Class II permissive change justification letter

FCC ID: 2AEUPBHAMS001

Cover Letter(s)

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FCCID_4184437

Ring LLC 1523 26th Street Santa Monica California 90404, United States Class II Permissive Change Letter FCC ID: 2AEUPBHAMS001 Date: February 28, 2019 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Request Class II Permissive Change for FCC ID: 2AEUPBHAMS001 To Whom It May Concern, The purpose of this letter is request a Class II Permissive Change for FCC ID: 2AEUPBHAMS001, original grant date: 01/03/2019; Applicant: Ring LLC The main change filed under this application is channel 0 (902.5 MHz) of LoRA has been activated by software, meet KDB 178919 D01 section V.B: software changes as follows; Item Description Yes / No Answer from applicant Only change software, no any No hardware changes have been hardware changes. 1 Yes made. New software version: Ver1.7.5-16 Original software version: 0.7.5 There is no increase in the output Same as original application; power rating on new frequencies Original power was 0.047 W for 2 (unless such exceptions are permitted Yes RoLa, new power is 0.047 W for by rules or KDB publications – see V) RoLa. G)). The Equipment Class remains the same. (Changes that require a new Same as original application; 3 Equipment Class code require a new Yes Equipment Class remains is DTS. grant of certification (FCC ID), except for SDR approvals.) RF exposure changes must be Update revised RF exposure 4 Yes addressed report; Only original equipment Only the original equipment manufacturer implement the new 5 manufacturer may implement the Yes frequencies for factory setting, new frequencies. nobody can implement the new frequencies after factory. There are no other changes to the 6 device that indicate a need for a new Yes No any change. FCC ID.

Ring LLC 1523 26th Street Santa Monica California 90404, United States I attest that such change will affect the RF function out of the grant conditions, just need measured following items as follows; Full testing at increase frequency; RF Exposure Evaluation at increase frequency Should you have any questions or comments regarding this matter, please have my best attention. Sincerely, (Signed) Name / Title: Michael Recker /CTO, Ring Beams Company: Ring LLC Address: 1523 26th Street, Santa Monica, California 90404 United States Phone: 8006561918 Fax: 3102272217 E-Mail: michael.recker@ring.com


Document Created: 2019-02-28 21:59:29
Document Modified: 2019-02-28 21:59:29
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