As you asking for the Dongle Twin I SAT product description the product description are as follow :

Features :
Full HD 1080p Hybrid Receiver with Dual Linux OS
Dual Boot DVB-S/DV-S2 operating system support for Spark
Alphanumeric VFD Display
Electronic Program Guide (EPG)
DiSEqC 1.0, 1.1, 1.2 and USALS compatible
S/PDIF for PCM Audio, Dolby Digital and DTS
MPEG-Fully DVB-S / DVB-S2 / DVB-T (optional) / DVB-C (optional) HD compliant
Interactive Web Applications right on your Television
Youtube, SHOUTcast, Picasa, Twitter, Google Talk!, RSS Reader, and much more!
Opera Web Browser with FlashLite
USB WiFi Connection & 3G Internet Modem Support
USB Wireless Keyboard & Mouse Support

Technical Specification :

SYSTEM RESOURCES
Main Processor: STi7162 450MHz CPU
TUNER / FRONT-END
Tuner Type: DVB-S / DVB-S2
Input Connector: F-type, Connector, Female
Loop Through: F-type, Connector, Female
Signal Level: -65 to -25 dBm
LNB Power & Polarization: Vertical: +13V/+14V, Horizontal: +18V/+19V, Current: Max. 500mA, Overload Protection 22KHz Tone: Frequency: 22±1KHz
DiSEqC Control: Amplitude: 0.6±0.2V, Version 1.0, 1.1 1.2, USALS Available
Demodulation: QPSK, 8PSK
Input Symbol Rate: 2-45 Mbps,
Convolution Code Rate 1/2, 2/3, 3/4, 5/6,7/8,1/4,1/3,2/5,3/5,4/5,8/9,9/10 and Auto
Tuner Type: DVB-T / DVB-C
Input Connector: IEC type, Connector, Female
Loop Through: IEC type, Connector, Male,
Frequency Range: 47 - 862MHz
Bandwidth: 7/8MHz
Demodulation: QAM, COFDM 2K/8K
Constellations: QPSK, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM
Guard Interval: 1/4, 1/8, 1/16, 1/32
FEC Decoder: 1/2, 2/3, 3/4, 5/6, 7/8, K=7

POWER SUPPLY
Input Voltage: Free Voltage (100~240V AC, 50/60Hz)
Power Consumption: 20W MAX (<1W in Stand-By Mode) MPEG TS A/V Decoding
Transport Stream: MPEG-2, H.264
Input Rate: Max.120Mbit/s
Aspect Radio: 4:3, 16:9, Letter Box
Video Decoding: MPEG-2, MP@ML, MPEG-4 part 10/H264
Video Resolution: 720*480P/I, 720*576P/I, 1280*720p,1920*1080i, 1920*1080p
Audio Decoding: MEPG-1 layer I/II, Mpeg2 layerII, Dolby Digital, DTS
Audio Mode: Left / Right / Stereo/ Mono
Sampling Rate: 32, 44.1 and 48KHz

Price: 30.0~40.0 USD