iDEN/TETRA 800MHz +27dBm Off-air BDA (Bi-Directional Amplifier) ke RF signal booster e sebelisetsoang ho ntlafatsa puisano ea seea-le-moea maemong ao lets'oao la radio.
Sistimi ea Kingtone Repeaters 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 a holisoa le ho fetisetsoa ho BTS ka tsela e fapaneng.
Ka sehloohong Likaroloana
1,Phahameng linearity PA;Phaello e phahameng ea sistimi;
2, theknoloji ea ALC e bohlale;
3,Duplex e felletseng le ho itšehla thajana ho tloha holimo ho ea ho downlink;
4, Opereishene e ikemetseng e sebetsang hantle;
5, mokhoa o kopantsoeng o nang le ts'ebetso e tšepahalang;
6, Tlhokomelo ea lehae le e hole (ho ikhethela) ka alamo ea phoso e ikemetseng & taolo ea hole;
7, moralo o thibelang boemo ba leholimo bakeng sa ho kenya maemo a leholimo ohle;
Technical Litlhaloso
Items | Teko Boemo | Stlhaloso | Meno | ||
Holimoenke | Tlaasek | ||||
Nako ea ho sebetsa(MHz) | Nominal Frequency | 806 - 821MHz | 851-866MHz | Sehlopha se felletseng kapa sehlopha se senyenyane | |
Bophahamo ba motlakase | Sehlopha sa mabitso | 15MHz | E ka hlophisoa ka sehlopha sa mosebetsi | ||
Fumana(dB) | Nominal Output Power-5dB | 70±3 | 75±3 | ||
Matla a Output (dBm) | Letšoao le feto-fetohang la GSM | +20± 1 | +27± 1 | ||
ALC (dBm) | Kena Letšoao eketsa 20dB | △Po≤±1 | |||
Setšoantšo sa Lerata (dB) | Ho sebetsa ho-sehlopha (Max. Gain) | ≤5 | |||
Ripple ka hare-sehlopha (dB) | Nominal Output Power-5dB | ≤3 | |||
Mamello ea Maqhubu (ppm) | Nominal Output Power | ≤0.05 | |||
Nako ea ho lieha (rona) | Ho sebetsa ho-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 fetolehang (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 ho-sehlopha | ≤- 45 | |||
SpuriousEmission(dBm) | 9kHz-1GHz | BW: 30KHz | ≤-36 | ≤-36 | |
1 GHz-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 |