Tetra 400 MHz Ọna meji Redio UHF ikanni Yan RF BDA Signal Repeater Bi-Directional Amplifier jẹ ẹya ifihan agbara RF ti a lo lati mu ilọsiwaju awọn ibaraẹnisọrọ redio ni awọn ipo nibiti ifihan redio.
BDA (Bi-Directional Amplifier) ni a lo lati pese ibaraẹnisọrọ bidirectional laarin awọn ebute redio ati ibudo ipilẹ lati le baamu ni eyikeyi iru awọn agbegbe.O le ṣee lo ni ita lati fa iwọn agbegbe ti ibudo ipilẹ, ṣiṣe awọn iṣẹ ibaraẹnisọrọ ti o wa ni awọn agbegbe ti ko si tabi awọn ifihan agbara alailagbara, eyiti a gba lọpọlọpọ fun awọn tunnels, awọn ọna, awọn oju opopona, awọn agbegbe ita, awọn agbegbe ibugbe ti o kunju, ati bẹbẹ lọ.
Akọkọ Awọn ẹya ara ẹrọ
◇ Ibamu pẹlu TETRA, TETRAPOL, P25 (Ph1 ati Ph2)
◇ Laini giga PA, Ere eto giga, imọ-ẹrọ ALC ti oye
◇ Duplex ni kikun ati ipinya giga lati ọna asopọ si isalẹ;
◇ Ṣiṣayẹwo aifọwọyi, iṣẹ irọrun adaṣe adaṣe;
◇ Iṣakoso ere adijositabulu olumulo, UL ati DL ominira, fun ikanni;
◇ Abojuto agbegbe ati latọna jijin (iyan) pẹlu itaniji aṣiṣe aifọwọyi & iṣakoso latọna jijin; Ilana SNMP (aṣayan) .
◇ IP67/NEMA4X Apẹrẹ oju ojo fun fifi sori gbogbo oju-ọjọ.
| Awọn nkan | Uplink | Isalẹ isalẹ | ||
| Igbohunsafẹfẹ Ṣiṣẹ (ṣe asefara) | 449.5-455MHz | 459,5-465MHz MHz | ||
| Passband BW.min | 5.5MHz | |||
| Isalẹ si Uplink Iyapa, min | 10MHz | |||
| O pọju.Ipele igbewọle (Ti kii ṣe iparun) | -10dBm | |||
| O pọju.Agbara Ijade (aṣeṣe) | + 33dBm | + 37dBm | ||
| O pọju.jèrè | 85dB | 85dB | ||
| Passband ripple | ≤3dB | |||
| Ere Atunse Ibiti | 1 ~ 31dB @ igbese ti 1dB | |||
| Iṣakoso Ipele Aifọwọyi (ALC) | 30dB | |||
| Iwọn Igi Iduro Foliteji (VSWR) | ≤ 1.5 | |||
| Ariwo Figure @ Max Gain | ≤5dB | |||
| Aṣiṣe PP alakoso | ≤20 | |||
| Aṣiṣe Alakoso RMS | ≤ 5 | |||
| Imujade ti o buruju | Laarin ṣiṣẹ band | ≤ -36dBm/30kHz | ||
| Jade ti ṣiṣẹ band | 9kHz~1GHz: ≤ -36dBm/30kHz 1GHz: ≤ -30dBm/30kHz | |||
| Inter-awoṣe | Laarin ṣiṣẹ band | ≤ -36dBm/3kHz tabi ≤ -60dBc/3kHz | ||
| Jade ti ṣiṣẹ band | 9kHz~1GHz: ≤ -36dBm/30kHz 1GHz~12.75GHz: ≤ -36dBm/30kHz | |||
| Idaduro Ẹgbẹ | ≤ 6.0µS | |||
| Jade ti Band ijusile | ≤ -40dBc @ ± 1MHz≤ -60dBc @ ± 5MHz | |||
| Iduroṣinṣin Igbohunsafẹfẹ | 0.05ppm | |||
