https://www.atcorp.com/r-and-d/usbsentry/
USB Sentry - Architecture Technology Corporation
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https://www.universalcycles.com/shopping/product_details.php?id=96127&category=105
Universal Cycles -- NiteRider Sentry Aero 260 USB Tail Light [5088]
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https://eg.rsdelivers.com/product/siretta/sentry-g-lte4-eu/siretta-sentry-g-lte4-eu-rf-detector-26-ghz-usb-b/2728578
SENTRY-G-LTE4 (EU) Siretta | Siretta SENTRY-G-LTE4 (EU) RF Detector 2.6 GHz USB Mini-B, SMA...
SENTRY-G-LTE4 (EU) Siretta | Siretta SENTRY-G-LTE4 (EU) RF Detector 2.6 GHz USB Mini-B, SMA Connector | 272-8578 | RS