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Description:
Band Selective Device，also known as Frequency Selective Device, achieves the selection of communication band, make the repeater amplify the signal within needed band availably.
Series:
Our products, covering from Bandwidth fixed single band selective device, Bandwidth fixed dual band selective device, Bandwidth adjustable single band selective device, and Bandwidth adjustable dual band selective device. Including common communication 2G frequency(CDMA450, CDMA800, CDMA1900, GSM, EGSM, GSM1800, GSM1900, DCS, PCS, WLAN), 3G frequency(WCDMA, UMTS, CDMA2000), Trunking Communication(TETRA, iDEN, GoTa, GT800, 350Mhz Police Communication), Digital TV Communication(CMMB, DVB-H, T-DMB, S-DMB), Railway Communication System(450MHz Radio Train Dispatch Communication Series, GSM-R Series), Military Communication, FM Broadcast Communication, Interphone Communication, Marine Communication, Sea Area Coverage Systems, etc.
Technical parameters:
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Maximum output power（dBm） |
-10~0 |
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Gain adjustment range（dB） |
≥25 |
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VSWR |
≤1.3 |
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Power requirement |
DC+9V~+27V |
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Monitoring |
Frequency setting, lose lock indication, fault alarm, etc. |
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Work temperature（℃） |
-40～+55 |
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Average faultless working time (H) |
50000 |
Typical Application：
It is applicable to the matching of all repeater machine manufacturers.
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