FCC Statement (United States)
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. If not installed and used in accordance with the instructions, it 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:
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- 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.
Modular Approval Note:
This product incorporates a pre-certified Espressif ESP32 radio module (FCC ID: 2AC7Z-ESP32WROOM32E) that complies with FCC Part 15 Subpart C requirements for intentional radiators. The TankMaster host product has been evaluated under Part 15 Subpart B (Class B, Unintentional Radiator) using the certified module in its final configuration and was found to comply with the applicable limits.
Changes or modifications not expressly approved by Puffball Designs LLC could void the user’s authority to operate this equipment.
Powering Note (for Part 15.107(d) clarity)
This product is designed to operate only from external 5 V DC sources such as RV 12 V-to-5 V DC converters, vehicle USB ports, or USB battery packs. No AC power adapter is included or required.
Responsible Party (U.S.):
Puffball Designs LLC
Surprise AZ 85387
Email: [email protected]
Phone: (623) 688-8259
RF Exposure Statement
This equipment contains a low-power radio transmitter. It should be installed and operated with a minimum distance of 20 cm (8 inches) between the radiator and any person to ensure continued compliance with FCC RF exposure requirements.
