Uniden R8
D1 Local Only — Speaks only to hardware you control.
The unplug test
Nothing changes. The R8 detects radar and laser and issues GPS-based alerts for known red-light and speed cameras entirely on its own, using a database stored on the device. The R/Tach phone app is an optional way to change settings from your phone over a direct Bluetooth link — Uniden's own product page confirms GPS-based alerting keeps working 'requiring no pairing or smartphone connection' at all. Database and firmware updates are free and applied by connecting the detector to a computer with a USB cable and Uniden's own software; there is no subscription and no vendor server in the alerting path.
Why this tier: The R8 has built-in Bluetooth for its optional R/Tach companion app, but Uniden operates no cloud service the detector depends on: radar/laser detection and GPS-based red-light/speed-camera alerts run entirely on the device using its own onboard database, the app connects directly to the detector over Bluetooth with no account or sign-in, and database updates are applied locally through a USB cable and a computer, not a subscription service.
Specifications
| Account required | none |
|---|---|
| Works offline | fully |
| Forced firmware updates | no |
| Radios | ble |
| FCC ID | AMWUA2102 |
| Local control | ble |
| Phones home | unknown |
| Parts available | unknown |
| Availability | in stock |
| Price band | unknown |
| Vendor risk | 0 / 3 |
Where to buy
Open questions
- Whether the Bluetooth radio has its own separate FCC grant (not found via grantee search for 'Uniden R8') or operates under a pre-certified module's existing grant was not resolved.
- Whether the R/Tach app makes any background network calls (analytics/telemetry) once installed was not tested — phones_home left unknown rather than asserted as none.
- Current US price band was not confirmed.
- The related Uniden R8W (Wi-Fi variant) and R7 were not verified in this run; do not assume this record applies to those SKUs.
Sources
Class A is primary (manual, FCC filing, teardown). Class B is corroborated community reporting. Class C is never sufficient alone.
- A https://www.uniden.com/products/r8/
Manufacturer product page: 'The Uniden R8 does include built-in Bluetooth and R/Tach app connectivity'; GPS-based red-light/speed-camera alerts described as working with 'no pairing or smartphone connection' required; updates 'handled through your computer using Uniden's official software tools' with 'free updates to the radar detector firmware' — no subscription language anywhere on the page. — accessed 2026-09-03 - A https://apps.apple.com/us/app/uniden-r-tach/id6702027198
Official R/Tach app store listing describes the app connecting directly to the detector over Bluetooth ('Seamlessly connect to your Uniden R/TACH radar/laser detectors... and effortlessly customize and fine-tune your detector settings') with no mention of account creation, sign-in, or an online service anywhere in the listing. — accessed 2026-09-03 - A https://fccid.io/AMWUA2102
FCC grant AMWUA2102, model UA2102, Uniden America Corporation, granted 2022-01-25, classified as a Part 15 Radar Detector covering 10.5-10.55GHz, 23.9-24.25GHz and 33.4-35.7GHz radar/laser detection bands. Confirms the device's core detection hardware and grantee identity; the grant does not cover a 2.4GHz Bluetooth radio, consistent with the Bluetooth module likely being certified separately or under a pre-certified module grant not surfaced by this search. — accessed 2026-09-03
History
- 2026-09-03 — First published at D1.
Last verified 2026-09-03 — 3 days ago.