LZ6A4000SERIESIndustrial Crane Remote Controler

American Telecommunications Certification Body Inc. 6731 Whittier Ave, McLean, VA 22101 August 24, 2006 RE: Fomotech International FCC ID: LZ6A4000SERIES I have a few comments on this Application. Depending on your responses, kindly understand there may be additional comments. The timing requirements under section 15.231 are quite strict. There are several questions which I need to follow up on before I can qualify this device under this specific Rule. 1.) Can any of the push buttons be locked into a continuously-on transmitting mode? 2.) Please refer to the Operational Description. “Order 13” seems to indicate that the transmitter board will send signal continuously. This is in violation of 15.231(a). 3.) Section 1.1.2 of the same Operational Description appears to indicate the transmitter will transmit continuously every 100msec, or every 250msec if the system is 2 nd stage intermittent transmitting. This appears to be in violation of 15.231(a)(3). 4.) Section 1.1.3 also appears to be in violation of 15.231(a)(3). For your convenience, I am also including the text of 15.231(below). § 15.231 Periodic operation in the band 40.66–40.70 MHz and above 70 MHz. (a) The provisions of this section are restricted to periodic operation within the band 40.66–40.70 MHz and above 70 MHz. Except as shown in paragraph (e) of this section, the intentional radiator is restricted to the transmission of a control signal such as those used with alarm systems, door openers, remote switches, etc. Continuous transmissions, voice, video and the radio control of toys are not permitted. Data is permitted to be sent with a control signal. The following conditions shall be met to comply with the provisions for this periodic operation: (1) A manually operated transmitter shall employ a switch that will automatically deactivate the transmitter within not more than 5 seconds of being released. (2) A transmitter activated automatically shall cease transmission within 5 seconds after activation. (3) Periodic transmissions at regular predetermined intervals are not permitted. However, polling or supervision transmissions, including data, to determine system integrity of transmitters used in security or safety applications are allowed if the total duration of transmissions does not exceed more than two seconds per hour for each transmitter. There is no limit on the number of individual transmissions, provided the total transmission time does not exceed two seconds per hour. William H. Graff President and Director of Engineering mailto: [email protected] The items indicated above must be submitted before processing can continue on the above referenced application. Failure to provide the requested information may result in application termination. z Page 2 August 24, 2006 Correspondence should be considered part of the permanent submission and may be viewed from the Internet after a Grant of Equipment Authorization is issued. Please do not respond to this correspondence using the email reply button. In order for your response to be processed expeditiously, you must submit your documents through the AmericanTCB.com website. Also, please note that partial responses increase processing time and should not be submitted. Any questions about the content of this correspondence should be directed to the sender.

1 William Graff From: Generic Office of Engineering Technology [[email protected]] Sent: Wednesday, August 30, 2006 9:21 PM To: [email protected] Subject: Response to Inquiry to FCC (Tracking Number 413668) Inquiry: Gentlemen - I have a filing for a 15.231 industrial remote control used exclusively with overhead cranes. It has an Emergency Stop switch which can be locked into continuous operation. Is this allowed under the provisions of 15.231(a)(4) where a device may operate during the pendency of the alarm condition? Best Regards, Bill Response: If the emergency stop switch is locked into continuous transmission mode, only during an emergency situation, it is allowed. However, normal control of the crane may not be operated in continuous transmit mode. Do not reply to this message. Please select the Reply to an Inquiry Response <https://gullfoss2.fcc.gov/prod/oet/cf/kdb/index.cfm> link from the OET Inquiry System to add any additional information pertaining to this inquiry.

August 21, 2006 RE: Fomotech International FCC ID: LZ6A4000SERIES 1.) Please provide evidence of the five second shutoff rule of 15.231(a)(1). Ans: Please see the “FCC RF Report- revised.pdf” 2.) Please provide pulse train information for all push buttons. Devices which employ pulse width modulation techniques will have different correction factors depending upon the data being sent. I seek more expanded information to substantiate your 9dB duty cycle correction. Ans: I test all buttons, but there is not any big different in duty cycle. So I catch data of several buttons. Please see the ”Duty Cycle.pdf”. 3.) Please provide a block diagram for the radio-frequency transmitter chip. Include the frequencies of any crystals, VCOs, or any RF generation circuits. Ans: Please see the “ Block Diagram – revised.pdf” 4.) The label drawing appears to show the FCC ID appearing on the receiver. This is not correct. The FCC ID in question applies only to the transmitter – it will not apply to this receiver. Ans:Please see the label-revised.pdf. 5.) Please review the Operational Description, especially 1.1.2, 1.1.3 and 1.1.4. It does not appear that this transmitter complies with the timing requirements specified in 15.231(a)(3). Ans:Please see Operational Description-revised.pdf.

August 24, 2006 RE: Fomotech International FCC ID: LZ6A4000SERIES 1.) Can any of the push buttons be locked into a continuously-on transmitting mode? Ans: Yes. The urgency Red button can be locked into a continuously-on transmitting mode. 2.) Please refer to the Operational Description. “Order 13＂ seems to indicate that the transmitter board will send signal continuously. This is in violation of 15.231(a). Ans: When press button, the signal will continuous transmitting. And the signal will disappear within 1.5 Second after released button. 3.) Section 1.1.2 of the same Operational Description appears to indicate the transmitter will transmit continuously every 100msec, or every 250msec if the system is 2nd stage intermittent transmitting. This appears to be in violation of 15.231(a)(3). Ans: Please see page 2 ~3. 4.) Section 1.1.3 also appears to be in violation of 15.231(a)(3). Ans: Please see the picture as below. (4) After released STOP button, the signal will disappear after 1.614 seconds Released STOP button (3) Press key within 1.5 seconds After 1.5 seconds, it will become to send one set of code every 250ms When button is released, the signal will disappear after 1.5 seconds

FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Attachment 2 External Photographs of EUT FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 EUT 1 : 8 button FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-2 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-3 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 EUT 2 : 12 button FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A2-4 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546

FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 0 Attachment 3 Internal Photographs of EUT FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 1 EUT 1 : 8 button FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 2 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 3 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 4 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 5 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 6 EUT 2 : 12 button FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 7 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 8 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 9 FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. Page : A3- TEL. : 886-2-25984542 FAX. : 886-2-25984546 10

8 KEYS 20log(Duty cycle) = 20log 100 35 = -9dB 20log(Duty cycle) = 20log 100 5.34 = -9.24dB 20log(Duty cycle) = 20log 100 5.34 = -9.24dB 12 Keys 20log(Duty cycle) = 20log 100 35 = -9dB 20log(Duty cycle) = 20log 5.99 5.34 = -9.2dB 20log(Duty cycle) = 20log 5.99 5.34 = -9.2dB 20log(Duty cycle) = 20log 5.99 5.33 = -9.5dB

FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page:1/41 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 FCC Test Report for Industrial Radio Remote Control Trade Name : Fomotech Model No. : 8 buttons:Alpha 4008 series 12 buttons:Alpha 4012 series FCC ID. : LZ6A4000SERIES IC ID. : 28381A4000 Report No. : RF-B15-0606-228 Date of Receipt : July 17, 2006 Date of Report : July 22, 2006 Prepared for Fomotech International Corp. 2F-1, 286-3, Hsin Ya Road,Chien Chen District, Kaohsiung, Taiwan, R.O.C. Prepared by Central Research Technology Co. EMC Test Laboratory No.11, Lane41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. This report shall not be reproduced except in full, without written approval of Central Research Technology Co.. It may be duplicated completely in its entirely for legal use with the permission of the applicant. It should not be used to claim product endorsement by any U.S. government agency. The test result in the report applies only to the sample tested. FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page:2/41 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Certification of Compliance Equipment under Test : Industrial Radio Remote Control Trade Name : Fomotech Model No. : 8 buttons:Alpha 4008 series 12 buttons:Alpha 4012 series FCC ID : LZ6A4000SERIES IC ID. : 28381A4000 Manufacturer : Fomotech International Corp. Applicant : Fomotech International Corp. Address : 2F-1, 286-3, Hsin Ya Road,Chien Chen District, Kaohsiung, Taiwan, R.O.C. Applicable Standards : 47 CFR part 15, Subpart C RSS-210 Issue 6 Date of Testing : July 20~21, 2006 Deviation : N/A Condition of Test Sample : Prototype We, Central Research Technology Co., hereby certify that one sample of the designated product was tested in our facility during the period mentioned above. The test records, data evaluation and Equipment Under Test (EUT) configurations shown in the present report are true and accurate representation of the measurements of the sample’s RF characteristics under the conditions herein specified. The test results show that the EUT as described in the present report is in compliance with the requirements set forth in the standards mentioned above and apply to the tested sample identified in the present report only. The test report shall not be reproduced, except in its entirety, without the written approval of Central Research Technology Co. FCC Test Report Report No.:RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page:3/41 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Contents 1 General Description ..............................................................................................4 1.1 General Description of EUT..................................................................................4 1.2 Characteristic of E.U.T..........................................................................................4 1.3 Test Methodology..................................................................................................4 1.4 Requirement for Compliance...............................................................................6 1.5 Layout of Setup.....................................................................................................8 1.6 Test Facility............................................................................................................9 1.7 Measurement Uncertainty..................................................................................10 2 Radiated Emission ..............................................................................................11 2.1 Applied standard................................................................................................. 11 2.2 Measurement Procedure.................................................................................... 11 2.3 Test configuration...............................................................................................13 2.4 Test Instruments.................................................................................................14 2.5 Test Data..............................................................................................................15 3 Bandwidth............................................................................................................33 3.1 Applied standard.................................................................................................33 3.2 Measurement Procedure....................................................................................33 3.3 Test configuration...............................................................................................33 3.4 Test Instruments.................................................................................................33 3.5 Test Data..............................................................................................................35 4 Dwell Time ...........................................................................................................37 4.1 Applied standard.................................................................................................37 4.2 Measurement Procedure....................................................................................37 4.3 Test configuration...............................................................................................37 4.4 Test Instruments.................................................................................................37 4.5 Test Data..............................................................................................................38 5 Antenna Requirement .......................................................................................…

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FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Attachment 1 Photographs of the Test Configurations FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-1 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Radiated Emission Measurement EUT 1 : 8 button Z axis FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-2 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Y axis FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-3 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 X axis FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-4 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 EUT 2 : 12 button Z axis FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-5 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 Y axis FCC Test Report Report No.: RF-B15-0606-228 CENTRAL RESEARCH TECHNOLOGY CO. Page : A1-6 No. 11, Lane 41, Fushuen St., Jungshan Chiu, Taipei, Taiwan, 104, R.O.C. TEL. : 886-2-25984542 FAX. : 886-2-25984546 X axis