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What are the requirements for the automatic standby feature in mobile phone repeaters


The automatic standby feature in mobile phone repeaters is designed to minimize interference and efficiently use spectrum by reducing unwanted emissions and electromagnetic noise in mobile frequency uplink bands when the repeater is not actively serving a device[1][3].

Here's a breakdown of the requirements:
* Automatic Standby/Shutoff When the repeater isn't serving an active device, it should reduce its output power to no more than -70 dBm/MHz EIRP (Effective Isotropic Radiated Power) per band of operation after a maximum of 5 minutes[1][5]. Some equipment reduces output power to -70 dBm/MHz when not in use for 1 minute[6].
* Purpose This feature ensures that the repeater does not add noise to the network when not in active use[3].
* Self-Monitoring Mobile phone repeaters should automatically self-monitor to ensure they comply with applicable noise and gain limits. They should either self-correct or shut down automatically if their operation exceeds these parameters[5].
* Uplink Standby Some repeater models have an uplink standby feature where the repeater automatically decreases its power when no device is in use[7].

Citations:
[1] https://www.ca.go.ke/sites/default/files/CA/Type%20Approval%20Forms/Technical-Conditions-for-Type-Approval-of-Static-Mobile-Signal-Repeaters-2022.pdf
[2] https://www.cisco.com/c/en/us/td/docs/routers/access/wireless/software/guide/RolesHotStandby.html
[3] https://www.ofcom.org.uk/siteassets/resources/documents/consultations/category-2-6-weeks/100208--mobile-phone-repeaters/associated-documents/secondary-documents/mobile-phone-repeaters.pdf?v=322406
[4] https://ec.europa.eu/docsroom/documents/7718/attachments/1/translations/en/renditions/native
[5] https://www.pta.gov.pk/assets/media/ad_cons_paper_10102020.pdf
[6] https://www.cst.gov.sa/en/RulesandSystems/RegulatoryDocuments/EquipmentApproval/Documents/TA_RI1116%20E.pdf
[7] https://www.repeteur-gsm.shop/media/pdfdownload/gsm/en/Manual.pdf
[8] https://mobilesignalsolutions.co.uk/legal-mobile-signal-boosters/