Uniden
Uniden True I/Q SDS100 Digital Handheld Scanner
Best high-performance scanner for serious radio enthusiasts and emergency monitoring professionals.
Experience unparalleled digital radio scanning with the Uniden SDS100 True I/Q Scanner. As the first scanner to utilize Software Defined Radio (SDR) technology, it delivers exceptional performance, even in challenging RF conditions. Customize your viewing with a vibrant color display and rely on its rugged, JIS4 (IPX4) water-resistant build. This advanced scanner supports P25, DMR, and NXDN digital protocols, features Trunktracker X, and includes Close Call RF Capture. With PC programming and up to 8 hours of LiIon battery life, it's ideal for both desktop and field operations.
$699.99
More SDS Options
Owner Satisfaction
4.5
/ 5
Category Rank
8
/ 88
#8 in Radio Scanners
Price vs Category Average
+34%
Above average
Technology
Software Defined Radio (SDR)
/ Software Defined Radio (SDR)
Who it's for
- Urban radio enthusiasts dealing with heavy signal interference
- Serious hobbyists requiring future-proof digital format compatibility
- Field operators needing rugged gear with high-visibility data
Who should skip it
- Casual listeners seeking an affordable entry-level device
- Beginners intimidated by complex technical programming requirements
- Users needing extended runtime for long-duration field monitoring
Performance breakdown
Signal Decoding Precision
True I/Q technology masters complex digital signals in challenging RF environments.
Protocol Versatility
Comprehensive support for P25, DMR, and NXDN covers virtually all modern systems.
Build Durability
Rugged IPX4 water resistance ensures reliable operation in harsh outdoor conditions.
Interface Customization
Vibrant color display allows users to tailor data layouts for quick scanning.
Field Portability
Compact handheld design is ideal for mobile use despite modest battery life.
Programming Complexity
Advanced features require a learning curve best managed via PC software.
Key Specs
Technology
Software Defined Radio (SDR)
Water Resistance
JIS4 (IPX4) compliant
Battery Life
8 hours
Storage
8 GB microSD card
Frequency Coverage
25-512 MHz, 758-824 MHz, 849-869 MHz, 894-960 MHz, 1240-1300 MHz
Supported Protocols
APCO P25 Phase I & II, DMR, NXDN
Connectivity
USB Connectivity
Decoding Support
CTCSS/DCS/NAC/RAN/Color Code Decoding
Features
- Groundbreaking SDR technology for superior digital performance.
- Customizable color display for personalized interface.
- JIS4 (IPX4) water resistance for durability.
- Advanced Trunktracker X system management.
- Wide digital protocol support (P25, DMR, NXDN).
- Close Call RF Capture with Do Not Disturb.
- Recording, playback, and replay functions.
- USB connectivity for PC programming.
What customers say
The Uniden SDS100 is recognized as the leading digital handheld scanner, earning high praise from dedicated hobbyists for its superior performance. Users consistently highlight the groundbreaking True I/Q technology, which significantly enhances reception and decoding of difficult digital signals, especially in complex urban settings. Its versatility is supported by extensive format compatibility, making it highly adaptable. While the performance is unparalleled, the primary drawbacks are its premium cost and complexity. The scanner demands a steep investment, making its value questionable for casual users who may struggle with the extensive programming requirements. Despite these hurdles, the consensus is that for those needing top-tier digital signal intelligence, the SDS100 justifies the expense through unmatched capability.
Know before you buy
The SDS100 is the first handheld scanner to use Software Defined Radio (SDR) technology. This allows it to better handle complex digital signals and perform reliably in challenging RF environments where traditional scanners might struggle with signal distortion.
Yes, the SDS100 supports a wide range of digital protocols, including APCO P25 Phase I and II, DMR, and NXDN. It is designed to handle modern trunking systems used by public safety and utility services.
Yes, the device is JIS4 (IPX4) water-resistant, meaning it is protected against splashing water from any angle. While it is durable enough for field use, it is not fully waterproof and should not be submerged.
The SDS100 features USB connectivity for PC programming. You can manage your channels, systems, and settings using compatible software on your computer, which is much more efficient than manual entry.
Close Call RF Capture instantly detects and tunes to strong nearby radio signals without needing to know the frequency beforehand. The 'Do Not Disturb' mode ensures the scanner only interrupts your current activity when a signal is strong enough to be clear.
The included rechargeable battery pack provides approximately 8 hours of operation. For extended use, you can also power the unit via its USB connection.
Yes, the SDS100 includes built-in recording and playback functions. It saves audio to the included 8 GB microSD card, allowing you to replay missed transmissions at your convenience.
Still have a question?
Ask Hayley anything about this product before you decide.