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<!-- Round: 13055468-a3e9-4dfd-af73-1c82dbe3f361 -->
<!-- Creation date: 2013-08-07T17:13:42Z -->
<!-- Copyright (c) 2005-2013 R.R. Donnelley &amp; Sons Company All Rights Reserved. -->
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        <link:definition>124 - Disclosure - Balance Sheet Details - Summary of Marketable Securities Available-for-Sale (Detail)</link:definition>
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        <link:definition>134 - Disclosure - Fair Value Measurement of Assets and Liabilities - Summary of Company's Financial Instrument, Fair Value on a Recurring Basis (Detail)</link:definition>
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        <link:definition>136 - Disclosure - Segment Information and Concentrations of Risk - Schedule of Net Revenues, Operating Loss and Identifiable Assets of Segments (Detail)</link:definition>
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        <link:definition>139 - Disclosure - Segment Information and Concentrations of Risk - Additional Information (Detail)</link:definition>
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  <import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/>
  <element name="AcquiredIntangibleAssetsAccumulatedAmortization" id="nvtl_AcquiredIntangibleAssetsAccumulatedAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizationExpenseMember" id="nvtl_AmortizationExpenseMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AmortizedCostAndFairValueDebtSecuritiesAbstract" id="nvtl_AmortizedCostAndFairValueDebtSecuritiesAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AsiaCountriesMember" id="nvtl_AsiaCountriesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="AvailableforsaleSecuritiesGrossUnrealizedGainLossAccumulatedInAoci" id="nvtl_AvailableforsaleSecuritiesGrossUnrealizedGainLossAccumulatedInAoci" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="BalanceSheetDetailsLineItems" id="nvtl_BalanceSheetDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CashPaidDuringYearAbstract" id="nvtl_CashPaidDuringYearAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CorporateDebenturesBondsMember" id="nvtl_CorporateDebenturesBondsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerOneMember" id="nvtl_CustomerOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="CustomerTwoMember" id="nvtl_CustomerTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="DocumentDocumentAndEntityInformationAbstract" id="nvtl_DocumentDocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EuropeCountriesMember" id="nvtl_EuropeCountriesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EuropeLatinAmericaAndAsiaMember" id="nvtl_EuropeLatinAmericaAndAsiaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" id="nvtl_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="FiniteLivedIntangibleAssetsImpairmentLosses" id="nvtl_FiniteLivedIntangibleAssetsImpairmentLosses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="GainLossOnSaleOfFixedAssets" id="nvtl_GainLossOnSaleOfFixedAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IntangibleAssetsImpairedAccumulatedImpairmentLoss" id="nvtl_IntangibleAssetsImpairedAccumulatedImpairmentLoss" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InterestExpenseRelatedToUncertainTaxPositions" id="nvtl_InterestExpenseRelatedToUncertainTaxPositions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="InvestmentsSecuritiesInUnrealizedLossPositionForContinuousTwelveMonthPeriodOrLongerBookValue" id="nvtl_InvestmentsSecuritiesInUnrealizedLossPositionForContinuousTwelveMonthPeriodOrLongerBookValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LongTermMarketableSecuritiesMember" id="nvtl_LongTermMarketableSecuritiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketableSecuritiesHeldAtBank" id="nvtl_MarketableSecuritiesHeldAtBank" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketableSecuritiesMaturityInYears" id="nvtl_MarketableSecuritiesMaturityInYears" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MarketDevelopmentFundAndPriceProtection" id="nvtl_MarketDevelopmentFundAndPriceProtection" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="MobileComputingProductsMember" id="nvtl_MobileComputingProductsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NonCashIncomeTaxExpenseBenefit" id="nvtl_NonCashIncomeTaxExpenseBenefit" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProductWarrantyCoveragePeriod" id="nvtl_ProductWarrantyCoveragePeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PurchasedIntangibleAssetAmortizationExpenseClassificationTableTextBlock" id="nvtl_PurchasedIntangibleAssetAmortizationExpenseClassificationTableTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevenueFromExternalCustomersByGeographicRegion" id="nvtl_RevenueFromExternalCustomersByGeographicRegion" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfBalanceSheetDetailsTable" id="nvtl_ScheduleOfBalanceSheetDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
  <element name="SeptemberEighteenthTwoThousandEightMember" id="nvtl_SeptemberEighteenthTwoThousandEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeptemberFifteenthTwoThousandEightMember" id="nvtl_SeptemberFifteenthTwoThousandEightMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeptemberTwentyFourthTwoThousandTenMember" id="nvtl_SeptemberTwentyFourthTwoThousandTenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ShortTermMarketableSecuritiesMember" id="nvtl_ShortTermMarketableSecuritiesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UncertainIncomeTaxPositionUnrecognized" id="nvtl_UncertainIncomeTaxPositionUnrecognized" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="UnitedStatesAndCanadaMember" id="nvtl_UnitedStatesAndCanadaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
</schema>
