Telit Wireless Solutions UC864 manual Antenna Requirements

Page 26

UC864-E Hardware User Guide

1vv0300766a Rev.1 - 31/01/08

6 Antenna

The antenna connection and board layout design are the most important part in the full product design and they strongly reflect on the product overall performances, hence read carefully and follow the requirements and the guidelines for a proper design.

6.1Antenna Requirements

As suggested on the Product Description the antenna for a Telit UC864-E device shall fulfill the following requirements:

 

 

ANTENNA REQUIREMENTS

 

 

 

 

 

Frequency range

 

Depending by frequency band(s) provided by the

 

 

 

network operator, the customer shall use the

 

 

 

most suitable antenna for that/those band(s)

 

Bandwidth

 

70 MHz in GSM850, 80 MHz in GSM900, 170

 

 

 

MHz in DCS & 140 MHz PCS

 

 

 

250 MHz in WCDMA2100 band

 

Gain

 

Gain < 3dBi

 

Impedance

 

50 ohm

 

Input power

 

> 33dBm(2 W) peak power in GSM

>24dBm Average power in WCDMA2100 VSWR absolute max <= 10:1

VSWR

<= 2:1

recommended

 

Furthermore if the device is developed for the US market and/or Canada market, it shall comply with the FCC and/or IC approval requirements:

This device is to be used only for mobile and fixed applications. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. OEM integrators must ensure that the end user has no manual instructions to remove or install the UC864-E module. Antennas used for this OEM module must not exceed 3dBi gain for mobile and fixed operating configurations.

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

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Contents UC864 Hardware User Guide UC864-E Hardware User Guide This document is relating to the following productsContents 11.1 10.310.4 11.2Disclaimer Overview Mechanical Dimensions Length 36.2 mm Width 30 mm Thickness 8mmUC864-E module connections PIN-OUTCmos Reserved 1 UC864-E Antenna connector Pin Signal FunctionHardware Commands Turning on the UC864-E10k Turning OFF the UC864-E Hardware shutdownHardware Unconditional Restart 10k +1.8 Power Supply Power Supply RequirementsUC864-E Hardware User Guide General Design Rules Electrical Design Guidelines1.2 + 12V input Source Power Supply Design Guidelines UC864-E Hardware User Guide Battery Source Power Supply Design Guidelines UC864-E Hardware User Guide Thermal Design Guidelines Power Supply PCB layout Guidelines Antenna Antenna RequirementsAntenna Installation Guidelines Operating Range Interface levels Logic level specificationsAbsolute Maximum Ratings -Not Functional Operating Range Interface levels 1.8V CmosReset signal Serial Ports Absolute Maximum Ratings Not FunctionalSignals of the UC864-E serial port are RS232 level translation UC864-E Hardware User Guide UC864-E Hardware User Guide 5V Uart level translation UC864-E Hardware User Guide USB Port Communication ports combinationsDefinitions Audio Section OverviewGenerality SelectionElectrical Characteristics Input lines microphoneOutput lines speaker EarMT BuffersGeneral Purpose I/O NotLogic level specifications Using the Alarm Output GPIO6 Using a Gpio Pad as InputUsing a Gpio Pad as Output Using the Buzzer Output GPIO7 Indication of network service availability LED status Device StatusRTC Bypass out VAUX1 power outputOperating Range VAUX1 power supply Mounting UC864-E on your board Debug of the UC864-E in production USB Vbus UsbidConformity Assessment Issues Safety Recommandations Document Change Log Revision Date Changes
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