Hi-Link HLK-RM58S User Manual page 27

Version No.
V1.21 Power supply changed from 3.3v to 5v
V1.22 Add upgrade function description
Add the instruction of the at command netmode, update the picture
of the serial port configuration tool
V1.23
Add wifi, socket indicated pin description
Add one-click distribution description, web set description
V1.25 Add AT command sample code
V1.26 Add demo code description
Integration instructions for host product manufacturers according to KDB 996369 D03 OEM
Manual v01
2.2 List of applicable FCC rules
FCC Part 15.407
2.3 RF exposure considerations
This equipment complies with the FCC RF radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with a minimum distance of 20cm between
the radiator and any part of your body.
2.4 Antennas
Antenna Specification are as follows:
Type: Internal Antenna
Gain: 5.2G WiFi: 3.0 dBi, 5.8G WiFi: 2.0 dBi
2.5 Label and compliance information
Remind end customers to add "Contain FCC ID: 2AVZEMRMCRUS20PT-01".
Revised scope
24
Date