Check the listing for details. NooElec NESDR SMArTee XTR SDR - Premium RTL-SDR w/Extended Tuning Range. Condition: New. Listed at 34.99 USD. NESDR SMArTee XTR SDR - Premium RTL-SDR w/Extended Tuning Range, Aluminum Enclosure, Bias Tee, 0.5PPM TCXO, SMA Input. RTL2832U Premium software defined radio NESDR SMArTee XTR in a beautiful silver brushed aluminum enclosureA wide variety of improvements on other designs, including integrated 4.5V 250mA bias-tee, ultra-low phase noise 0.5PPM TCXO, 2 RF-suitable voltage regulators, custom heatsink, 2 silicone pads and SMA female connectorDesigned from the ground up to reduce USB port occlusion. Run multiple NESDR SMArt series devices side-by-side with any USB-compliant device, including tightly-spaced embedded devices like the Raspberry PiSDR frequency capability approximately 65MHz-2300MHz. Frequency range can be extended down to 100kHz or lower with the Ham It Up, also available on Amazon (B009LQT3G6)Proudly built by Nooelec in the USA and Canada! Full 2-year product warranty.