CalAmp 520038 Ecco Mustang PCS Amplifier User Manual 353859

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Document ID	353859
Application ID	n/9zbHs6SYzHT52IEDmL/A==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Microsoft Word - pdf
Filesize	8.85kB (110604 bits)
Date Submitted	2003-09-05 00:00:00
Date Available	2003-09-04 00:00:00
Creation Date	2003-09-08 15:42:18
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2003-09-08 15:42:18
Document Title	Microsoft Word - 353859.DOC
Document Creator	PScript5.dll Version 5.2
Document Author:	fcc

ECCOTM
Consumer Electronic Repeater
June 15, 2003
CONFIDENTIAL INFORMATION
Introduction
California Amplifier’s Consumer Electronic Repeater, called “Ecco”, is a compact,
cost-effective, consumer repeater product designed to complement PCS wireless
infrastructure. This product enhances in-building PCS coverage on a trouble-spot
basis, to multiple simultaneous users. EccoTM is transparent to the network
because it enhances coverage without the use of additional frequencies,
alleviating complex frequency planning. By employing various patent pending
technologies, California Amplifier has integrated this functionality into a single,
self-contained device. Since Ecco requires no mounting hardware or difficult
installation for use, it is perfectly suited for consumer deployment in a residence,
SOHO or other in-building application.
Ecco is targeted for use by PCS carriers and may either be provided or sold to
PCS customers, the end user. Ecco provides an affordable solution to decrease
customer voluntary churn caused by spotty coverage and also increase revenue
potential by providing cost-effective and reliable in-building coverage.
Additionally, Ecco provides an opportunity to attack the landline replacement
market using wireless, by enhancing availability and reliability of the wireless link
in residences.
Product Operation
Ecco incorporates a high gain antenna that is intended to be directed toward
signal paths to / from the base station (called “Donor Antenna”), and a second
high gain antenna that is intended to be directed towards the interior of the
service location (called “Server Antenna”). Ecco contains electronics that amplify
signals between these antennas, in the specific channel block of interest. The
design and packaging of the two antennas in Ecco have been optimized to
maximize their isolation, thus accommodating a high gain electronic amplifier.
In order to aid the consumer in orienting the device to optimize signal paths to /
from the base station, Ecco has visual status indicators. These indicators inform
a user that the device is receiving sufficient PCS RF signal to provide
enhancement, and an indication of the strength of that signal. The display also
provides visual indication if a PCS RF signal does not exist or if the quality of the
signal received is too poor for Ecco to enhance coverage.
Ecco employs an adaptive gain control algorithm which continually and
automatically optimizes the gain based on a variety of conditions related to the
ever-changing surrounding RF environment. This adaptive approach simplifies
the product's placement and also eliminates any ongoing need for monitoring,
adjustment or reconfiguration by the customer.
Ecco has a “Power” button, which toggles the unit on and off. It also has a “Band
Select” button which allows the user to select the desired PCS frequency block,
CONFIDENTIAL INFORMATION
Page 2 of 3
based on licenses in a given market. The selection of a specific frequency block
balances the desire to boost performance, simplify device placement by the
consumer, and provide a single standardized product that can be used nationally.
The “Band Selection” provides seven settings, corresponding to blocks A through
F, where the B block is divided into two pieces. Ecco understands that the A-C
channel blocks are 15 MHz wide and the D – F blocks are 5 MHz wide, and filters
the signals accordingly.
EccoTM hides the sophistication of its functions with advanced self-diagnostic
software, thus providing a simple to use, consumer product. Ecco is equipped
with self-diagnostics designed to detect a variety of problem conditions, including
oscillation (typically due to feedback of signals between the antennas),
overdriving the unit (typically due to use of the unit too close to a base station or
use of a handset too close to Ecco), and general device failure. Under these and
other error conditions, Ecco automatically attempts to correct the problem by
adjusting various internal functional controls. If the unit is unable to resolve the
error condition, it renders itself inoperable, but allows the consumer to diagnose
the problem through the use of displayed error codes.
Ecco continuously detects the presence of PCS signal and shuts the power
amplifiers off in the absence of signal. This function helps the overall system
performance by reducing the aggregated system noise floor.
Product Appearance
The dimensions of Ecco are approximately 7.4” x 8.2” x 3.0” (width, height,
depth) and it weighs approximately 2 pounds without batteries. This size is
primarily dictated by the isolation requirements between the Server and Donor
Antennas. Ecco is designed to blend into any home or office with an aesthetically
pleasing look comparable to today’s small consumer electronic equipment.
Ecco LED Panel View
CONFIDENTIAL INFORMATION
Page 3 of 3

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