6.1.6 In ESP32’s Deep-sleep mode, using an internal 150 KHz RTC clock or using an external
32 KHz, which consumes more power? . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
6.1.7 What are the requirements for CPU frequency to ensure normal operation of the RF module
when reducing power consumption by reducing the CPU frequency? . . . . . . . . . . . . 170
7 Commercial FAQ 171
7.1 Which certicates have your products passed? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
7.2 Does your company have the ISO Quality Management System Certication? . . . . . . . . . . . . 171
7.3 Do your chips and modules have environmental certicates such as REACH, ROHS, etc? . . . . . 171
7.4 Do you have distributors in China, Europe, the United States and Canada? . . . . . . . . . . . . . 171
7.5 How can I start a distribution business with Espressif? . . . . . . . . . . . . . . . . . . . . . . . . 172
7.6 Where can I nd your product information? Which of your products are in mass production? . . . 172
7.7 Do your products have a longevity commitment? . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
7.8 Where can I nd the SPQ (Standard Pack Quantity) and MOQ (Minimum Order Quantity) for your
products? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
7.9 What is your recommended purchasing method? . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
7.10 What’s the price for bulk purchasing? How can I purchase in bulk? . . . . . . . . . . . . . . . . 172
7.11 Where can I nd all the dierences between your products (e.g. in terms of series and types)? . . . 172
7.12 Do your products have rmware? Can I customize my module/chip ash before the product leaves
the factory? How much does this process cost? How long does it take? How can you help me do this?173
7.13 Which of your products support HomeKit? Where can I get the Espressif HomeKit SDK? . . . . . 173
7.14 What is your company’s address? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
7.15 How can I contact your technical team? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
7.16 How can I get in touch with your company? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
7.17 How can I tell if an Espressif module is in mass production or an NPI product? . . . . . . . . . . . 173
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