-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LnaEq61tAIAU/42IpAtd7n0HA6tneixyATYxcuFf6DlTvcBqIqJqsUzyTk7+ocX9
 f/4WrhxSb4Upkw1rOt/g6w==

<SEC-DOCUMENT>0001181431-06-061054.txt : 20061101
<SEC-HEADER>0001181431-06-061054.hdr.sgml : 20061101
<ACCEPTANCE-DATETIME>20061101194142
ACCESSION NUMBER:		0001181431-06-061054
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061030
FILED AS OF DATE:		20061101
DATE AS OF CHANGE:		20061101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAE SYSTEMS INC
		CENTRAL INDEX KEY:			0001084876
		STANDARD INDUSTRIAL CLASSIFICATION:	MEASURING & CONTROLLING DEVICES, NEC [3829]
		IRS NUMBER:				770588488
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3775 NORTH FIRST STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		408-952-8200

	MAIL ADDRESS:	
		STREET 1:		3775 NORTH FIRST STREET
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NETTAXI INC
		DATE OF NAME CHANGE:	19990422

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GAUSMAN RANDALL K
		CENTRAL INDEX KEY:			0001232026

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31783
		FILM NUMBER:		061180383

	BUSINESS ADDRESS:	
		STREET 1:		5200 FRANKLIN DRIVE, SUITE 100
		CITY:			PLEASANTON
		STATE:			CA
		ZIP:			94588
		BUSINESS PHONE:		971-217-0400

	MAIL ADDRESS:	
		STREET 1:		6000 SW MEADOWS ROAD
		STREET 2:		SUITE 200
		CITY:			LAKE OSWEGO
		STATE:			OR
		ZIP:			97035
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd134747.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-10-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001084876</issuerCik>
        <issuerName>RAE SYSTEMS INC</issuerName>
        <issuerTradingSymbol>AMEX: RAE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232026</rptOwnerCik>
            <rptOwnerName>GAUSMAN RANDALL K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RAE SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>3775 NORTH FIRST STREET</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Options (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.86</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-10-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.86</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2007-10-30</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-10-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests as to 1/4 of the shares on October 30, 2007 (the &quot;Initial Vest Date&quot;), provided the Optionee's service has not terminated prior to such date, plus 1/48th for each full month of the Optionee's service from the Initial Vesting Date until fully vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michael Ownby, Attorney-in-Fact</signatureName>
        <signatureDate>2006-11-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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