FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * Sandberg David   2. Issuer Name and Ticker or Trading Symbol R F INDUSTRIES LTD [RFIL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 304 PARK AVE SOUTH, 11TH FLOOR 3. Date of Earliest Transaction (Month/Day/Year) 03/18/2013 (Street) NEW YORK, NY 10010 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/18/2013   S(6)   34,583 D $ 6.279 (4) 55,544 I By The Red Oak Fund, L.P. (1) (3) Common Stock 03/18/2013   S(6)   23,152 D $ 6.279 (4) 37,328 I By Pinnacle Fund, LLLP (2) (3) Common Stock 03/19/2013   S(6)   11,979 D $ 6.145 (5) 43,565 I By The Red Oak Fund, L.P. (1) (3) Common Stock 03/19/2013   S(6)   8,021 D $ 6.145 (5) 29,307 I By Pinnacle Fund, LLLP (2) (3)

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

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$ 4.12

08/30/2012

08/30/2017

Common Stock

1,911

1,911

D (7)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sandberg David 304 PARK AVE SOUTH 11TH FLOOR NEW YORK, NY 10010	X

Signatures

David Sandberg		03/20/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	Red Oak Partners, LLC ("ROP") serves as the general partner of The Red Oak Fund, LP, a Delaware limited partnership (the "Fund"), the direct owner of the subject securities. David Sandberg is the managing member of ROP and the Fund's portfolio manager.
(2)	ROP serves as a managing member of Pinnacle Partners, LLC, a Colorado limited liability limited company ("Pinnacle Partners"). Pinnacle Partners is the general partner of Pinnacle Fund, LLLP, a Colorado limited liability limited partnership ("Pinnacle Fund"), the direct owner of the subject securities.
(3)	Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the shares for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose.
(4)	This transaction was executed in multiple trades at prices ranging from $6.15 to $6.39. The price reported in Column 4 of Table I reflects the weighted average sales price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which each of the individual transactions was effected.
(5)	This transaction was executed in multiple trades at prices ranging from $6.10 to $6.20. The price reported in Column 4 of Table I reflects the weighted average sales price. The reporting persons hereby undertake to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which each of the individual transactions was effected.
(6)	Open market transactions pursuant to a 10b5-1 trading plan adopted by the Reporting Person in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended.
(7)	Stock option granted to Mr. Sandberg in his capacity as a non-employee director (i.e. a director who is not employed by the Issuer as an officer or employee).

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