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Home : Products : Duplexer Filters

Duplexers,Frequency Range 400-520 MHZ and 800 to 950 MHz

OPT HELLAS Duplexers are band reject type cavity filters which are designed for simultaneous Receiver/Transmitter operation through a single common antenna port. These Duplexers cover the typical frequency range from 66 MHz to 960 MHz. standard 6 cavity duplexers are available with excellent electrical Characteristics and Noise Suppression between the Transmitter and Receiver ranging from 60 to 90 db.

These Duplexers are ideal for 50 Ω Repeaters and Base Station applications where higher Power and compact dimensions are essential. The cavities are made from extruded Aluminum and the chassis from Passivated steel. The coil forms of the High Q helical resonators are made from Teflon to improve the Electrical Characteristics of the Filters.


1. Frequency Range 400 to 520 MHz:

SPECIFICATIONS

DL4052-6A

DL4052-6B

Frequency Range (MHz)

400 MHz – 520 MHz

Spacing (ΔF=Tx-Rx) MHz

5.0

10

Insertion Loss, Tx-ANT (db max)

1.3

1.1

Insertion Loss, Rx-ANT (db max

1.2

1.1

Co-channel Isolation (db min)

70

80

Power Handling (*) (Watts Max)

50

Impedance in Ω

50

VSWR (max)

1.5: 1

Dimensions (L X W X H ) mm -max

175 X 160 X 32

Connector Type

BNC, N type, SMA

2. Frequency Range 800 to 950 MHz:

SPECIFICATIONS

DL-8096-6

Frequency Range (MHz)

800 MHz – 960 mhz

Spacing (ΔF=Tx-Rx) MHz

45.0 min

Insertion Loss, Tx-ANT (db max)

1.3

Insertion Loss, Rx-ANT (db max

1.3

Co-channel Isolation (db min)

80

Power Handling (*) (Watts Max)

50

Impedance in Ω

50

VSWR (max)

1.5: 1

Dimensions (L X W X H ) mm -max

175 X 160 X 32

Connector Type

BNC, N type, SMA

NOTES : (1) Other Frequency spacing available on request
(2) Higher Power handling duplexers are available
(3) Multiple Channel tuning is available with reduced isolation sacrifice

When ordering - Order by model
- Specify Tx and Rx frequencies
- Specify type of connectors
- Specify tuning method (single or multiple chanel)

Model No

Example # 1

DL-4052-6A

Example # 1

DL-1418-6

Connector Type

BNC

N type

Tx Frequency

410 MHz

140.0 MHz

Rx Frequency

420 MHZ

145.5 MHz

Tuning Method

Single Channel

Multiple Channel

To obtain a copy of the above data table, click here!

 



Duplexers, Frequency Range: 66 to 88 MHz and 140 to 174 MHz

OPT HELLAS Duplexers are band reject type cavity filters which are designed for simultaneous Receiver/Transmitter operation through a single common antenna port. These Duplexers cover the typical frequency range from 66 MHz to 960 MHz. standard 6 cavity duplexers are available with excellent electrical Characteristics and Noise Suppression between the Transmitter and Receiver ranging from 60 to 90 db.

These Duplexers are ideal for 50 Ω Repeaters and Base Station applications where higher Power and compact dimensions are essential. The cavities are made from extruded Aluminum and the chassis from Passivated steel. The coil forms of the High Q helical resonators are made from Teflon to improve the Electrical Characteristics of the Filters.

1. Frequency Range 66 to 88 MHz:

SPECIFICATIONS

DL-6688-6

Frequency Range (MHz)

66 MHz – 88 MHz

Spacing (ΔF=Tx-Rx) MHz

4.0

Insertion Loss, Tx-ANT (db max)

1.2

Insertion Loss, Rx-ANT (db max

1.2

Co-channel Isolation (db min)

80

Power Handling (*) (Watts Max)

50

Impedance in Ω

50

VSWR (max)

1.5: 1

Dimensions (L X W X H ) mm -max

175 X 160 X 32

Connector Type

BNC, N type, UHF

2. Frequency Range 140 to 174 MHz:

SPECIFICATIONS

DL-1418-6

Frequency Range (MHz)

140 MHz – 175 MHz

Spacing (ΔF=Tx-Rx) MHz

4.5 min

Insertion Loss, Tx-ANT (db max)

1.2

Insertion Loss, Rx-ANT (db max

1.2

Co-channel Isolation (db min)

80

Power Handling (*) (Watts Max)

50

Impedance in Ω

50

VSWR (max)

1.5: 1

Dimensions (L X W X H ) mm -max

175 X 160 X 32

Connector Type

BNC, N type, UHF

NOTES : (1) Other Frequency spacing available on request
(2) Higher Power handling duplexers are available
(3) Multiple Channel tuning is available with reduced isolation sacrifice

When ordering - Order by model
- Specify Tx and Rx frequencies
- Specify type of connectors
- Specify tuning method (single or multiple chanel)

Model No

Example # 1

DL-4052-6A

Example # 1

DL-1418-6

Connector Type

BNC

N type

Tx Frequency

410 MHz

140.0 MHz

Rx Frequency

420 MHZ

145.5 MHz

Tuning Method

Single Channel

Multiple Channel

To obtain a copy of the above data table, click here!

© 2017 - OPT Hellas SA

OPT Hellas SA, 101, Kon. Paleologou Str., GR-190 04, Spata, Athens, Greece Tel: +30-210-6025072 , Fax:+30-210-6025534

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