Radar detector guides & laws
Straight answers on legality, technology and buying decisions — written so you can make a call in five minutes rather than five forum threads.
Are radar detectors legal? State-by-state guide
Legal in 48 states, banned in Virginia and D.C., plus the federal commercial-vehicle rule. Includes a table for all 50 states.
LawAre radar detectors legal in the UK?
Legal in private vehicles across England, Scotland, Wales and Northern Ireland — but jammers are a different story.
LawAre radar detectors legal in Canada?
Legal in Alberta, BC and Saskatchewan, banned in Ontario, Quebec and Atlantic Canada. Full province table.
LawAre radar detectors legal in Australia?
Western Australia says yes. Every other state and territory says no, with fines and confiscation.
LawAre radar detectors legal in New Zealand?
Legal in private vehicles — the real question is which NZ enforcement methods a detector can see.
LawAre radar detectors legal in Ireland?
Ireland is stricter than the UK, and the rules flip the moment you cross the border.
BasicsHow do radar detectors work?
Doppler shift, beam scatter, instant-on radar and why laser is so hard to catch — explained without the engineering.
BasicsRadar bands explained: X, K, Ka and laser
Which bands US police actually use, and how to tell a real Ka alert from a supermarket door sensor.
SetupHow to install a radar detector
Placement, cable routing and the mounting mistakes that quietly halve your detection range.
DrivingHow to avoid speeding tickets
Where enforcement sets up, the habits that keep you off their radar, and what a ticket really costs once insurance reprices you.
LawLaser jammers vs radar detectors
One receives, one transmits — and that is exactly why their legal status is so different.
BuyingBest radar detectors: buyer's guide
What to look for in Ka sensitivity, false-alert filtering and coverage before you spend anything.
BuyingBest radar detector for highway driving
Long-range Ka performance matters most at 70 mph. Here is what separates a useful alert from a useless one.
LawRadar detectors and trucks: the legal reality
The FMCSA rule that bans detectors in vehicles over 10,000 lbs — and which pickups are unaffected.
BuyingBest radar detector under $100
What you can realistically expect at this price, and where cheap detectors cut corners.
BasicsSpeed camera detectors explained
Fixed cameras, average-speed zones and red-light cameras — what a radar detector can and cannot see.
ReviewMcFlash 360 review
An honest look at what this detector does well, where it falls short, and who should skip it.
Get McFlash at 50% off today
Free worldwide shipping, 30-day money-back guarantee.
- Free worldwide shipping on every order
- 30-day money-back guarantee
- Encrypted card payment
Ships to 40+ countries · All prices are in USD and charged in USD.