Best radar detectors from Escort, Uniden, and Valentine versus off-axis 33.8 GHz Ka-band police radar test

We test the best radar detectors from Escort, Uniden, and Valentine versus an off-axis 33.8 GHz Ka MPH police radar.

During our recent 10,000 round-trip cross country road trip we come across an parked police cruiser that had its MPH 33.8 GHz Ka mobile police radar left on in continuously transmitting mode.

If gave us an opportunity to test the off-axis radar detection capabilities of the following radar detectors:

Escort MAX 360c MkII
Escort MAXcam 360c
Escort Redline 360c
Uniden R8
Uniden R4
Valentine V1 Gen2

The results were clustered into four primary groups.

The best radar detections came from the Uniden R8 followed very closely by the Valentine V1 Gen 2.

They alerted in about one second of each other and provided between 30 and 29 seconds of total altering time to the cross road where the patrol vehicle was parked.

The next cluster was the Uniden R4 and the Escort Redline 360c.

The Uniden R4 gave us an additional two seconds of alerting over the Escort Redline 360c.

The Uniden R4 trailed behind the Uniden R8 by about three seconds and the Escort Redline 360c trailed by five seconds.

The remaining two radar detectors alerted substantially behind the four best radar detectors of the first two clusters.

The Escort MAXcam 360c which alerted 15 seconds behind the Uniden R8.

The Escort MAX 360c MkII which alerted 19 seconds behind the Uniden R8 and four seconds behind the Escort MAXcam 360c.

The approach speed was approximately 30 mph which equates to 44 feet per second of travel.

The total distance to the cross road was therefore 1320 feet or exactly a quarter of a mile.


Model, Distance, Alert Duration, Percentage of Best, Approximate Sensitivity Difference


R8: 1320 feet away, 30 secs, 100%, 0 dB
V1 Gen2: 1276 feet away, 29 secs, 96.7%, ~ -.25 dB

R4: 1188 feet away, 27 secs, 90%, ~ -1 dB

Escort Redline 360c: 1100 feet away, 25 secs, 83.3%, ~ -2 dB
Escort MAXcam 360c: 660 feet away, 15 secs, 50%, ~ -6 dB

Escort MAX 360c MkII: 484 feet away, 11 secs, 36.7% ~ -7 dB

00:00 Introduction
01:04 Results Summary
02:52 Uniden R8
03:39 Valentine V1 Gen2
04:39 Uniden R4
05:18 Escort Redline 360c
06:16 Escort MAXcam 360c
07:04 Escort MAX 36c MkII
08:06 Test Wrap-up

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