®

Overview

Westell’s Twin Variable Gain AWS Full Band Tower Mounted Amplifier (TMA) with an AISG connector is an ideal solution for optimizing LTE cell site performance by improving base station receiver sensitivity. With the TTMAV-AWS, operators will see fewer failed connection attempts, fewer context drops, expanded coverage area (critical for VoLTE), and increased uplink data throughput; all in a ultra-compact, highly-reliable, and cost-effective package that supports one full sector. To support all types of deployment environments, the gain of the TTMAV-AWS can be set in 1 dB increments from 3 dB to 13 dB using AISG 2.0. The AISG connector on the bottom of the unit allow operators to control RET antennas via a jumper cable from the TMA to the antenna, thus improving reliability and reducing cabling costs.

TTMAV-AWS Tower Mounted AmplifierTwin Variable Gain AWS Full Band TMA with AISG Connector

1409IARA

• Advanced, balanced LNA design

◦ Variable Gain 3-13 dB with 1 dB granularity

◦ Automatic LNA bypass ensures network availability

• Superior performance, with one of the lowest noise figures in the industry

◦ 1.15 dB at 13 dB gain

• High receive isolation

◦ Greater than 90 dB

• Supports full 45 MHz AWS frequency band for both receive and transmit

• Supports both AISG 2.0 and Current Window Alarming (CWA)

◦ AISG connector for RET control

◦ Includes AISG 2.0 software download

• Twin configuration supports one full sector in a single, ultra-compact enclosure

• Highly-reliable design with MTBF of over 2.5 million hours

Product Highlights

Block Diagram

BTSANTENNA

Tx BPFBias‐T

Control, Bias & Alarm Electronics

Ligh

tnin

gP

rote

ctio

n

AISGCONNECTOR

Pre‐

LNARX BPF

Post‐

LNARX BPF

BTSANTENNA

Tx BPFBias‐T

Control, Bias & Alarm Electronics

Ligh

tnin

gP

rote

ctio

n

Post‐LNA

RX BPFPre‐LNA

RX BPF

Front Sub‐Unit Back Sub‐Unit

RF Bypass & switches RF Bypass & switches

Balanced, variable gain,low‐noise amplifier

Balanced, variable gain,low‐noise amplifier

Product SpecificationsTTMAV-AWS Twin Variable Gain AWS Full Band TMA with AISG Connector

1409IARA

Ordering Information

Part Number DescriptionA90-TTMAV-AWS Dual duplex, twin, full band AWS TMA

with AISG 2.0 controlled variable gain and an AISG connector

All values are typical. All specifications are subject to change without notice.

Tx (per RF path)Frequency Band 2110-2155 MHzInsertion Loss 0.35 dBReturn Loss > 18 dBPower Handling (CW / PIP) 500 W / 5 kWPassive Intermodulation -115 dBmTotal Group Delay (max.) 16 nSecElectrical (per RF path)Power Consumption 180 mA @ 12 VDC

Surge Protection: DC path 8/20 us 10 kA pulse arrester 75 V, and 1.5 kW TVS 33 V

Lightning Protection Internal shorted stubsReverse DC Voltage Protection -30 VDCCommunication and Control

Protocol / Alarms Automatic Detection - AISG 2.0 or Current Window Alarm

AISG Connector AISG 8-pin IEC 60130-9 Female

MechanicalSize, approx. (H x W x D) 5.0” x 6.7” x 6.6”Weight 14.5 lbsColor Off-whiteConnectors: RF Long Neck 7/16 DIN Female

Mounting Pedestal, Pole, Wall; Mount-ing bracket provided

Weather Rating (IEC 60529) IP67Temperature Range -40°C to +65°C

®Inside Sales / Support:800.377.8766

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Westell is a registered trademark of Westell, Inc. Availability of features and specifications subject to change without notice. This document is the property of Westell, Inc. and its contents are proprietary and may neither be copied, reproduced nor its contents disclosed to others without prior written agreement from Westell.

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Copyright 2014 Westell, Inc. All rights reserved.

Rx (per RF path)Frequency 1710-1755 MHz

Noise Figure

@Gain (dB) NF13 1.1512 1.1911 1.2510 1.319 1.408 1.507 1.626 1.775 1.964 2.183 2.44

Return Loss (active mode) > 18 dBReturn Loss (bypass mode) > 16 dBOutput 3rd Order Intercept Point +27 dBmBypass Insertion Loss 1.2 dBTotal Group Delay (max.) 42 nSec

5.00" 8.06"

Front View Side View

7.00" 6.65"

Bottom View6.57"

All values are typical. All specifications are subject to change without notice.