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Product details
Manufacturer	NooElec
Model	NESDR SMArt XTR Bundle
SKU	100723
Quantity	NESDR SMArt XTR SDR w / brushed aluminum enclosure Antenna base w / 2m RG58 cable Telescopic antenna mast (variable frequency) 433MHz (ISM) antenna mast (fixed frequency, 10.5 ") UHF antenna mast (fixed frequency, 4.5 ")

Technical details
Installation guide & software
RTL-SDR Project
RTL-SDR subreddit
Applications	SDR, DVB-T
Interface IC	Realtek RTL2832U
IC tuner	Elonics E4000
Clock Accuracy	0.5PPM (max)
Instantaneous bandwidth	2.4MHz (nominal); 3.2MHz (max)
Frequency range	65MHz-2300MHz (nominal)
Antenna input	Female SMA
Dimensions (SDR only)	17mm x 14mm x 65mm

Product information
You spoke, we listened! This premium RTL-SDR was designed, developed and fabricated by NooElec in the USA and Canada in order to implement a wide array of feature requests. Compared to R820T-based devices, this E4000-based SDR excels at sensitivity at <500MHz and >1500MHz, and is capable of far higher frequencies, up to approximately 2350MHz. There is a small gap in frequency capability near 1100MHz. As such, we do NOT recommend this device for ADS-B usage. For ADS-B applications, consider the NESDR SMArt instead, NooElec SKU 100700. SDR improvements The NESDR SMArt XTR contains the same ultra-low phase noise 0.5PPM TCXO used in our much smaller Nano 2+ (TCXO specifications below), ensuring ultimate tuning stability in nearly any environment In the quest for lower noise, the power supply section was redesigned to implement an RF-suitable voltage regulator with under 10 µVRMS of noise. That is at least 10x lower than other designs! A quality shielded inductor was used in the power supply to improve EMI rejection The included aluminum enclosure ensures stray EMI stays where it belongs--away from the sensitive RF circuitry Lower board-level temperatures further improves the SDR noise floor Temperature improvements A custom heatsink is affixed to the primary PCB with 3M thermal adhesive, to wick heat away from the circuit board and towards the enclosure 2 separate silicone thermal pads spread the rest of the heat away from the device hot spots. Power consumption has been reduced by an average of 10mA, which means less heat is generated compared to other designs The result is much lower board-level temperatures--increasing stability, improving sensitivity and ensuring maximum frequency range capability. The changes were first simulated, and then field-tested with a Flir E8 Form factor improvements The NESDR SMArt was designed to minimize annoying USB port occlusion. We re-designed the SDR from the ground up to ensure the SMArt can be used side by side in any USB-compliant device, including tightly-spaced embedded devices. There is no need to remove the enclosure to run multiple SDRs beside one another! The form factor re-design allowed us to move to the more universal SMA antenna input Antenna improvements The included antenna has been redesigned with a wider base to ensure physical stability with the included longer telescopic antenna mast A stronger magnet in the antenna base facilitates a wide range of mounting options Low-loss RG58 feed cable is used instead of higher-loss RG316 and RG174 Feed cable increased to 2m (6.5') for easier installations Male SMA connector on the antenna cable for easy connectivity to the NESDR SMArt and other SMA-input RF devices Three antenna masts are now included! A telescopic mast with a variable frequency capability, a fixed frequency 433MHz (ISM) antenna mast, and a fixed frequency UHF (GSM) antenna mast Included ✔ NESDR SMArt XTR SDR in silver brushed aluminum enclosure ✔ Antenna base w/ 2m RG58 cable ✔ Telescopic antenna mast (variable frequency capability) ✔ 433MHz (ISM) antenna mast (10.5", fixed frequency) ✔ UHF antenna mast (4.5", fixed frequency) SDR Clock (TCXO) Specifications ✔ Frequency stability: 0.5PPM (max) ✔ Phase noise @1kHz offset: -138dBc/Hz (or better) ✔ Phase noise @10kHz: -150dBc/Hz (or better) ✔ Phase noise @100kHz: -152dBc/Hz (or better) SDR Features ✔ RTL2832U Demodulator / USB interface IC ✔ Elonics E4000 tuner IC ✔ 0.5PPM, ultra-low phase noise TCXO ✔ 2 RF-suitable voltage regulators ✔ Shielded primary inductor ✔ Integrated custom heatsink ✔ 2 silicone pads ✔ Female SMA antenna input ✔ High-quality silver brushed aluminum enclosure ✔ Frequency capability approximately 65MHz-2300MHz, with small frequency gap near 1100MHz Antenna features ✔ Wide base with super-strong magnet within base for easy mounting ✔ Low-loss RG58 feed cable ✔ 2m (6.5 ') cable, twice as long as most low cost SDR antennae ✔ Heatshrinked male SMA connector for direct connection to the SDR or our other SMA-connected accessories like the Ham It Up

Product information

You spoke, we listened! This premium RTL-SDR was designed, developed and fabricated by NooElec in the USA and Canada in order to implement a wide array of feature requests.

Compared to R820T-based devices, this E4000-based SDR excels at sensitivity at <500MHz and >1500MHz, and is capable of far higher frequencies, up to approximately 2350MHz. There is a small gap in frequency capability near 1100MHz. As such, we do NOT recommend this device for ADS-B usage. For ADS-B applications, consider the NESDR SMArt instead, NooElec SKU 100700.

SDR improvements

The NESDR SMArt XTR contains the same ultra-low phase noise 0.5PPM TCXO used in our much smaller Nano 2+ (TCXO specifications below), ensuring ultimate tuning stability in nearly any environment
In the quest for lower noise, the power supply section was redesigned to implement an RF-suitable voltage regulator with under 10 µVRMS of noise. That is at least 10x lower than other designs!
A quality shielded inductor was used in the power supply to improve EMI rejection
The included aluminum enclosure ensures stray EMI stays where it belongs--away from the sensitive RF circuitry
Lower board-level temperatures further improves the SDR noise floor

Temperature improvements

A custom heatsink is affixed to the primary PCB with 3M thermal adhesive, to wick heat away from the circuit board and towards the enclosure
2 separate silicone thermal pads spread the rest of the heat away from the device hot spots.
Power consumption has been reduced by an average of 10mA, which means less heat is generated compared to other designs
The result is much lower board-level temperatures--increasing stability, improving sensitivity and ensuring maximum frequency range capability. The changes were first simulated, and then field-tested with a Flir E8

Form factor improvements

The NESDR SMArt was designed to minimize annoying USB port occlusion. We re-designed the SDR from the ground up to ensure the SMArt can be used side by side in any USB-compliant device, including tightly-spaced embedded devices. There is no need to remove the enclosure to run multiple SDRs beside one another!
The form factor re-design allowed us to move to the more universal SMA antenna input

Antenna improvements

The included antenna has been redesigned with a wider base to ensure physical stability with the included longer telescopic antenna mast
A stronger magnet in the antenna base facilitates a wide range of mounting options
Low-loss RG58 feed cable is used instead of higher-loss RG316 and RG174
Feed cable increased to 2m (6.5') for easier installations
Male SMA connector on the antenna cable for easy connectivity to the NESDR SMArt and other SMA-input RF devices
Three antenna masts are now included! A telescopic mast with a variable frequency capability, a fixed frequency 433MHz (ISM) antenna mast, and a fixed frequency UHF (GSM) antenna mast

Included

✔ NESDR SMArt XTR SDR in silver brushed aluminum enclosure
✔ Antenna base w/ 2m RG58 cable
✔ Telescopic antenna mast (variable frequency capability)
✔ 433MHz (ISM) antenna mast (10.5", fixed frequency)
✔ UHF antenna mast (4.5", fixed frequency)

SDR Clock (TCXO) Specifications

✔ Frequency stability: 0.5PPM (max)
✔ Phase noise @1kHz offset: -138dBc/Hz (or better)
✔ Phase noise @10kHz: -150dBc/Hz (or better)
✔ Phase noise @100kHz: -152dBc/Hz (or better)

SDR Features

✔ RTL2832U Demodulator / USB interface IC
✔ Elonics E4000 tuner IC
✔ 0.5PPM, ultra-low phase noise TCXO
✔ 2 RF-suitable voltage regulators
✔ Shielded primary inductor
✔ Integrated custom heatsink
✔ 2 silicone pads
✔ Female SMA antenna input
✔ High-quality silver brushed aluminum enclosure
✔ Frequency capability approximately 65MHz-2300MHz, with small frequency gap near 1100MHz

Antenna features

✔ Wide base with super-strong magnet within base for easy mounting
✔ Low-loss RG58 feed cable
✔ 2m (6.5 ') cable, twice as long as most low cost SDR antennae
✔ Heatshrinked male SMA connector for direct connection to the SDR or our other SMA-connected accessories like the Ham It Up