|Variable Bandwidth Band Selective Device|
High reliability, high stability.
Adopts advanced digital PLL and TCXO or OCXO technology, has good
phase noise and the frequencystability of high precision.
Adopts advanced intermediate frequency SAW filter technology,
selectivity is particularly good, can effectively inhibit the
signal filtered out of band.
Center frequency and band setting are simple.
Frequency offset temperature compensated, gain temperature
Have various monitoring interfaces, I2C/UART/RS485/RS232 or according to the client requirements
Overall product series and perfect power grade to satisfy different system
Band Selective Devicealso known as Frequency Selective Device,
achieves the selection of communication band, make the repeater
amplify the signal within needed band availably.
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.
Maximum output power（dBm）
Gain adjustment range（dB）
Frequency setting, lose lock indication, fault alarm, etc.
Average faultless working time (H)