FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   SIERRA WIRELESS INC 2. Date of Event Requiring Statement (Month/Day/Year) 08/02/2017 3. Issuer Name and Ticker or Trading Symbol NUMEREX CORP /PA/ [NMRX] (Last) (First) (Middle) 13811 WIRELESS WAY 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) See Footnote 2 and 3 below 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) RICHMOND, BRITISH COLUMBIA, Z4 V6V 3A4 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Class A Common Stock, no par value 0 (1) (2) (3) (4) I See Footnotes (1) (2) (3) (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SIERRA WIRELESS INC 13811 WIRELESS WAY RICHMOND, BRITISH COLUMBIA, Z4 V6V 3A4	Â	  X	Â	See Footnote 2 and 3 below

Signatures

/s/ David G. McLennan, Chief Financial Officer and Secretary		08/11/2017
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On August 2, 2017, Sierra Wireless, Wireless Acquisition Sub, Inc., a Delaware corporation and direct, wholly-owned subsidiary of Sierra Wireless ("Merger Sub"), and Issuer entered into an Agreement and Plan of Merger (the "Merger Agreement"), pursuant to which Merger Sub will merge with and into the Issuer, with Issuer surviving as a wholly-owned subsidiary of Sierra Wireless (the "Merger").
(2)	Sierra Wireless, Inc. ("Sierra Wireless") may be deemed to have beneficial ownership of 5,354,097 shares of Class A Common Stock, no par value, of the Issuer (the "Shares") held by (i) Gwynedd Resources, Ltd., (ii) VIEX Opportunities Fund, LP - Series One, VIEX GP, LLC, VIEX Special Opportunities Fund II, LP, VIEX Special Opportunities GP II, LLC, VIEX Special Opportunities Fund III, LP, VIEX Special Opportunities GP III, LLC, VIEX Capital Advisors, LLC and Eric Singer, (iii) Tony G. Holcombe, (iv) Stratton J. Nicolaides and (v) Andrew J. Ryan (each of the foregoing, a "Shareholder," and together, the "Shareholders") as a result of entering into voting agreements (the "Voting Agreements"), dated as of August 2, 2017, with each Shareholder. A copy of the form of Voting Agreement that Sierra Wireless entered into with each Shareholder was filed as an exhibit to Sierra Wireless' Current Report on Form 6-K filed on August 3, 2017.
(3)	(continued from Footnote 2)The Voting Agreements generally require, subject to certain exceptions, such Shareholders to vote, or cause or direct to be voted, all of the Shares beneficially owned by the Shareholders to approve and adopt the Merger Agreement and the Merger and against any acquisition proposal or any other action, agreement or transaction that would reasonably be expected to impede or delay the Merger. Each Shareholder also agreed to certain transfer restrictions with respect to the Shares held by such Shareholder. Each Shareholder also agreed to certain transfer restrictions with respect to the Shares held by such Shareholder. Neither the filing of this Form 3 nor any of its contents shall be deemed to constitute an admission by Sierra Wireless that it is the beneficial owner of the Shares referred to herein and such beneficial ownership is expressly denied.
(4)	Sierra Wireless does not have any pecuniary interest in any of the Shares.

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