Queclink GVXXX-Series User manual
MicrophoneUserGuide
Document Title Microphone User Guide
Version 1.00
Date 2012-02-28
Status Release
Document Control ID ACCEAM100UG001
General Notes
Queclink offers this information as a service to its customers, to support application and
engineering efforts that use the products designed by Queclink. The information provided is
based upon requirements specifically provided to Queclink by the customers. Queclink has
not undertaken any independent search for additional relevant information, including any
information that may be in the customer’s possession. Furthermore, system validation of this
product designed by Queclink within a larger electronic system remains the responsibility of
the customer or the customer’s system integrator. All specifications supplied herein are
subject to change.
Copyright
This document contains proprietary technical information which is the property of Queclink
Limited. The copying of this document, distribution to others, and communication of the
contents thereof, are forbidden without express authority. Offenders are liable to the payment
of damages. All rights are reserved in the event of a patent grant or registration of a utility
model or design. All specification supplied herein are subject to change without notice at any
time.
Copyright © Queclink Wireless Solutions Co., Ltd. 2012
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Contents
Contents ............................................................................................................................................2
0. Revision history ............................................................................................................................3
1. General Description ......................................................................................................................4
2. Product Specification ....................................................................................................................5
2.1. Basic Specification..............................................................................................................5
2.2. Frequency Response............................................................................................................5
3. Installation.....................................................................................................................................6
3.1. Interface Description ...........................................................................................................6
3.2. Installation Example............................................................................................................6
4. Product Outside View ...................................................................................................................8
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0. Revision history
Revision Date Author Description of change
1.00 2012-2-28 Leo Lei Initial
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1. General Description
The AM100 is a microphone with 2 meter long wire, which designed specifically for
GVXXX-series.
The Hands-free kit (include speaker and MIC) enables a Voice Call between
GVXXX-series device and Control Center (or other Voice communications
equipment). Used for both fleet management purposes, or for personal security (in
case of kidnapping, for example, the Control Center can connect to the kit and hear
what happens inside the vehicle).
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2. Product Specification
2.1. Basic Specification
NO. ITEM SPECIFICATION
1 Standard Operating Voltage 4.5V
2 Output Impedance(f=1KHz, 1Pa) 2.2KΩ
3 Current Consumption 150uA ~ 450uA
4 Sensitivity(0dB=1v/Pa)
At 1KHz/2.2KΩ/2V
-42±3dB
5 Decreasing Voltage
Characteristic(2.0V~1.5V)
-3 dB
6 S/N Ratio ≥50 dB
7 Wire Length 200±3cm
8 Terminal NO
2.2. Frequency Response
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3. Installation
3.1. Interface Description
There are 2 wires on microphone, the description of the wires and sample connection
between microphone and GV300 are showed as follow:
Microphone Connection GV300
PIN No. Color Description ←→ PIN No. Color
1 Red MIC Positive ←→ 1 Gray
2 Golden MIC Negative ←→ 2 Gray/Black
3.2. Installation Example
Device Connection Sample
GVXXX Device
AM100
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Detail Description
3. MIC Negative
2. MIC Positive
2. AGND
1. MICP
AM100
GVXXX Device
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4. Product Outside View
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