The Mini RTL-SDR Dongle is a compact, pocket-sized software-defined radio receiver housed in a premium CNC-machined aluminum alloy enclosure. Measuring just 54 × 26 × 10 mm, it packs the full RTL-SDR feature set — wide frequency coverage, TCXO precision, 5V bias tee, and HF direct sampling — into a USB-C form factor built for portability and durability.
Whether you're scanning radio frequencies, decoding aircraft transponders, analyzing spectrum, or receiving GPS signals, this dongle delivers professional-grade SDR performance in your pocket.
Key Features
RTL2832U + R860 Tuner
100 KHz – 1.74 GHz
- RTL2832U demodulator chipset
- R860 wideband tuner
- Covers HF, VHF, UHF and L-band
- Ideal for ADS-B, NOAA, FM, ATC, and more
TCXO Oscillator
Near-zero temperature drift
- Temperature-compensated crystal oscillator
- 1 PPM max. initial offset, 0.5–1 PPM temperature drift
- Accurate tuning across operating temperatures
- Significantly reduces frequency drift vs standard XO
- Essential for stable decoding and narrow-band reception
5V Bias Tee
Power LNAs via coax
- 5V bias tee injected through the coax cable
- Powers LNA4ALL, HABAMP, ADS-B LNA and more
- Powers active antennas without a separate supply
- Software-controllable on/off
- LED status indicator on the side
HF Direct Sampling
100 KHz – 28.8 MHz
- Receive HF bands without an upconverter
- Covers 100 kHz – 28.8 MHz in direct sampling mode
- SW, MW, LW, amateur HF bands and more
- Enable via software (e.g. SDR#, GQRX, SDR++)
Aluminium Alloy Housing
CNC machined · 54 × 26 × 10 mm
- Full CNC-machined aluminium alloy enclosure
- Excellent RF shielding, reduces interference
- Passive heat dissipation for sustained operation
- Compact 54 × 26 × 10 mm — pocket-sized
- Robust construction for field use
USB-C Interface
Modern reversible connector
- USB-C connector — no more wrong-way plugging
- Compatible with modern laptops, tablets, and SBCs
- Works with USB-C to USB-A adapters
- Plug-and-play on Linux, Windows, and macOS
Applications
Aviation & Marine
ADS-B, ATC, AIS tracking
- ADS-B aircraft tracking (1090 MHz)
- Air traffic control voice (118–137 MHz)
- AIS marine vessel tracking (162 MHz)
Weather & Satellites
NOAA, GOES, Meteor-M
- NOAA weather satellite imagery (137 MHz)
- Meteor-M2 LRPT weather images
- GOES geostationary satellite data
Signal Intelligence
Spectrum analysis & decoding
- Trunked radio system monitoring
- ISM band & IoT signal analysis
- Pager decoding (POCSAG, FLEX)
- RF spectrum scanning & recording
⚡ Bias Tee: The 5V bias tee is disabled by default and must be enabled in software (SDR#, GQRX, SDR++, rtl_biast). The LED on the side indicates when bias tee power is active. Use with compatible LNAs and active antennas only — do not enable when connected to passive antennas without a DC block.
Specifications
| Tuner Chipset | RTL2832U + R860 |
| Frequency Range | 100 KHz – 1.74 GHz |
| HF Direct Sampling | 100 KHz – 28.8 MHz (no upconverter needed) |
| Oscillator | TCXO — 1 PPM max. initial offset, 0.5–1 PPM temperature drift |
| Bias Tee | 5V, software-controllable, LED status indicator |
| USB Connector | USB-C |
| Antenna Connector | SMA female |
| Housing | CNC-machined aluminium alloy |
| Dimensions | 54 × 26 × 10 mm |
| OS Support | Windows / Linux / macOS / Raspberry Pi |
| Software | SDR#, GQRX, SDR++, CubicSDR, GNU Radio and more |
The Mini RTL-SDR Dongle combines proven RTL2832U + R860 performance with a precision TCXO, software-controlled 5V bias tee, and HF direct sampling — all inside a CNC aluminum shell that fits in your shirt pocket. The USB-C interface makes it universally compatible with any modern device. Whether you're a beginner tuning into FM radio or an advanced user decoding satellite signals, this dongle is the definitive compact SDR tool.