User's Manual

SX127X RF Module User Manual of E19 Series Modules

6.2 The module can be damaged easily

⚫ Please check the power supply, which should be 1.8v-3.8v. If the value exceeds that, the module will be damaged.

⚫ Please check the stability of power supply. The voltage cannot be in fluctuations frequently.

⚫ Please ensure all the installation operations are anti-static.

⚫ Please ensure the humidity in the procedure of installation and operation should not be too high because some electrical parts are

humidity sensitive device.

⚫ Please do not use it in a too high or too low temperature environment if there’s no special requirement.

7. Important statement

⚫ Ebyte reserves the rights of final interpretation and revision for all the involved contents in this manual.

⚫ With the continuous improvement of hardware and software, this manual may subject to change without notice. Please refer to the

latest version.

⚫ Users can follow the product news on our official website so as to gain the latest information.

FCC Caution

⚫ This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not

cause harmful interference, and (2) this device must accept any interference received, including interference that may cause

undesired operation.

⚫ Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to

operate the equipment.

⚫ Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC

Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This

equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by

turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following

measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

-Consult the dealer or an experienced radio/TV technician for help.

Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01

2.2 List of applicable FCC rules

CFR 47 FCC PART 15 SUBPART C has been investigated. It is applicable to the modular transmitter

2.3 Specific operational use conditions

This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational

conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module man

2.4 Limited module procedures

Not applicable

2.5 Trace antenna designs

Not applicable