Modular Approval Letter

FCC ID: 2AC7Z-ESP8266EX

Cover Letter(s)

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FCCID_2436295

Modular Approval Request Letter FCC ID: 2AC7Z-ESP8266EX Data: October 31, 2014 Gentlemen: There’s an Wi-Fi Internet of Things Module that would like to have your authorization as a modular approval. The specific product as below, Wi-Fi Internet of Things Module, with its designed features and specified description, meets special requirements for full modular approval on FCC Public Notice 15.212 Released: June 26, 2000 by cross-reference list below. Company :ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD Model Name : Wi-Fi Internet of Things Module Model Number : ESP8266EX FCC ID : 2AC7Z-ESP8266EX Requirement of Public Notice 15.212 Reference to ESP8266EX. 1. The modular transmitter must have its own RF shielding. The module has its own RF shielding. Please see external photo.pdf 2. The modular transmitter must have buffered modulation/data inputs. The modular has buffered data inputs, it is integrated in chip ESP8266EX. Please see schematic.pdf 3. The modular transmitter must have its own power supply regulation. All power lines derived from the host device are regulated before energizing other circuits internal to the ESP8266EX. Please see schematic.pdf 4. The modular transmitter must comply with the antenna requirements of The ESP8266EX meets the FCC antenna requirements. Please see Section 15.203 and 15.204(c). external photo.pdf 5. The modular transmitter must be tested in a stand‐alone configuration, The ESP8266EX was tested in a stand‐alone configuration via com i.e., the module must not be inside another device during testing. serial interface. Please see test set‐up photo.pdf 6. The modular transmitter must be labeled with its own FCC ID number, The label position of ESP8266EX is clearly indicated. If the FCC ID of and, if the FCC ID is not visible when the module is installed inside another the module cannot be seen when it is installed, then the host label device, then the outside of the device into which the module is installed must include the text: Contains FCC ID: 2AC7Z‐ESP8266EX. Please must also display a label referring to the enclosed module. see the label.pdf 7. The modular transmitter must comply with any specific rule or operating The ESP8266EX is compliant with all applicable FCC rules. Detail requirements applicable to the transmitter and the manufacturer must instructions are given in the Users Manual. Please see user provide adequate instructions along with the module to explain any such manual.pdf requirements. A copy of these instructions must be included in the application for equipment authorization. 8. The modular transmitter must comply with any applicable RF exposure The ESP8266EX is approved to comply with the applicable RF requirements. For example, FCC Rules in Sections 2.1091, 2.1093 and exposure requirement, please see the MPE evaluation with 20cm as specific Sections of Part 15, including 15.319(i), 15.407(f), 15.253(f) and the distance restriction. 15.255(g), require that Unlicensed PCS, UNII and millimeter wave devices perform routine environmental evaluation for RF Exposure to demonstrate compliance. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF Exposure compliance in accordance with Section 15.247(b)(4). Thank you. Sincerely, Minjie Cai / Marketing Manager ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD Tel: 86-021- 61062057 caiminjie@espressif.com


Document Created: 2014-10-31 13:17:42
Document Modified: 2014-10-31 13:17:42
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