https://www.motorolasolutions.com/en_xp/products/two-way-radio_applications/astro-25-applications-and-software-solutions/over-air-rekeying.html
P25 Over-the-air Rekeying (OTAR) - Motorola Solutions Asia
OTAR sends updates to radios over the air, so users do not have to bring their radios in for manual service, saving time and protecting productivity. Read more.
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https://www.motorolasolutions.com/en_xa/products/two-way-radios-public-safety/astro-25-network/applications/over-air-rekeying.html
Over The Air Rekeying (OTAR) - Motorola Solutions Australia & NZ
OTAR sends updates to radios over the air, so users do not have to bring their radios in for manual service, saving time and protecting productivity.
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