DCO-SN1-AEXPRESSGSM2 SIREN SN1-A

A A l l p p h h a a A A r r s s e e n n a a l l L L L L C C 104-20 Queens Blvd., office 1B Forest Hills, NY 11375 P: (718) 440 3281 Subject: FCC Confidentiality Request for FCC ID: DCO-SN1-A To Whom It May Concern: Please accept this letter as an official request to have all Schematics, Bill of Materials, Block Diagrams and Methods of Operation of the DCO-SN1-A , Express GSM 2 Siren application treated as confidential. This request is made pursuant to 47 CFR Section 0.457(d) of the Commission's Rules, and Section 552(b)(4) of the Freedom of Information Act. The information contained within represents many hours of engineering and design that should remain confidential as to protect our company's intellectual property and investments. Sincerely, Signature: Printed Name: Sergey Medvedev Title: General Manager Company: Alpha Arsenal LLC

21 Figure 7.1 Front View 22 Figure 7.2 Rear View

8 2. PRODUCT LABELING Figure 2.1 FCC ID Label Figure 2.2 Location of Label on the Side of EUT Figure 2.2 FCC ID Label Location FCC ID: DCO-SN1-A This device complies with part 15 of the FCC Rules. Operating is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Figure 2.1 FCC ID Label FCC Label

23 Figure 7.3 Cover opened_ Inside View 24 Figure 7.4 Component Side 25 Figure 7.5 Foil Side

1 ELECTROMAGNETIC EMISSION COMPLIANCE REPORT of GSMEXPRESS2 Siren MODEL: SN1-A FCC ID: DCO-SN1-A July 15, 2012 This report concerns (check one): Original grant x Class II change Equipment type: Low Power Intentional Radiator Deferred grant requested per 47 CF 0.457(d)(1)(ii)? yes no x If yes, defer until: (date) Company agrees to notify the Commission by (date) of the intended date of announcement of the product so that the grant can be issued on that date. Transition Rules Request per 15.37? yes no x If no, assumed Part 15, Subpart B for unintentional radiators - the new 47 CFR [10-1-90 Edition] provision. Report prepared for: ALPHA ARSENAL LLC Report prepared by: Advanced Compliance Lab Report number: 0048-120627-03 The test result in this report IS supported and covered by the NVLAP accreditation 6 Randolph Way Hillsborough, NJ 08844 Tel: (908) 927 9288 Fax: (908) 927 0728 Advanced Compliance Laboratory 2 Table of Contents Report Cover Page ..................................................................................................... 1 Table of Contents ....................................................................................................... 2 Figures ........................................................................................................................ 3 1. GENERAL INFORMATION ........................................................................................ 4 1.1 Verification of Compliance .............................................................................................. 4 1.2 Equipment Modifications ................................................................................................. 5 1.3 Product Information ......................................................................................................... 6 DCO-SN1-A .................................................................................................................... 6 1.4 Test Methodology ............................................................................................................ 6 1.5 Test Facility ..................................................................................................................... 6 1.6 Test Equipment ................................................................................................................ 6 1.7 Statement for the Document Use ...................................................................................... 7 2. PRODUCT LABELING .................................................................................................. 8 3. SYSTEM TEST CONFIGURATION ....................................................................... 9 3.1 Justification...................................................................................................................... 9 3.2 Special Accessories .......................................................................................................... 9 3.3 Configuration of Tested System........................................................................................ 9 4. SYSTEM SCHEMATICS ............................................................................................... 12 Figure 4.1 System Schematics ............................................................................................... 12 5. CONDUCTED EMISSION DATA ............................................................................ 13 5.1 Test Methods and Conditions ........................................................................................... 13 5.2 Test Data ......................................................................................................................... 13 N/A ....................................................................................................................................... 14 N/A ....................................................................................................................................... 15 Fig. 5.2 Conducted Emission- Neutral ................................................................................... 15 6. RADIATED EMISSION DATA.................................................................................. 16 6.1 Field Strength Calculation ............................................................................................... 16 6.2 Test Methods and Conditions ........................................................................................... 16 6.3 Test Data ......................................................................................................................... 16 6.4 Occupied Bandwidth ........................................................................................................ 18 Figure 6.2 (a) Pulse Train Timing ......................................................................................... 19 7. PHOTOS OF TESTED EUT.......................................................................................... 20 3 Figures Figure 2.1 FCC ID Label ........................................................................................... 8 Figure 2.2 Location of Label on Back of the EUT .................................................... 8 Figure 3.1 Radiated Test Setup, Position 1 ............................................................... 10 Figure 3.2 Radiated Test Setup, Position 2 ............................................................... 10 Figure 3.3 Radiated Test Setup, Position 3 ............................................................... 11 Figure 3.4 Conducted Test Setup, Front................................................................... 12 Figure 3.5 Conducted Test Setup, Rear .................................................................... 12 Figure 4.1 EUT Schematics ....................................................................................... 13 Figure 5.1 Line Conducted ....................................................................…

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10 Figure 3.1 Radiated Test Setup