IP9620VLaw Enforcement Surveillance Voice Transmitter

February 10, 2002 Federal Communications Commission Equipment Authorization Division RE: Request for Confidentiality, FCC ID IP9620V This letter is a request to hold the following documents pertaining to the application for FCC Type Certification for IP9620V as confidential and to withhold them from public disclosure. This request is concurrent with the FCC rules (section 0.457(d) and section 0.459) and the Freedom of Information Act (section 0.552(b)(4)). The documents are: 1.) All schematic diagrams 2.) All circuit descriptions 3.) All parts lists 4.) All circuit block diagrams Public disclosure of these pieces of design information would put Tactical Technologies Inc. at a substantial disadvantage competitively. Tactical Technologies Inc. does not make the above information available to the general public. Thank you very much for your attention to this. Sincerely, Jeffrey Olsen Engineer Tactical Technologies Inc

Part 90 Testing CST 620/V Two Channel Synthesized FM Voice Transmitter FCC ID: IP9620V Performed by Tactical Technologies Inc. 1701 Second Ave Folsom, PA 19033 610-522-0106 February 12, 2001 The audio frequency response, low pass filter test, occupied bandwidth, frequency stability, transient behavior, and modulation testing in this application for FCC Type Certification have been performed under my direct supervision. To the best of my knowledge these tests were conducted in accordance with the procedures outlined in Part 2 and Part 90 of the Commission's Rules and Regulations. I am presently employed by Tactical Technologies Inc. in Folsom, Pennsylvania as a Design Engineer. My prior experience consists of 10 years of designing and testing communications products in the VHF portion of the spectrum. Sincerely, Jeffrey N. Olson Engineer Tactical Technologies Inc. A. INTRODUCTION The following data are submitted in connection with this Application for Type Certification in accordance with Part 2, Subpart J, and Part 90, Subparts B,D, and I of the FCC Rules and Regulations. B. INFORM ATION REQUIRED BY PART 2 2.1003(a) See Form 731 2.1033(b) N/A 2.1003(c) (1) The full name and address of the applicant and manufacture for certification is: Tactical Technologies Inc. 1701 Second Ave. P.O. Box 91 Folsom, Pa. 19033 (2) The FCC Identifier of this device is IP9620V (3) Operating Instructions are included in the Exhibits. (4) Emission: NBFM Voice – 11K2F3 Emission Calculations are included in the Exhibits. (5) Frequency Range 150 – 174 Mhz (6) Output Power of the device is 1000mw. @ 9.0 Volts (7) Maximum Power Rating is 1000mw. (8) All of the Pre-amp sections run off of regulated +5.0 Volts, and the RF Final transistor runs on 9 Volts. (9) Tune up procedure are included in the Exhibits. (10) Schematics are included in the Exhibits. (11) A drawing of the equipment identification label is included in the Exhibits. (12) Photographs of the internal and external construction of the device are included in the Exhibits. (13) N/A (14) Test Data required by Part 2.1046 through 2.1057, inclusive, is measured in accordance with the procedure in Part 2.1041. (15) N/A (16) N/A (17) N/A C. SUBMISSION OF EQUIPMENT FOR TESTING - Paragraph 2.943 Upon request, the test sample will promptly be made available by Radiation Science Inc. D. DESCRIPTION OF MEASUREMENT FACILITIES - Paragraph 2.947 The open-field tests were performed on the 3 meter range maintained by Radiation Science Inc. Complete description and measurement data have been placed on file with the Commission. E. TEST DAT A This section contains results of measurements required by Parts 2 and 90 of the rules. Data are presented in tabular and/or graphical form, and measurement procedures are described within the text of each reported test. The test sample operated on 173.9125 MHz. 1. RF POWER OUTPUT - Paragraphs [2.1046(a),2.1033(c)(8),90.205(d)] Measurements pertaining to the power output of the transmitter were performed by the manufacturer. To the best of my knowledge, these tests were conducted in accordance with the procedures outlined in Parts 2 and 90 of the Commissions Rules and regulations. The data presented on Table 1 demonstrates compliance with the appropriate technical standards. 2. MODULATION CHARACTERISTICS - Paragraph [2.1047(a), 90.211(a)] Measurements pertaining to the modulation characteristics were performed by the manufacture. To the best of my knowledge, these tests were conducted in accordance with the procedures outlined in Parts 2 and 90 of the Commission's Rules and regulations. The data presented on figures 1 and 2 demonstrates compliance with the appropriate technical standards. 3. OCCUPIED BANDWIDTH - Paragraphs [2.1049, 90.211(a)] Figures 3 and 4 contain pictures taken from a Hewlett Packard 8558B Spectrum Analyzer. The transmitter was modulated with a sine wave tone at 2500 Hz at a level 16 dB above the required to produce 50% modulation at the frequency maximum response. Paragraph 90.210(d) requires that the mean power of emissions shall be attenuated below the mean output power of the transmitter by the following amounts: -- On any frequency removed from the center of the authorized bandwidth f0 to 5.625 khz removed from f0; Zero db. -- On any frequency removed from the center of the authorized bandwidth by a displacement frequency (fd in khz) of more than 5.625 khz but no more than 12.5 khz. At least (fd – 2.88khz)db. -- On any frequency removed from the center of the authorized Bandwidth by a displacement frequency (fd in khz) of no more than 12.5 khz. At least 50 + log(P) or 70db, whichever is the lesser attenuation. 4. SPURIOUS EMISSIONS AT THE 50 OHM TEST POINT ON THE TRANSMITTER [2.1053, 90.209 Emission Mask D] The transmitter was modulated per paragraph 2.1053. The spectrum was checked with the spectrum analyzer from 10 MHz to the 10th harmonic of the carrier frequency. Observed emissions not reported are attenuated more than 20 dB below the permissible value of 40 dB, i,e., 50 + log (1.0W) = 50 dB given by Section 90.209. The data in Table 1 verifies that the test sample complies with Paragraph 90.209(c)(3). TABLE 1 CONDUCTED SPURIOUS EMISSIONS DATA EMISSION EMISSION FCC FREQUENCY LEVEL LIMIT (MHz) (dBc) (dBc) 173.9 REFEERENCE +30 dBm 347.8 -55 50 521.7 -58 50 695.6 -75 50 869.5 >-75 50 1043.4 >-75 50 1217.3 >-75 50 1391.2 >-75 50 1565.1 >-75 50 1739.1 >-75 50 5. FIELD STRENGTH OF SPURIOUS RADIATION - Paragraphs [2.1053,90.209] Measurements were made on the three meter range maintained by Radiation Science Inc. to quantify spurious emission level that] are radiated directly from the cabinet, control circuits, power leads and intermediate circuit elements under normal conditions of installation and operation. Particular attenuation was paid to harmonics of the carrier frequency as well as those frequencies removed from the carrier by multiples of the oscillator frequency. Data is submitted in Table 2 showing the mag…

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