EFJI Efjohnson Technologies, (MM)

CUSIP No. 26843B101



1. NAME OF REPORTING PERSONS

 HEARTLAND ADVISORS, INC.

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

 (a) [ ]
 (b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

 WISCONSIN, U.S.A.

-------------------------------------------------------------------
NUMBER OF 5. SOLE VOTING POWER
SHARES BENEFICIALLY
OWNED BY None
EACH
REPORTING 6. SHARED VOTING POWER
PERSON
WITH 134,562

 7. SOLE DISPOSITIVE POWER

 None

 8. SHARED DISPOSITIVE POWER

 134,562
-------------------------------------------------------------------

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 134,562

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES ____


11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 0.5%

12. TYPE OF REPORTING PERSON

 IA


CUSIP No. 26843B101


1. NAME OF REPORTING PERSONS

 WILLIAM J. NASGOVITZ

2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

 (a) [ ]
 (b) [ ]

3. SEC USE ONLY

4. CITIZENSHIP OR PLACE OF ORGANIZATION

 U.S.A.

-------------------------------------------------------------------
NUMBER OF 5. SOLE VOTING POWER
SHARES BENEFICIALLY
OWNED BY None
EACH
REPORTING 6. SHARED VOTING POWER
PERSON
WITH 134,562

 7. SOLE DISPOSITIVE POWER

 None

 8. SHARED DISPOSITIVE POWER

 134,562
-------------------------------------------------------------------

9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

 134,562

10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES


11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

 0.5%

12. TYPE OF REPORTING PERSON

 IN


Item 1.
 (a) Name of Issuer: EF JOHNSON TECHNOLOGIES, INC.


 (b) Address of Issuer's Principal Executive Offices:
 1440 Corporate Drive
 Irving, Texas 75038

Item 2.
 (a) Names of Persons Filing: (1) Heartland Advisors, Inc.

 (2) William J. Nasgovitz

 (b) Address of Principal Business Office:

 All reporting persons may be contacted at 789 North Water
 Street, Milwaukee, WI 53202

(c) Citizenship or Place of Organization: Heartland Advisors is a
 Wisconsin corporation. William J. Nasgovitz is a United
 States citizen.

 (d) Title of Class of Securities: Common Stock

 (e) CUSIP Number: 26843B101

Item 3.

If this statement is filed pursuant to Sections 240.13d-1(b) or 240.13d-2(b)
or (c), check whether the person filing is a:

(a)[ ] Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);

(b)[ ] Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)[ ] Insurance company as defined in Section 3(a)(19) of the Act
(15 U.S.C. 78c);

(d)[ ] Investment company registered under Section 8 of the Investment
Company Act of 1940(15 U.S.C. 80a-8);

(e)[X]* An investment adviser in accordance with Section 240.13d-1(b)(1)(ii)(E);

(f)[ ] An employee benefit plan or endowment fund in accordance with
Section 240.13d-1(b)(1)(ii)(F);

(g)[X]* A parent holding company or control person in accordance with
Section 240.13d-1(b)(1)(ii)(G);

(h)[ ] A savings association as defined in Section 3(b) of the Federal
Deposit Insurance Act (12 U.S.C. 1813);

(i)[ ] A church plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the Investment Company Act
of 1940(15 U.S.C. 80a-3);

(j)[ ] A non-U.S. institution in accordance with Section 240.13d-1(b)(1)(ii)(J);

(k)[ ] Group, in accordance with Section 240.13d-1(b)(1)(ii)(K).

* The persons filing this Schedule 13G are Heartland Advisors, Inc.,
an investment adviser registered with the SEC, and William J. Nasgovitz,
President and control person of Heartland Advisors, Inc. The reporting
persons do not admit that they constitute a group.

Item 4. Ownership.

For information on ownership, voting and dispositive power with
respect to the above listed shares, see Items 5-9 of the Cover Pages.

Item 5. Ownership of Five Percent or Less of a Class.

 If this statement is being filed to report the fact that as
of the date hereof the reporting person has ceased to be the beneficial
owner of more than five percent of the class of securities, check the
following: [ X ]

Item 6. Ownership of more than Five Percent on Behalf of Another Person.

 Not Applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired
 the Security Being Reported on By the Parent Holding Company.

 Not Applicable.

Item 8. Identification and Classification of Members of the Group.

 Not Applicable.

Item 9. Notice of Dissolution of Group.

 Not Applicable.

Item 10. Certification.

 By signing below, the undersigned certify that, to the best of
their knowledge and belief, the securities referred to above were acquired
and are held in the ordinary course of business and were not acquired and
are not held for the purpose of or with the effect of changing or influencing
the control of the issuer of the securities and were not acquired and are not
held in connection with or as a participant in any transaction having that
purpose or effect.

 SIGNATURE

After reasonable inquiry and to the best of their knowledge and belief,
the undersigned certify that the information set forth in this statement
is true, complete and correct.

DATE: July 9, 2010

WILLIAM J. NASGOVITZ HEARTLAND ADVISORS, INC.

By: /s/ PAUL T. BESTE By: /s/ PAUL T. BESTE
 Paul T. Beste Paul T. Beste
 As Attorney in Fact for Chief Operating Officer
 William J. Nasgovitz
 (Pursuant to Power of Attorney Previously Filed)


EXHIBIT INDEX

 Exhibit 1 Joint Filing Agreement


EXHIBIT 1
 Joint Filing Agreement


In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act
of 1934, as amended, each of the undersigned hereby agrees to the joint
filing with the other reporting person of a statement on Schedule 13G
(including amendments thereto) with respect to the common stock,
$0.01 par value, of EF JOHNSON TECHNOLOGIES, INC. and that this
Agreement be included as an Exhibit to such joint filing.
IN WITNESS WHEREOF, the undersigned hereby execute this Agreement
this 9th day of July, 2010.


WILLIAM J. NASGOVITZ

By: /s/ PAUL T. BESTE
 Paul T. Beste
 As Attorney in Fact for William J. Nasgovitz
 (Pursuant to Power of Attorney Previously Filed)




HEARTLAND ADVISORS, INC.


By: /s/ PAUL T. BESTE
 Paul T. Beste
 Chief Operating Officer