smartop diplexer

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SM ARTop Dual Band

G SM 900/1800 Diplexer

The pow erfu l, eff icient solu tio n f or op tim izing w ireless cell sites

SMARTop Tow er Top Am pl i f iers

Features:

Combines G SM 900 M Hz and GSM 1800 M Hz signals onto one feedercable to allow co-siting of antennas

A llows minimum modulation interference to maintain signal integrity

Sturdy, weatherproof casing

Reliable coaxial resonators provide low losses across temperature range

Compact design eases logistics


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D

ualBand

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D

iplexer

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The SM A RTop Dual Band GSM 900/1800 Diplexer is a compact solution which provides wideband fil-

tering for both GSM 900 M Hz and G SM 1800 M Hz signals with minimum intermodulation interference.

Designed for use in co-siting environments, the SM A RTop Dual Band GSM Diplexer combines both the

G SM 900 and 1800 M HZ signals onto one feeder cable. O perators can save up to 50% on cable costs,

as well as saving on total equipment and maintenance costs since wideband filtering for both branches

is performed in one unit.

SM A RTop Dual Band G SM Diplexer units are mounted in an integrated weatherproof casing for place-

ment on the tower top near the antenna. Reliable coaxial resonators provide very low losses for the wide

temperature range.

SMARTop Dual Band GSM 900/1800 Diplexer

B A S E

S TATION

900 ANT1800 ANT

1800 ANTENNA 900 ANTENNA

SMARTop

GSM DIPLEXER

SMARTop

GSM DIPLEXER

1800 ANT

ONLY 1 FEEDER CABLE

900

B TS

GS M 1800

B TS

GS M 900

1800 ANT 900


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SMARTop Dual Band GSM 900/1800 Diplexer

Specifications

ELECTRICAL

Frequency Range

GSM 900 branch: 880-960 M Hz

GSM 1800 branch: 1710-1880 M HzInsertion Loss (at each band): 18 dB

At ANT port: >18 dB

Input Impedance: 50 ohms

Output Impedance: 50 ohms

Maximum Power at Input (both)

RMS power: 150 WGroup Delay Distortion

(925-960 MHz and

1805-1880 MHz) @240 kHz: 10 ns

Intermodulation

At GSM 900 branch: (2 x 20 W TX carriers)TX band (925-960 MHz):


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ADC Telecommunications, Inc., P.O . Box 1101, M inneapolis, M innesota USA 55440-1101

Specif icationspublished here are current asof the date of publication of this document. Because we are continuously improving our products, ADC

reserves the right to change specifi cations without prior notice. A t any time, you may verify product specif ications by contacting our headquarters

offi ce in M inneapolis. A DC Telecommunications, Inc. views its patent portfolio as an important corporate asset and vigorously enforcesi ts patents.Products or featurescontained herein may be covered by one or more U.S. or foreign patents.

1644 4/01 Original 2001 ADC Telecommunications, Inc. All Rights Reserved An Equal Opportunity Employer

Web Site: w w w.adc.comFrom N orth A merica, C all Toll Free: 1-800-366-3891, Ext. 63475 O utside of North America: +1-952-938-8080 Fax: +1-952-946-3292

For a complete listing of A DC 'sglobal salesoffice locations, please refer to our web site.

smartop diplexer

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