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Reference · Terrestream Indoor Air Quality Sensor

Regulatory Disclosures — FCC and ISED

Effective June 1, 2026 · Version 1.0

This page is the regulatory-disclosure reference for the radio transmitter module contained in the Terrestream Indoor Air Quality Sensor (the “ Device ”). It carries the United States Federal Communications Commission (FCC) Part 15 and Canada Innovation, Science and Economic Development (ISED) ICES-003 / RSS compliance statements that accompany the Device.

Transmitter module identification

The Device contains the following certified radio transmitter module. The identifications below match those carried on the physical chassis and on the retail packaging.

Host-device compliance follows the FCC Part 15 Supplier’s Declaration of Conformity (SDoC) pathway. FCC Part 15 Class B SDoC testing for the Device was performed by E3C and passed. The FCC ID listed below is the contained certified radio transmitter module ID, not an invented host-device FCC ID.

  • Contains Transmitter Module FCC ID: 2AC7Z-ESPS3WROOM1
  • Contains Transmitter Module IC: 21098-ESPS3WROOM1

Operating conditions (FCC Part 15 / ISED RSS-Gen)

This device complies with Part 15 of the FCC Rules and with Innovation, Science and Economic Development Canada’s license-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.

Le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes : (1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.

FCC Class B / ISED ICES-003 Class B notice

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, and meets all requirements of the Canadian ICES-003 Class B specifications. 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.

Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

FCC / ISED caution — changes or modifications

FCC / ISED Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Tout changement ou modification non expressément approuvé par la partie responsable de la conformité pourrait annuler le droit de l’utilisateur à faire fonctionner cet équipement.

RF exposure statement / Déclaration d’exposition aux radiofréquences

This equipment complies with FCC and ISED radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operated in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20 cm between the radiator and your body.

Cet équipement est conforme aux limites d’exposition aux rayonnements FCC et ISED établies pour un environnement non contrôlé. Cet émetteur ne doit pas être colocalisé ou fonctionner en conjonction avec une autre antenne ou un autre émetteur. Cet équipement doit être installé et utilisé avec une distance minimale de 20 cm entre le radiateur et votre corps.

Updates and version history

This page is republished when the certified transmitter module identifications change or when FCC / ISED publishes a revised operating-conditions notice that affects the Device. Prior versions are preserved at /legal/archive.

  • June 1, 2026 · v1.0. Initial publication. FCC ID 2AC7Z-ESPS3WROOM1 / IC 21098-ESPS3WROOM1.

Cross-references