User's Manual

Revision History
Espressif Systems
OEM Guidance
1. Applicable FCC rules
This module is granted by Single Modular Approval. It complies to the
requirements of FCC part 15C, section 15.247 rules.
2. The specific ope
rational use conditions
This module can be used in IoT devices. The input voltage to the
module is
nominally 1.7V-3.6 V DC. The operational ambient temperature of the module is
40 °C ~ 85 °C.
3. Limited module procedures
N/A
4. Trace antenna design
N/A
5. RF exposure considerations
The equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment can operated with minimum distance
5mm between the radiator and your body.