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Uniden SDS100 Police Scanner

Best scanner of 2020

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This is—beyond a shadow of a doubt—the best scanner on the market and the one you should buy.

Launched in June of 2018, it's the newest and...I'd say shiniest...but it's flat black (not even matte, which is the only disappointing aspect of this scanner).

The SDS100 is fast, easy to use, has a color interface, and simulcast monitoring capabilities that blow all the other digital phase 2 scanners out of the water. That reminds me: it's waterproof(!) Uniden has set a new standard with the SDS100.

View our SDS100 deal & save on programming!

Chat with a SDS100 expert now

Specifics & Compare

Handheld Digital Phase 2 Police Scanner Comparison

Model Number




Scanner Type


Monitor Digital Phase 2


Monitor Digital Phase 1


Monitor Trunking


Monitor Analog


Monitor Weather & NOAA


Monitor P25, TDMA, APCO-25, EDACS, LTR, Analog Motorola, Digital Motorola


ProVoice EDACS

YesWith Paid UpgradeWith Paid UpgradeWith Paid Upgrade


YesWith Paid UpgradeWith Paid UpgradeNo


YesWith Paid UpgradeWith Paid UpgradeWith Paid Upgrade

Frequency Range

25 MHz - 1.3 GHz25 MHz - 1.3 GHz25 MHz - 1.3 GHz25 MHz - 1.3 GHz

AM/FM Reception


Number of Channels

Virtually UnlimitedVirtually UnlimitedVirtually Unlimited25,000

GPS Capable


Alpha Tag


NAC Decoding


Fire Tone-Out


Location Based Scanning


Close Call/Stalker


Record & Playback


Lit Keypad


Headset & External Speaker Compatible


PC Programmable


Mac Programmable


Easy Programming


Software Included

EZ ScanSentinelSentinelNone

USA & Canada Database


Storage (GB)

4 GB8 GB4 GBDynamic

SD Card


Range (mi.)*


Battery Type


Battery Life**

8 hours8 hours8 hours6 hours
Size (inches)1.25 x 2.25 x 5.25N/A2.5 x 6.5 x 12 x 6 x 1
Weight (oz.)12N/A1212


1 year1 year1 year1 year
LaunchedSummer 2016Summer 2018Fall 2013Spring 2015
Key FeatureNXDNSimulcast CapableGPS CapableSoftware not included


› AC Adapter
› miniUSB to USB Cable
› Hand Strap
› 8GB MicroSD Card (installed)
› Lithium Ion Battery Pack
› SMA to BNC Connector (Antenna Adapter)
› SMA type Antenna
› Sentinel Software
› Belt Clip
› Printed Inserts


What’s the difference between the SDS100 and the BCD436HP?
Go to 'Specifics & Compare' tab to see all technical differences. The main differences are:

› The SDS100 can pick up simulcast.
› Faster; the SDS100 is suppose to be 25%-50% faster than the BCD436HP.
› Clearer screen resolution.
› SDS100 is 'water proof'.
› SDS100 is more sensitive and superior at picking up weak signal and 'RF environments'.
› The SDS100 can charge and run at the same time; the BCD436HP must be powered down to charge.
› You can customize the color screen to show what you’d like.
› BCD436HP came out in 2013; SDS100 in June 2018. Like all new technology there have been several minor upgrades.


What’s the difference between the SDS100 and the Whistler TRX-1?
Go to 'Specifics & Compare' tab to see all technical differences. The main differences are:

› The SDS100 can pick up simulcast distortion.
› TRX-1 came out in 2016; SDS100 in June 2018. Like all new technology there have been several minor upgrades.


I need a digital phase 2 scanner, why should I buy the SDS100?
The SDS100 is the newest scanner on the market and the new flagship scanner from the largest police scanner manufacturer in the world; Uniden. The simulcast capabilities are one of a kind and you can buy add ons for NXDN, DMR and ProVoice. So basically, this scanner can pick up everything possible no matter where you live.


Will the SDS100 go on sale anytime soon?
We don't know. Uniden does not disclose when they will be dropping prices and even when prices do drop, it’s only $5 -$10. You can sign up for our emails & we'll keep you posted.


What are ProVoice, EDACS and NXDN and do I need them?
These 3 are forms of digital phase 2 that affect some parts of the U.S.. If your area uses these - you must add them (buy above) to hear those broadcasts. Not sure if your area uses these formats? No biggie (this is confusing) chat with a scanner expert now and we’ll look up your area.


Additional memory?

You can add a larger memory (SD card) to increase favorites lists and recording space. Recording time by SD card size:

› 2 GB = 6 hours
› 4 GB = 12 hours
› 8 GB = 24 hours
› 16 GB = 50 hours
› 32 GB = 100 hours
› 64 GB = 200 hours


What is simulcast distortion?

Check out our simulcast distortion article to learn more.


Software Upgrade Fees

The rate we charge includes the software license(s) and our time to install upgrade. You can upgrade on your own directly from Uniden after you receive your scanner but we will not provide support if you do not purchase from us.


Does this come with the larger battery?


Buyers Say

Already have your SDS100? Leave a review on this page to help others.

› Simulcast distortion monitoring works as advertised.
› 25%-50% faster than the BCD436HP & TRX-1.
› SD card placement is better than BCD436HP so card is not easily corruptable.
› Much more sensitive and can pick up weak signals.
› Able to charge and run at the same time, unlike the BCD436HP.
› Customizable color screen is easier to read than the black & white BCD436HP.
› The stock antenna is just OK. Uniden degraded the antenna to get certified waterproof. This on set antenna increases range up to 100%.
› Battery issue: There was a battery issue when first launched which has been fixed, this issue will not affect any orders placed after November 2018.
› If knob (multi function scroll) is not functioning properly, pull the knob off and reattach.
› New battery tends to get hot—doesn't always last 8 hours as Uniden suggests.


› If you do nothing else - save this page. This guide is hyper detailed & explains how to do everything on this scanner. When you get your scanner go ahead & burn the paper owner’s manual & use this bad boy.

Uniden SDS100 Owner's Manual. This is the official Uniden SDS100 owner's manual.

Uniden SDS100 Technical Specs one pager. This is the official Uniden SDS100 one page spec sheet.

› Radio Reference is the largest police scanner radio forum with over 850k users. There are several threads about the Uniden SDS100 where just about every question imaginable has been asked and answered.

› Review of the Uniden SDS100 on Radio Reference thread. And a new SDS100 review.

› Radio Reference wiki page for the Uniden SDS100

› Our Uniden SDS100 YouTube playlist has several videos of the Uniden SDS100 in action so you can see the SDS100 and BCD436HP side by side and compare the simulcast capabilities.

› Facebook group for Uniden SDS100 owners. Private group so you’ll need to request access.

Uniden SDS100 scanner discussion group.

Uniden SDS100 Yahoo Groups page. There are two Uniden SDS100 Yahoo Groups.

Uniden SDS100 forum thread on Scan Riverside.

Download Sentinel software for the SDS100 free. Not sure if you want to program on your own? Download the software that comes with the SDS100 (Sentinel) for free and test drive.

› User generated Simulcast report from around the US. This is a google doc that provides an apples-to-apples comparison for all the different scanner models and how they handle simulcast in specific areas and different networks. While not the prettiest, this the best, most up to date, unbiased information.

› SDS100 simulcast discussion on a Radio Reference thread where SDS100 owners discuss simulcast issues, Unication vs SDS100 and more.

› SDS100 review from an Australian POV from someone how purchased from us.

› Have something you think we should add here? Awesome! Send it on over and we'll add: [email protected]


The new Uniden SDS100 comes with Sentinel software like other Uniden scanners including 436, 536 & HP2. While there is a version of Sentinel Software for each scanner, they operate the same. The SDS100 includes Sentinel Software (download free SDS100 software here). Watch our Uniden Sentinel software programming video here or above in video gallery.

Police Scanner Programming FAQ

What is 'One Touch Start Up'?

Adding this with programming allows our technicians to make hardware, software & frequency updates prior to shipping your scanner. You can buy only the programming which will give you everything needed to listen in your area but 'one touch start up' ensures a smooth experience right from the start with zero technical know-how. 'One touch start up' is popular with gifts as this allows the scanner to simply 'work' by powering on.


How long does this take?

Programming adds 1-2 additional business days to delivery.


What if this does not work?

We have a 100% money back guarantee if you’re not happy with your programming.


How are you so much cheaper than other scanner programming places?

We’re awesome.


Can you program X, Y, Z?

We can program anything that is in Radio Reference. If you have frequencies that are not in Radio Reference, as long as you can put them in a CSV file, we can program them.


What if I need help?

We’re always here to help.


Can I programming this scanner myself?

We created a programming decision tree as well as programming videos (above) to help you decided on whether you should include professional programming with your scanner but we HIGHLY recommend adding programming.


Can't I just punch in my zip code for programming?

When you type in your zip code, it scans EVERYTHING in your area, which is kinda like getting the phone book thrown at you. This is why over 95% of orders include programming & why we highly recommend. Our professional programming filters the junk out so you don't have to listen to things such as the dog catcher, repo guy, power company & such.


How long does programming take?

It takes our scanner tech over an hour to program each scanner & this is ALL he does. For new & moderate scanner users we estimate 3-12 hours of programming. Setup time varies wildly based on scanner, area as well as scanner & general tech familiarity.


Why should I buy programming?

Programming is the #1 reason police scanners are returned. While scanner programming is much easier than the days of crystal scanners, there is a learning curve like any other electronics purchase. While some scanner enthusiasts are highly technical and want to learn the ins and outs of programming, others want their scanner to just ‘work’ right out of the box. 95% of all scanner sales include programming, so unless you’re familiar with scanners, scanner terminology, own a PC (Mac’s do not work), and want to learn the nuances of programming, we highly recommend having your scanner professionally programmed. Scanner technology is fairly user friendly, but scanners are not smartphones or iPads. If you're spending hundreds on a scanner; we recommend springing a few extra bucks so it works right out of the box.


Can't you teach me programming with your lifetime technical support?

No. Lifetime technical support is not unlimited technical support. We are always here to help, love to do so. We made how to videos and can help point you in the right direction, but we will not teach programming.

Pro Tips

Start up tips once you have your Uniden SDS100.

First Steps

› Install battery pack, plug cable (included) into the scanner’s USB mini port, other end into PC computer.
› Power on by pressing the power button (bottom right on keypad) for 2+ seconds.
› When prompted, select ‘Mass Storage’ mode.
› Run Sentinel software.
› Follow prompt to update firmware & database.

Initial Settings

› Tap scroll (knob on top of scanner) to display volume. Turn (within 3 seconds) to adjust.
› Tap scroll again to close volume (or wait 10 seconds).
› Press ‘Func’ then tap scroll to display the squelch.
› Tap scroll again to close the squelch.
› To begin scanning, press the ZIP SERVICES button to select your country & zip/postal code. Scanner loads channels in your area from the database & starts scanning.

How to Avoid Frequencies?

› Press AVOID (bottom left button) once to temporarily avoid the current channel/frequency.
› Press AVOID twice to permanently avoid the current channel/frequency.

During scan, or scan hold:

› Press SYSTEM (upper left button) then tap AVOID once (for temporary avoid) or AVOID twice (for permanent avoid).
› Press DEPT, then tap AVOID once (for temporary avoid) or AVOID twice (for permanent avoid).

How to Adjust Volume?

› Tap scroll to display volume level.
› Turn scroll (within 3 seconds) to adjust.

Replay & Record

› Press FUNC then REPLAY/RECORD to start/stop recording.
› Press & hold REPLAY/RECORD to view recordings.

Enter Zip/Postal Code

Sets location as center of a zip/postal code (not exact location) & default scan range of 10 miles.

› Sets location as center of a zip/postal code (not exact location) & default scan range of 10 miles.
› Press ZIP SERVICES to enter your zip/postal code.
› Select your country (USA or Canada) & press E/YES.

Auto Locate

Allows monitoring of any Motorola or P25 system that is in your area & Radio Reference. This sets the center of the discovery radio tower as your location (not your exact location) & a default scan range of 30 miles.

› Press E/YES or ./NO to accept location. Press MENU to cancel.

Set Manual Location

Set your exact location & a default scan range of 0 miles. You can then edit the location name & save location. Using keypad, enter your latitude & longitude.

› Press ./NO to toggle N or S, & press E/YES. Using the keypad, enter your longitude.
› Press ./NO to toggle E or W, & press E/YES.

Set Range

Override default range for your location to increase/decrease number of channels received when scanning from database & favorites lists (when location control enabled).

› Enter the range (0-50) & press E/YES.

How to Delete Location?

Last location set will be saved when scanning database.

› At Confirm Delete?, press E/YES or ./NO.

Menu Reference

› See pages 24-32 in Uniden SDS100 Owner's Manual.

Managing Favorites Lists

Favorites Lists hold all custom Systems, Sites, Departments, & Channels. Some system, department, & channel options are only available for specific types of systems. Each option is tagged with the type(s) it applies to:

› See page 33 in Uniden SDS100 Owner's Manual for graphic.

System Settings

Some settings are only available for specific system types; MotoTRBO & DMR are optional, paid upgrades. Edit Name – Enter any name for system then press E/YES. Edit Sys Option:

› See page 34 in Uniden SDS100 Owner's Manual.

Edit Unit ID PMDE

› Unit ID must be set to On in the Display Options menu to view Unit IDs.
› Select a Unit ID or New Unit ID, then press E/YES.

If New Unit ID selected, enter Unit ID & press E/YES. Then, set following:

› Edit Name: Choose name to be displayed for the Unit ID
› Edit Unit ID: Edit Unit ID Number.
› Set Alert:

Set Alert Tone: Alert 1-9 or Off.

› Set Level Level: 1-15 or Auto (the master volume level)
› Set Alert Light: Off, Blue, Red, Magenta, Green, Cyan, Yellow, or White.
› Set Alert Pattern: On, Slow Blink, or Fast Blink.

Delete Unit ID: At ‘Confirm Delete?’ press E/YES or ./NO.

Display Customization

To control colors & items displayed select:

›  MENU - Display - Options Customize

Customizable Items:

› Simple Conventional
› Simple Trunk
› Detail Conventional
› Detail Trunk
› Search/CC Mode
› Weather Mode
› Tone Out Mode

Display Customization Tips

› During scan, switch between Simple & Detail display modes by holding on channel & pressing F+DISP.
› Some display modes or display fields only allow you to change the colors.
› Trunking/Conventional modes share the same display field colors, but each scan mode can display different data items.
› Every possible data item cannot fit into all the different display fields.
› After selecting a display mode to customize, a sample of display appears. Rotate scroll to highlight modify area, press appropriate soft key to change attribute:
› Item: Change item displayed in field.
› T-Color: Change text color in field.
› B-Color: Change background color field.

When selecting one of the above, the display will switch to showing the available options. Select the option to use, then press E/YES to return to the sample display.

This confused? No biggie, this is why we have lifetime tech support. Chat with an SDS100 expert.


Use spaces to separate tags. Use single quotes (') for phrases.

Customer Reviews (78)

wallace boyceReview by wallace boyce
Review Rating
wallace boyce (Posted on 4/23/2019)
Yankee blueReview by Yankee blue
Review Rating
We can help you find exactly what you're looking for. Fast service is part of our job. Thanks for the great review Yankee! (Posted on 4/23/2019)
Dawn BeasleyReview by Dawn Beasley
Review Rating
Dawn Beasley (Posted on 11/27/2018)
Tom ClarkReview by Tom Clark
Review Rating
You guys have done it again, I ordered another scanner from you (SDS100) on Friday evening, you programmed it and shipped it out on Saturday afternoon, here it is Monday morning in California and my scanner is already here ! You all are amazing, I will continue to order from your company. Thank you for such great service. (Posted on 11/26/2018)
Gary LawhornReview by Gary Lawhorn
Review Rating
Gary Lawhorn (Posted on 11/22/2018)
FireReview by Ghost
Review Rating
I love the scanner great for a guy on the GO! (Posted on 11/21/2018)
Seems like a great place to buy from.Review by Mark Allen
Review Rating
Seems like a great place to buy from. Really into their customer service and they seem to be very knowledgeable about the products they sell and how they work. They want you to be happy with the whole experience from buying to being around later for you. Getting a scanner that's already programmed and all you have to do is turn it on is a big plus if you're new to the scanners or don't want to dive into all that from the start. Highly recommended. (Posted on 11/20/2018)
Lindsey ButcherReview by Lindsey Butcher
Review Rating
Love my TRX1! The guys at Zip Scanner did a fantastic job programming my scanner, works right out of the box! Great experience!!! (Posted on 11/1/2018)
Nicholas CriscilloReview by Nicholas Criscillo
Review Rating
Every thing was perfect except for the sma-bnc adaptor was not in the box. (Posted on 11/1/2018)
Uniden SDS100Review by Michael G
Review Rating
First off, the customer service is excellent. The pricing from zipscanners on this unit is as low as it gets. The Scanner itself is an incredible and technical piece of electronic equipment. I would recommend this product to anyone who is looking for that "next level" in handheld scanning. Super speedy shipment as well as awesome interaction from the staff. It was a pleasure to purchase from a company that not only sells something but, also gives the customer service to go with it. The Scanner itself has a very user friendly set-up. The free downloadable Sentinel software from Uniden's website is also very useful and logical. You can find a variety of Youtube videos on this. If your new to this, you might want to have Zipscanners program the scanner for you. You might also consider purchasing a variety of antennas for different band scans that will provide you with a more detailed and cleaner listening experience to suit your needs and area of service. ie: 2 meter/70cm antenna for analog, Remtronic antenna for 700-900mhz., etc...
I would absolutely purchase from this company again in the future.
Thanks Zipscanners!
Michael from Palmdale, CA. (Posted on 10/29/2018)
First scanner ever, very pleasedReview by Jeff Dafoe
Review Rating
I've always wanted a scanner but it was too pricey of a toy and I wasn't sure if I'd use it or not. I found out about the $20 SDR-RTL dongles and bought one of those. I used it with a laptop and Unitrunker to monitor local P25. After using it for about a year and really enjoying it, most of our area moved to P25 P2 about a month ago. Unitrunker won't deocde P2 so I went ahead and bought this scanner. WOW - it is WAY better than the cheap dongle. It picks up P25 P2 with no problems at all, picks up the local airport and regional flight control, picks up our local utility, and basically all-around blows away the dongle for both range and clarity. It's also much, much easier to program than I expected. I'm really happy with the purchase. (Posted on 10/25/2018)
First LastReview by First Last
Review Rating
Scanner works great, menu is a bit difficult to maneuver, and instruction book leaves a bit to be desired in explaining the menu, at least for me, maybe it's me. (Posted on 10/24/2018)
Thomas FlauteReview by Thomas Flaute
Review Rating
Thomas Flaute (Posted on 10/24/2018)
Review Rating
Scanner shipped very quickly, no problems at all. (Posted on 10/23/2018)
Christine ScholtzReview by Christine Scholtz
Review Rating
Christine Scholtz (Posted on 10/18/2018)
Three PercenterReview by Three Percenter
Review Rating
Purchased here due to reputation. They definitely deserve the rave reviews I read, they earned one from me also. Exceptional knowledge and procurement of item to me. I got the program 2 counties and one press start options (I’m new to scanners and this is my first one) and in 30 seconds out of the box I was happily scanning my city, with zero issues. Highly recommend, these guys and gals are top shelf. (Posted on 10/16/2018)
Jason HoodReview by Jason Hood
Review Rating
Jason Hood (Posted on 10/16/2018)
goodReview by Mikael
Review Rating
good (Posted on 10/16/2018)
Craig EwaldReview by Craig Ewald
Review Rating
Very friendly very knowledgeable very easy to work with everything I've ordered from them it's been great their support is awesome. (Posted on 10/11/2018)
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