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Home > Products High Pass Filters > Duplex Filter

RF Components

Duplex Filter (VHF, UHF, 2GHz Band)

Duplex Filter (VHF, UHF, 2GHz Band)Duplexers are used for Transmission and Reception of RF signals, by using a single antenna and by providing necessary isolation between transmission and reception ports. Duplexers are usually used for Land Mobile Radio systems in various frequency bands.

Performance and Features:

Superior in Quality, Reliable and Cost Effective
Low VSWR
Simple yet rugged construction
All units are temperature compensated providing stability
Over operating temperature range

Electrical Specifications:

Click on image to enlarge

Model No.	300 033 27	300 053 16	300 025 06	300 044 24	300 045 06	300 051 06	300 072 00	300 062 06	300 064 24
Frequency (MHz)	147-152	165-172	130-153	148- 166	153-171	162-174	367-400	367-400	406-419
Insertion Loss Tx to Ant	< 1.6 dB	< 1.7 dB	< 1.0 dB	< 1.3 dB	< 1.0 dB	< 1.4 dB	< 1.4 dB	< 1.5 dB	< 1.5 dB
Insertion Loss Ant to Rx	< 4.0 dB	< 2.5 dB	< 2.5 dB	< 1.3 dB	< 2.5 dB	< 2.0 dB	< 4.5 dB	< 2.5 dB	< 1.5 dB
Tx Isolation on Rx Frequency	> 62 dB	> 65 dB	> 62 dB	> 80 dB	> 62 dB	> 60 dB	> 62 dB	> 75dB	> 80dB
Rx Isolation on Tx Frequency	> 90 dB	> 90 dB	> 60 dB	> 80 dB	> 62 dB	> 60 dB	> 62 dB	> 75dB	> 80dB
Return Loss (All Ports)	> 22 dB	> 22 dB	> 22 dB	> 22 dB	> 22 dB	> 22 dB	> 22 dB	> 22 dB	> 22 dB
Image rejection fRx + 42.8 MHz	> 80 dB	> 80 dB	> 60 dB	-	> 60 dB	> 60 dB	> 85 dB	> 85 dB	-
Harmonic Rejection at Ant port	> 45 dB	> 55 dB	> 60 dB	-	> 60 dB	-	> 40 dB	> 60 dB	-
DC Monitoring Voltage w.r.t 4 Watts at Tx port	6 ± 0.5V	6 ± 0.5V	-	-	-	-	-	3.6 ± 0.5V	-

Model No.	300 252 04
Frequency	2000 - 2300 MHz
Tx Rx Spacing	161 MHz
Insertion Loss Tx to Ant	< 1.5 dB
Insertion Loss Ant to Rx 1	< 2.1 dB
Insertion Loss Ant to Rx 2	10 ± 2 dB
Ant - Tx Monitoring	45 ± 5 dB
Tx Noise suppression at Rx Frequency	> 90 dB
Rx Noise suppression at Tx Frequency	> 90 dB
-0.1 dB Band Width	± 3 MHz
-0.1 dB Band Width	± 7 MHz
Image Rejection fr ± 70 MHz	> 90 dB

Model No.	300 222 00
Frequency	935 - 960 MHz
Insertion Loss at 947.5 MHz	1.2 dB
0.25 dB Band Width	25 MHz (Min)
Ant Port Return Loss	>/ = 18 dB
Tx Port Return Loss	>/ = 18 dB
Attenuation @ 889-916 MHz	51 dB
Rx Frequency Band	889 - 916 MHz
Insertion Loss at 902.5 MHz	1.2 dB (Max)
0.25 dB Band Width	25 dB (Min)
Ant Port Return Loss	>/ = 18 dB
Rx Port Return Loss	>/ = 18 dB
Attenuation @ 934 - 916 MHz	>/ = 51 dB
Connector	Ant-7/16 DIN Jack Tx & Rx-N Jack

Mechanical Specifications:

Model No.	300 033 27	300 053 16	300 025 06	300 044 24	300 045 06	300 051 06
LxBxH (mm.)	254 x 112 x 27	192 x 64 x 55.2	192 x 64 x 55.2	192 x 64 x 55.2	192 x 64 x 55.2	192 x 64 x 55.2
Material	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium
Finish	Black - Mat Finish / Powder Coating or Zinc Passivation

Model No.	300 072 00	300 062 06	300 064 24	300 252 04	300 222 00
LxBxH (mm.)	203 x 100 x 27	246 x 104 x 27	186 x 74.1 x 27	231 x 40 x 30	480 x 71 x 44.5
Material	Aluminium	Aluminium	Aluminium	Brass	Brass
Finish	Black - Mat Finish / Powder Coating Silver Plated

Environmental Specifications:

Temperature Range

0°c to + 60°c