Y3I-AVTQUADBP7BELTPACK WIRELESS MICROPHONE TRANSMITTER

Attention: Federal Communications Commission Authorization and Evaluation Division The following are all permanent confidentialiry requests. AVTronics hereby requests that the name that is used to represents its company name in the FCC public searchable database be its DBA which is AVTronics. AVTronics is the name currently used for representation to the general public. Use of its other name which is not its DBA, listed under Item I on form 73 l, would increase the chances of competitors finding our suppliers. Please list the com- pany name as only AVTronics in the FCC public searchable database. Permanent confidentiality on the following product information represented by their FCC ID numbers is also requested. Thrs request for permanent confidentiality applies to the information regarding the block diagram, frequency setting information, circuitry informa- tion, schematic and parts list which can be kept protected according to FCC rules and applicable laws by this request. Confidentiality Request pertains to the applications for certifications of the following FCC IDs: Transmitters: Y3I-AVTQUADBPl Y3r-AVTQUADBP5 Y3r-AVTQUADHHl Y3I-AVTQUADHH5 Y3l-AVTQUADBP2 Y3I-AVTQUADBP6 Y3I-AVTQUADHH2 Y3I-AVTQUADHH6 Y3r-AVTQUADBP3 Y3I-AVTQUADBPT Y3r-AVTQUADHH3 Y3r-AVTQUADHHT Y3r-AVTQUADBP4 Y3r-AVTQUADBP8 Y3I-AVTQUADHH4 Y3r-AVTQUADHH8 Pursuant to Sections 0.457 and 0.459 of the Commission's Rules, we hereby request confidential treatment of information accompany- ing this application as outlined below: Exhibit Type File Name Block Diagram Frequency Setting information Circuit Description Schematic List of ltems (block diagram.doc) (updated tr-rning procedure.pdf) (updated_UHF600MHz-PLL Circuit Description.rtf Updated UHF600MHz-SRYSTAL- schematic.pdf Updated part list.pdf The above product materials information contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified beneflts to its competitors. Sincerely, Authorized Signature Authorized Signer:Mark K. Cass, Treasurer www.avtronicsworld,com

APPLICANT: AVTRONICS FCC ID: Y3I-AVTQUADBP7 EXTERNAL PHOTOS

PN: AVTQUADBP1 Frequency: 619.15 MHz FCC ID: Y3I-AVTQUADBP1 Freq. Group 2 CH. D (Orange) Made in China Do not put in trash PN: AVTQUADBP2 Frequency: 621.55 MHz FCC ID: Y3I-AVTQUADBP2 Freq. Group 2 CH. C (Blue) Made in China Do not put in trash PN: AVTQUADBP3 Frequency: 680.45 MHz FCC ID: Y3I-AVTQUADBP3 Freq. Group 2 CH. B (Green) Made in China Do not put in trash PN: AVTQUADBP4 Frequency: 697.85 MHz FCC ID: Y3I-AVTQUADBP4 Freq. Group 2 CH. A (Red) Made in China Do not put in trash PN: AVTQUADBP5 Frequency: 625.15 MHz FCC ID: Y3I-AVTQUADBP5 Freq. Group 1 CH. D (Gray) Made in China Do not put in trash PN: AVTQUADBP6 Frequency: 631.75 MHz FCC ID: Y3I-AVTQUADBP6 Freq. Group 1 CH. C (Pink) Made in China Do not put in trash PN: AVTQUADBP7 Frequency: 693.65 MHz FCC ID: Y3I-AVTQUADBP7 Freq. Group 1 CH. B (Yellow) Made in China Do not put in trash PN: AVTQUADBP8 Frequency: 696.65 MHz FCC ID: Y3I-AVTQUADBP8 Freq. Group 1 CH. A (Purple) Made in China Do not put in trash PN: AVTQUADHH1 Frequency: 619.15 MHz FCC ID: Y3I-AVTQUADHH1 Made in China Freq. Group 2 CH. D (Orange) PN: AVTQUADHH2 Frequency: 621.55 MHz FCC ID: Y3I-AVTQUADHH2 Made in China Freq. Group 2 CH. C (Blue) PN: AVTQUADHH3 Frequency: 680.45 MHz FCC ID: Y3I-AVTQUADHH3 Made in China Freq. Group 2 CH. B (Green) PN: AVTQUADHH4 Frequency: 697.85 MHz FCC ID: Y3I-AVTQUADHH4 Made in China Freq. Group 2 CH. A (Red) PN: AVTQUADHH5 Frequency: 625.15 MHz FCC ID: Y3I-AVTQUADHH5 Made in China Freq. Group 1 CH. D (Gray) Do not put in trash PN: AVTQUADHH6 Frequency: 631.75 MHz FCC ID: Y3I-AVTQUADHH6 Made in China Freq. Group 1 CH. C (Pink) Do not put in trash PN: AVTQUADHH7 Frequency: 693.65 MHz FCC ID: Y3I-AVTQUADHH7 Made in China Freq. Group 1 CH. B (Yellow) Do not put in trash PN: AVTQUADHH8 Frequency: 696.65 MHz FCC ID: Y3I-AVTQUADHH8 Made in China Freq. Group 1 CH. A (Purple) Do not put in trash HANDHELDS BELTPACKS

APPLICANT: AVTRONICS FCC ID: Y3I-AVTQUADBP7 INTERNAL PHOTOS