Products>Ceramic Diplexers

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Ceramic Dipexers (Array Type,Monoblock Type,400Mhz~4Ghz)
Features:
Custom design, High frequency selectivity
Temperature Compensated
Low insertion loss
Low cost,fast delivery
Applications:
base station for GSM,CDMA,PHS wifi,Wimax,Femtocell
Repeater for GSM,CDMA PHS,Wifi,Wimax
GPS Cellular systems,PCS systems
Wireless Lan,MMDS,IMT-2000,DECT
Trunked Radio System(TRS)
Configuration:
Array type dielectric diplexer and monoblock type ceramic duplexer with 6,7,8,9,10 poles
Dimension:
Custom design available

A duplexer is used in a communications device to pass transmission signals and received signals in different frequency bands. A duplexer isolates the transmitter and the receiver to permit simultaneous operation in duplex operation of a radio transmitter and a receiver connected to a common antenna. A monoblock dielectric duplexer comprises a block of a dielectric material. The monoblock dielectric duplexer typically comprises a transmit-filtering portion and a receive-filtering portion, wherein the frequency band of the transmit-filtering portion relatively is lower than that of the receive-filtering portion. A dielectric type duplexer uses a dielectric for transmit and receive filters. A typical duplexer is a combination of bandpass and band-reject filters that allow signals from the transmitter to reach the antenna while preventing the transmit signals from reaching the receiver.