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Radar Detectors > 
Whistler > 
Item#: 9SIA2FW17N4486

WHISTLER Radar / Laser Detector

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  • Overview
  • Specifications
  • Warranty & Returns
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Whistler PRO-78SE High Performance Laser Radar Detector provides Ka Max Mode, RSID and LSID and Detects Laser Atlanta™ Stealth Mode



Operation Bands



POP Mode
Sensitivity Control
3 City Modes/Highway Mode
Blue Text Display
Power Requirement
12 Volts
4.90" x 3.15" x 1.40"
6.5 oz.


Enhanced High Performance!

Exclusive Radar Signature ID - RSID - displays known Ka gun frequencies

Exclusive Laser Signature ID - LSID - displays Pulses Per Second (PPS) of the received laser signal

Three (3) Filter Modes Provides extra filtering

Auto Dim Mode

INTELLICORD Ready - Program which features INTELLICORD controls

Real Voice Alerts - selectable

Exclusive Low Profile Alert Periscopes

Total Band Protection - selectable

360° Maxx Coverage

High Gain Lens

Stay Alert

Dim Modes

Quiet/Auto Quiet Modes

Alert Priority

Setting Saver

Safety Warning System - SWS


90 days limited
1 year limited
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 90 days
  • Read full details

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  • isaac a.
  • 1/4/2013 9:03:10 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDo not Buy

Pros: It Picks up all different types of Radar and Laser

Cons: It Picks up so many types of Radar that its always going off. There is a City mode that sort of helps but not really. I also got a ticket with it. Really if you get hit with a laser there is no slowing down. There are also so many false alarms that I have started ignoring the device. I had a rocky mountain radar Laser detector before this device (it was stolen out of my car) and I thought this would be an upgrade to that old radar detector. I was mistaken and will never get this product again.

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  • Aaron M.
  • 9/3/2012 5:02:25 PM
  • Ownership: 1 week to 1 month

4 out of 5 eggsVery nice for the price

Pros: I got my for 400 off of that one popular online bidding site and I have to say its very solid for the price. I can pick up city police with their K band Stalker dash mounts 0.5 miles ahead. And the MAXID feature lets me know the difference from false alarms and actual Instant On radar ahead.

Cons: If you live in a state with laws against detectors then you might want to grab another one, although this is rated at 300 feet detection. This detector does pick up a decent amount of false alarms (All of them justified by other cars with leaky detectors or garage door openers and even picked up a trucks backup distance sensor. As another rater said, be sure to drive as normal with this detector for a while before you start relaxing about police. Learn where your false alarm areas are and I'd recommend using filter2 mode.

Also do a factory reset when it comes in the mail, I ran into issues for some reason but a reset fixed them.

Other Thoughts: If you're looking for a high quality low wallet impact radar detector then I would greatly recommend this.

1 out of 1 people found this review helpful. Did you? Yes No

  • Chrisopher T.
  • 7/31/2012 12:01:00 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat investment!

Pros: I can attest this detector has saved me from at the least three guaranteed tickets. Considering I live in CA it has saved me a lot of money, time and grief. I get great distance responses. I usually catch cops radar from a good mile out. This gadget catches them far before I can spot them visually. It is excellent for night and highway driving.

Cons: I haven't been able to turn off the k band which gives me quite a few false alarms. The false alarms on Ka are very seldom and only in the city.

Other Thoughts: Think about it.... A $300+ ticket that dings your driving record which boosts insurance premiums or a $150 device to prevent it? To me it is a no brainer.

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  • Dennis K.
  • 8/7/2011 9:35:14 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggs

Pros: Worked as expected for 10 months.

Cons: Sound (speaker) failed after 10 months so no longer able to have audible alerts.

Other Thoughts: My first Whistler unit still works after greater than 10 years of use. The second lasted about 5 years. I bought this one to replace it. Not sure I would buy another Whistler, seems the quality is no longer there.

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  • Will S.
  • 9/30/2010 12:05:56 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid Radar Detector

Pros: Simple to mount. Has 3 bands (X, K, Ka) plus laser. Great for highway driving. You can cruise at 80mph and the detector will alert you to a cop that is ~0.5 miles away, even if he is out of sight. Saved me many a time. Definitely turn off the X and K bands, as they give false alerts. I've read many reviews that claim it gives false alerts, but you can prevent this by properly setting it up (Turn off X and K band).

Cons: A little tricky to setup. The manual was in Russian for some reason, but I went to Whistler's site and got the English one. If you are tech savvy it is a breeze.

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  • Edward B.
  • 8/23/2010 5:38:21 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsNice detector

Pros: Fine mid-budget radar/laser detector. Have already been warned of NJ local cops moving Ka radar, Pro-78 warns of known Ka ranges by specifying the frequency of known Police radar. Notifies well in advance.

Cons: No GPA or other fancy features, but this is to be expected in the sub $200 range

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  • Neil N.
  • 11/19/2009 7:45:12 PM
  • Ownership: more than 1 year

4 out of 5 eggsWorks for me

Pros: I have the Pro-78, which has a simpler display than the 78se. However, the radar detection circuitry is the same.

There are three levels of City-mode: X-Band Off, X-Band Reduced Sensitivity, and X-Band Full Sensitivity. Since most police have moved to K-Band or Pop bands, I keep mine set to X-Band Reduced Sensitivity.

Usually, the false alerts are rare. After a short while, I learned where the few remaining false alerts occur, and they're all in industrial neighborhoods. With experience, when a real radar-event happens, I realize it's out of the ordinary.

The false alarms occur on the X-Band (99% of the time).

In NE Pennsylvania, temporary traffic-warning signs often have K-Band transmitters hanging from their bottoms. Police tend to be on Ka or Pop bands. Laser is rare. Microwave ovens (and a few cops in North Carolina) set off the X-Band, so I don't really know why I don't turn that off altogether.

Good volume range, from Low for quiet country drives, to High for Led

Cons: When the Laser alarm goes off, it will rattle your teeth.

The Dark mode [for stealthiness at night] is not completely dark. However, after a couple of years, I learned that it's not bright enough for me to be paranoid about, regarding cops possibly seeing and objecting to me having a radar detector. It's pretty dark, and the LEDs do turn completely off [in Dark mode] for a minute when any alarm is activated, to give time for the police to go away without seeing your detector glowing.

During the day, I think a radar detector hanging from the windshield is asking for a Police Intervention, so I keep mine in (or under) the passenger seat -- which, granted, is not particularly useful. I take it back out for long nighttime drives, otherwise, it actually usually stays under the passenger seat.

Other Thoughts: I recommend my strategy: When you get your new radar detector, don't change any of your driving habits until you get comfortable with the functions and have them adjusted the way that's most comfortable for you. This can take the better part of a year.

After that point, use the detector to keep apprised of law-enforcement efforts -- not to evade them. You don't want having the detector to fool you into losing your license (or to fool you into killing someone).

When you're sharing the road (and they're getting more crowded every day), having a radar detector is not a reason to stop driving defensively.

5 out of 7 people found this review helpful. Did you? Yes No

  • Andrew P.
  • 11/7/2009 6:04:27 PM
  • Ownership: 1 month to 1 year

1 out of 5 eggsSave your money for a better unit!!!

Pros: Lots of nice menu features--at least in theory.

Cons: The menu features don't matter if it just doesn't do its job--doubtful it will save you from a ticket. Either save your money and buy something higher end--or find something w similar performance for much less (I'd recommend the former if you want to avoid a ticket)

Other Thoughts: I bought into the hype and some early favorable 'professional' reviews on this product. Convinced that it wasn't working as advertised, I purchased a V1, the 'King' of radar detectors, and compared them in my car side by side. First off, the 78SE gives TONS of false alarms. Often it would go off when the v1 wasn't making a peep. Sometimes, it would go crazy when I was out in the middle of a road surrounded by corn fields! Is this because it is more sensitive? I think not. I had tested them on some speed signs set up in my area, and the V1 would go off a 1/4 mile or more before the Whistler made a detection. A 1/4 mile in the world of radar is an eternity--the difference between getting a ticket and not. By the time the 78SE starting making weak little burps warning you to start being on the lookout, the V1 was already going off at full blast. The v1 would also detect the speed radar when it was up and over a hill..

1 out of 7 people found this review helpful. Did you? Yes No

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Item#: 9SIA2FW17N4486
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