Li sebelisoa hangata ho li-trunkline tse tsamaisang mehala e telele.Mohala oa mohala oa analog o nang le lithapo tse peli, o na le potoloho ea amplifier e entsoeng ka li-transistors tse sebelisang matla a tsoang mohloling oa hona joale oa DC ho eketsa matla a lets'oao la molumo oa hona joale moleng.Kaha mohala ke mokhoa oa puisano oa duplex (bidirectional), mohala o na le mats'oao a mabeli a molumo, e 'ngoe e ea lehlakoreng ka leng.Kahoo batho ba pheta-phetoang mohala ba tlameha ho ba linaha tse peli, ba holise lets'oao ka mahlakore ka bobeli ntle le ho baka maikutlo, e leng se thatafatsang moralo oa bona haholo.Mehala e pheta-phetoang e ne e le mofuta oa pele oa ho pheta-pheta 'me e ne e le tse ling tsa lisebelisoa tsa pele tsa ho hōlisa.Nts'etsopele ea batho ba pheta-phetoang mehala lipakeng tsa 1900 le 1915 e entse hore tšebeletso ea mehala e telele e khonehe.Leha ho le joalo lithapo tse ngata tsa mehala ea mehala ea mehala joale ke likhoele tsa fiber optic tse sebelisang li-optical repeater (ka tlase).Moetsi oa mohala
Ena ke radio e pheta-phetoang bakeng sa ho matlafatsa kamohelo ea liselefouno sebakeng se lekanyelitsoeng.Sesebelisoa se sebetsa joalo ka seteishene se senyenyane sa mehala ea cellular, se nang le antenna e lebisang ho amohela lets'oao ho tsoa toreng e haufi ea lisele, amplifier, le antenna ea lehae ho phatlalatsa lets'oao hape ho mehala ea cellular e haufi.Hangata e sebelisoa meahong ea liofisi e bohareng ba toropo.
- Ntho e ka sehloohong
-
Likarolo tse ka sehloohong tsa repeater :
Phahameng linearity PA;Phaello e phahameng ea sistimi;
Theknoloji e bohlale ea ALC;
Duplex e felletseng le ho itšehla thajana ho tloha holimo ho ea ho downlink;
Automatic Opereishene e bonolo;
Mokhoa o kopantsoeng o nang le ts'ebetso e tšepahalang;
Tlhokomelo ea lehae le e hole (ho ikhethela) ka alamo ea phoso ea othomathiki & taolo ea hole;
Moralo o thibelang boemo ba leholimo bakeng sa ho kenya maemo a leholimo kaofela;
- Lisebelisoa le maemo
-
DCS 1800Mha mobile signal repeater Applications
Ho holisa sebaka sa bofofu sa lets'oao la ho tlatsa moo lets'oao le fokolang
kapa ha e fumanehe.
Kantle: Boema-fofane, Libaka tsa Bohahlauli, Lithuto tsa Kolofo, Likotopo, Lifeme, Litereke tsa Meepo, Metse joalo-joalo.
Ka hare: Lihotele, Litsi tsa Lipontšo, Kamore e ka tlaase, Mabenkele
Litsi tsa mabenkele, liofisi, litsi tsa ho paka jj.
E sebetsa haholo-holo maemong a joalo:
Motho ea pheta-phetang a ka fumana sebaka sa ho kenya se ka amohelang letšoao le hloekileng la BTS boemong bo lekaneng bo lekaneng kaha Rx Level sebakeng sa ho pheta-pheta e lokela ho ba ho feta -70dBm;
Mme e ka fihlela tlhoko ea ho itšehla thajana ho qoba ho itšehla thajana.
- Tlhaloso
-
Lintho
Teko Boemo
Tlhaloso
Uplink
Khokahano e tlase
Nako ea ho sebetsa(MHz)
Nominal Frequency
1710-1785MHz
1805-1880MHz
Fumana(dB)
Nominal Output Power-5dB
95±3
Matla a Output (dBm)
Letšoao le feto-fetohang la GSM
33
40
ALC (dBm)
Kena Letšoao eketsa 20dB
△Po≤±1
Setšoantšo sa Lerata (dB)
Ho sebetsa ka sehlopha（Max.Fumana）
≤5
Ripple in-band (dB)
Nominal Output Power -5dB
≤3
Mamello ea Maqhubu (ppm)
Nominal Output Power
≤0.05
Nako ea ho lieha (rona)
Ho sebetsa ka sehlopha
≤5
Peak Phase Error(°)
Ho sebetsa ka sehlopha
≤20
Phoso ea Phase ea RMS (°)
Ho sebetsa ka sehlopha
≤5
Fumana Mohato oa ho Fetola (dB)
Nominal Output Power -5dB
1dB
FumanaTokiso Range(dB)
Nominal Output Power -5dB
≥30
Fumana Linear e Fetohang (dB)
10dB
Nominal Output Power -5dB
±1.0
20dB
Nominal Output Power -5dB
±1.0
30dB
Nominal Output Power -5dB
±1.5
Inter-modulation Attenuation (dBc)
Ho sebetsa ka sehlopha
≤-45
Phallo e sa Tšoaneng (dBm)
9kHz-1GHz
BW: 30KHz
≤-36
≤-36
1GHz-12.75GHz
BW: 30KHz
≤-30
≤-30
VSWR
Boema-kepe ba BS/MS
1.5
I/OBoemakepe
N-Mosali
Tšitiso
50 ohm
Mocheso oa ho sebetsa
-25°C~+55°C
Mongobo o Batlang
Max.95%
MTBF
Min.Lihora tse 100000
Phepelo ea motlakase
DC-48V/AC220V(50Hz)/AC110V(60Hz)( ±15%)
Mosebetsi oa Remote Monitoring
Alamo ea nako ea 'nete bakeng sa Boemo ba Monyako, Mocheso, Phepelo ea Matla, VSWR, Matla a Output
Remote Control Module
RS232 kapa RJ45 + Wireless Modem + Chargeable Li-ion Battery
- Likarolo/Tiisetso
- 1 selemo tiisetso .6months bakeng sa lisebelisoa
■ ikopanye le mofani oa thepa ■ Tharollo&Tsebeliso
-
*Mohlala: KTWTI-7-08/2.5VG
*Sehlopha sa Sehlahisoa : Antenna ea G Indoor Directional Ceiling
-
*Mohlala : KT-TRP-B15-P45-B
*Sehlopha sa Sehlahisoa : 30W Tetra800MHz Band Selection Repeaters -
*Mohlala : KT-IRP-B15-P33-B
*Sehlopha sa Sehlahisoa: 2W IDEN800 +33dBm Band Selection Repeater -
*Mohlala: KT-GW20
* Sehlopha sa sehlahisoa: Theko e tlase 2100mhz wcdma repeater mobile signal booster amplificador celular
-
