"The T5 supports message encryption using the industry standard AES?128* encryption algorithm. Each device is programmed with a unique key. Messages are encrypt

"The T5 supports message encryption using the industry standard AES?128* encryption algorithm. Each device is programmed with a unique key. Messages are encrypted as they enter the Spok network and are sent over the air to the device where they are decrypted for display to the user." https://pagersdirect.net/collections/alpha-numeric-pagers/products/sun-telecom-t5-encrypted-brand-new-1-way-alpha-numeric-secure-pager_sun-telecom-t5 https://pagersdirect.net/collections/alpha-numeric-pagers/pr... However, there seem to be other weaker links in that chain (like the email that's being sent to the host).