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Wireless Duplexer Products 

K&L Microwave offers a variety of wireless duplexers for the communications marketplace, built to customers' electrical, mechanical, and environmental specifications. The list below contains part numbers meeting existing industry and customer specifications. Use the quote cart to request a quote on an existing design or to provide specifications for a custom design.

1.          WSD-00503 - AMPS & DCS/UMTS CROSSBAND COUPLER

806 to 960 MHz / 1710 to 2170 MHz,

Offers a high level of isolation and low insertion loss in an environmentally sealed package for external co-located AMPS & DCS/UMTS communication sites. Maximum passband power-handling is rated at 750 watts CW and 12kW peak instantaneous. Equipped with mounting flanges and designed for outdoor use.

2.          WSD-00024 - AMPS Fullband Duplexer

824-849 MHz / 869-894 MHz

High Power Handling
110 dB Minimum Isolation
Optional Rack Mount Assembly
Fits into 2U Rack Space

3.          WSD-00025 - AMPS Fullband Duplexer

824-849 MHz / 869-894 MHz

50 dB Minimum Isolation and Low Insertion Loss
Ideal for Microcell Applications
Small, Low Profile Housing
AVAILABLE FROM STOCK
WSD-00022 Shown

4.          WSD-00392 - BWA/W-Fi Duplexers

2300 to 2900 MHz

Customer Specified Factory Tuned Center Frequencies
Low Loss - 1 dB Typical
High Isolation - 65 dB Typical
Cavity Filter Performance in Very Small Size

5.          WSD-00248 - CDMA (800MHz) Micro-cell Duplexer

825-835 MHz / 870-880 MHz

Integrated Low Pass Filter
Compliance with Chinese CDMA Filter Standards
Tranismit Path 40 dB Rejection @ 885 MHz
Compact Size
Low Insertion Loss

6.          WSD-00179 - CDMA Japanese Band Duplexer

832-870 MHz / 887-925 MHz

70 dB Minimum Isolation
Passbands: Transmit 832-870 MHz, Receive 887-925 MHz
Low Insertion Loss / Small Size
Ideal for Picocell or Microcell Base Station Installations
Handset or Equipment Test Systems

7.          WSD-00150 & WSD-00230 - Cellular & DCS/PCS/UMTS Crossband Couplers

800-980 MHz /1700-2000 MHz; 800-980 MHz / 1700-2200 MHz

High Isolation - 70 dB typical
Low Insertion Loss - 0.15 dB typical
500 watts CW and 10,000 watts peak 800-980 MHz
250 watts CW and 5,000 watts peak 1700-2000 MHz

8.          WSD-00242 - Cellular CDMA/GSM Crossband Coupler

825-880 MHz / 890-960 MHz

High Isolation - 75 dB typical
Low Insertion Loss - 0.5 dB typical
High Power: 200 watts CW and 4000 watts peak
Co-Located CDMA/GSM Systems; Tunnel/Remote Coupling;
Dual Band Base Station or Handset Testing

9.          5LZ10-00021 - Cellular/PCS & WLL/WiFi Diplexer

800 - 1990 MHz / 2300 - 2600MHz

Combining/Splitting of 800-1990 MHz and 2300-2600 MHz Signals
Low Loss Design - 1.0 dB max.
Eliminates Hybrid Losses - Reduces Noise Figure
50 dB min. Isolation/Rejection / Small Compact Size

10.      2KCZ30-00002/00003 - Cellular/PCS Diplexer

800 to 900 MHz / 1750 to 2000 MHz

Highpass/Lowpass Diplexer
Low Passband Insertion Loss
Dual Band AMPS/PCS Coverage
Small Size/Low Cost
Connectorized & Surface Mount Configurations

11.      WSD-00097 - DCS Duplexer

1750-1780 MHz / 1840-1870 MHz

Passbands: Receive 1750-1780 MHz, Transmit 1840-1870 MHz
High Isolation - 75 dB minimum
Low Insertion Loss - 0.5 dB typical
Small Compact Size - <28 cubic inches

12.      WSD-00018 - DCS Fullband Duplexer

1710-1785 MHz / 1805-1880 MHz

Low Insertion Loss; <0.6 dB typical
Compact Design
Ideal for Microcell Requirements
50 dB Minimum Isolation

13.      WSA-00102 - DCS/UMTS Dual Band Duplexer

DCS 1710-1785 MHz / 1805-1880 MHz
UMTS 1920-1980 MHz / 2110-2170 MHz

Allows for simplified dual band handset testing, or can be used in dual band base station applications. Contains two duplexers with similar function ports multiplexed to provide single receive, transmit, and antenna ports for integration to test or base transceiver systems.

14.      WSD-00184 - EGSM Duplexer

880-915 MHz / 925-960 MHz

High Isolation (75 dB min) / Low Insertion Loss (1.25 dB max)
High Power Handling (50 Watts CW)
Macro or Micro EGSM Base Stations
EGSM Repeaters and Systems
Base Station or Handset EGSM Test Systems

15.      WSD-00026 - EGSM Fullband Duplexer

880-915 MHz / 925-960 MHz

40 dB Minimum Isolation
Low Insertion Loss; 0.7 dB typical
Ideal for Microcell Application
Ideal for Microcell Requirements

16.      WSD-00126 - GSM Duplexer

880-915 MHz / 925-960 MHz

High Isolation - 85 dB minimum
Low Insertion Loss - 0.7 dB typical
High Return Loss - 17 dB typical
AVAILABLE FROM STOCK

17.      WSD-00403 MMDS Duplexer - MMDS Duplexer

2500 to 2566 MHz / 2620 to 2686 MHz

Full Coverage of MMDS Spectrum
Low Loss - 0.5 dB Maximum
High Rejection / Isolation - 80 dB Minimum
High Transmit Power Handling

18.      WSD-00132/00133/00134 - PCS 20 MHz Subband Duplexers

WSD-00132 1850-1870 MHz /1930-1950 MHz
WSD-00133 1870-1890 MHz /1950-1970 MHz
WSD-00134 1890-1910 MHz /1970-1990 MHz

20 MHz A&D, B&E, and F&C Band Models
High Isolation
Low Insertion Loss
Small, Low Cost Package

19.      WSD-00324 - PCS Band 1900MHz BTS Macro-cell Duplexer

1905 to 1910 MHz / 1985 to 1990 MHz

Receive Passband: 1905 to 1910 MHz
Transmit Passband: 1985 to 1990 MHz
Low Insertion Loss / Excellent Rejections
Good Power Handling
Used in 1900MHz PCS Band BTS Macro-cell

20.      WSD-00001 - PCS Fullband Duplexer

1850-1910 MHz / 1930-1990 MHz

75 dB Minimum Isolation
Low Insertion Loss - 0.7 dB typical
Full Band, Highly Selective Performance
for both Transmit and Receive Channels
AVAILABLE FROM STOCK

21.      WSD-00010 - PCS Fullband Duplexer

1850-1910 MHz / 1930-1990 MHz

40 dB Minimum Isolation
Very Low Insertion Loss - 0.5 dB Maximum
Low Profile, Compact Housing
Ideal for Microcell Requirements

22.      WSD-00045 - PCS Fullband Duplexer

1850-1910 MHz / 1930-1990 MHz

62 dB Minimum Isolation
Low Insertion Loss - 0.8 dB typical
High Return Loss - 18 dB typical
Small, High Performance Package

23.      WSD-00357 & WSD-00359 - SMR & ESMR / Public Safety Duplexers

806 - 821 MHz / 851 - 866 MHz
806 - 824 MHz / 851 - 869 MHz

WSD-00357 (15 Mhz) and WSD-00359 (18 MHz)
Highly Selective Bandpass Response for Both Channels
High Isolation
Compact Dimensions: 7.5" x 6.0" x 2.75" (excluding connectors)
iDEN or Public Safety Micro or Repeaters

24.      WSD-00305 - Tetra Band Duplexer

453 to 457.5 MHz / 463 to 467.5 MHz

High Power Rating
Low Insertion Loss
High Rejection Levels
Excellent Return Loss
30 dB Harmonic Suppression to 6 GHz

25.      WSD-00225 - UHF Duplexer

452.438–452.738 MHz / 457.438–457.738 MHz

84 dB Minimum Isolation
Very Narrow Passbands – 0.3 MHz
Low Insertion Loss – 2.0 dB typical
High Return Loss – 22 dB typical
Compact Design

26.      WSD-00189 & WSD-00199 - UMTS Band Duplexer

1920-1980 MHz / 2110-2170 MHz

75 dB Minimum Isolation
Low Insertion Loss - 0.8 dB typical
High Transmit Power Handling
Picocell, Microcell, and Macrocell Base Station Installations

27.      WSD-00191 - UMTS Band Duplexer

1920–1980 MHz / 2110-2170 MHz

75 dB Minimum Isolation
Low Insertion Loss - 0.8 dB typical
High Transmit Power Handling
Picocell, Microcell, and Macrocell Base Station Installations
Handset or Equipment Test Systems

28.      WSD-00292 - UMTS Duplexer

1920–1980 MHz / 2110-2170 MHz

Full Band UMTS Duplexer
Low Insertion Loss: < 0.5 dB Typical
High Isolation: 60 dB minimum
Small Size: 108mm x 60mm x 38.1mm

29.      WSD-00327 - UMTS Duplexer

1920 to 1980 MHz / 2110 to 2170 MHz

Low Insertion Loss: 0.8 dB Max
Highly Selective / High Isolation: 85 dB Min
Passband Group Delay Variation: 40 nS Max
Intermodulation Performance: -120 dBm Max
Compact Dimensions: 5.49” x 5.15” x 1.5”

30.      WSD-00053 - WLL Duplexer (2.4 GHz)

2400-2420 MHz / 2460-2480 MHz

55 dB Minimum Isolation
Low Insertion Loss - 0.7 dB typical
High Return Loss - 18 dB typical
Small, Compact Size

31.      WSD-00241 - WLL/CDMA Duplexer (1900 MHz)

1890-1910 MHz / 1970-1990 MHz

Low Passband Insertion Loss
Ultimate Rejection to 12.75 GHz
Over 90 dB Rejection Levels
China’s 1900 MHz WLL / CDMA-95 Microcell BTS

32.      WSA-00045 Dual Band Duplexer

AMPS 824-849 MHz / 869-894 MHz
PCS 1850-1910 MHz / 1930-1990 MHz

Each similar function port (for example, Rx-Rx, Tx-Tx, and Antenna to Antenna) are multiplexed together to provide the customer with single receive, transmit and antenna ports for integration to test systems.

33.      High-Power & Broadband Matched Band-Pass/Band-Stop Diplexers

• Up/Down Converters - As a Buffer Between the Mixer and the Amplifier

• RF/Microwave Multi-Plexer Modules - Cascade of BP/BS Stages

• Combining/Splitting Three Cellular Base Stations to a Common Antenna; Example: DCS, PCS, UMTS

• Broadband Measurement of RF Emission from Cellular Base Station by Splitting the Carriers from the Intermodulation Products