Kingtone 20W Tetra800MHz Two Way Radio UHF Band SelectiveMofetoleli oa LetšoaoSistimi ea Bi-Directional Amplifier e etselitsoe ho rarolla mathata a lets'oao le fokolang la mohala, le theko e tlase haholo ho feta ho eketsa Base Station (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.
Ntho e ka sehloohong
- Lintlha tse ka sehloohong tsa TETRA 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
-
Likopo tse pheta-phetoang tsa TETRA800Mhz
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
806 - 821MHz
851 - 866MHz
Fumana(dB)
Nominal Output Power-5dB
95±3
Matla a Output (dBm)
Letšoao le feto-fetohang la GSM
37
45
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
Gain Adjustment 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/O Port
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
