1800M DTMAModel: ATA181100 (AISG1.1)

ATA182000 (AISG2 0)ATA182000 (AISG2.0)

Product Description

The Dual Tower Mounted Amplifier (near the antenna. It helps to improve th

Features

receiving sensibility of the BTS systemimproves uplink and downlink imbalancethe transmitting power of cellphones, imquality.

Features

High linearity and low noise performancBalanced LNA design and power failureLight weight and compact design.Wall mounting and mast mounting.

Appearance And Block Diagram

Built-in lightning protection up to 10 kASupport AISG1.1 and AISG2.0 protoco

DTMA) is a low-noise amplifier installedhe signal-to-noise ratio and enhance the. It enhances the uplink coverage andof the base station. It effectively reduces

mproves voice and data communication

ce.e bypass for high reliability.

.l.

1

DTMA2100 Double Dual DuMounted Amplifier Datashe

Tx Specif

Technical Specifications

Frequency range (MHz)Bandwidth (MHz)Insertion loss* (dB)Return loss (dB)Group delay variationInput power (W)Intermodulation products in Rx band (dBm)Intermodulation products in Rx band (dBm)

Rx SpecFrequency range (MHz)Bandwidth (MHz)Return loss (dB)Insertion loss in by-pass mode (dB)Gain (dB)( )Noise figure** (dB) (+22 ℃ to +28 ℃) Output 1dB compression (dBm)OIP3 (dBm)Group delay variation

Electrical Sp

DC supply voltage (V)

Operating current per TMA (without RET) (mA)Alarm management (mA)Power consumption (W)

EnvironmentaOperating temperature range (℃)IP ratingMTBF (hours)EMCLightning protection (kA)

Mechanical SRF connectors

8 i fAISG connector 8-pin femRS485B

MountingWeight (kg)Mast diameter (mm)Dimensions (H x W x D) (mm) 287 x

*I ti lILIL2ILIL 1880MHz1842.5MHz1805MHz +×+

*Insertion loss:

**Noise figure:

4IL =

4NFNF2NFNF 1781747.5MHz1710MHz +×+

=

uplex Tower eetfications

1805 - 188075

Avg. < 0.4≥ 18

< 45 ns @ 5 MHz< 160 (+52 dBm) CW / < 1600 (+62 dBm) peak

≤ 117 (2 TX carriers at +43 dBm)≤ -117 (2 TX carriers at +43 dBm)

ifications1710 - 1785

75≥ 18 (DC ON) / ≥ 13 (DC OFF)

Typ. < 2.8 (DC OFF)12 ±1

Avg. < 1.5≥ 12> 25

< 45 ns @ 5 MHz

pecificationsCWA Mode AISG Mode

9 - 15 9 - 30

100 - 290 50 - 450310 - 670 AISG

< 5

al Specification-40 to +65

IP67> 1,000,000

ETS 300 342-310 (8/20 us)

Specification4 x 7/16 female

l IEC 60130 9 ( i 1 & i 6 9V 30V DC i 3male, IEC 60130-9 (pin1 & pin6: 9V - 30V DC, pin3:, pin5: RS485A, pin7: DC return, other pins: not connected)

Wall mounting / Mast mounting≤ 5.8

30 - 125187 x 83 (without connectors, without mounting brackets)

2

5MHz

Mechanical

Huawei Technologies Co., Ltd. Bantian, Longgang Dis

All data published in previous issues hereby becomes invalid. 3

strict, Shenzhen 518129, P.R.China www.huawei.com

Issue: 2011-03-30