I don't have much info here, so please feel free to jump in and help:

Xtreamer Sidewinder is one of three configurations of Xtreamer's original media player.

All three can play media (movies, music and photos) from a local wired or wireless network, or from an attached USB device.

The main difference between the three are in the physical dimensions of the device, and an additional internal storage option: The small and fan-less Sidewinder has room for one 2.5" internal hard disk;
Technical Specifications

Chipset Ralink RT3070 Single Chip
Standards IEEE 802.11n (draft 2.0), IEEE 802.11g, IEEE 802.11b, Cisco CCX support, CSMA/CA with ACK
Wireless Signal Rates With Automatic Fallback 11n (20MHZ): MCS0-7 (upto 72Mbps)
11n (40MHZ) : MCS0-7 (upto 150Mbps)


11g: 54/48/36/24/18/12/9/6M(adaptive)
11b: 11/5.5/2/1M(adaptive)
Frequency Range 2.4-2.4835GHz
Wireless Transmit Power 20dBm(MAX)
Modulation Type OFDM/CCK/16-QAM/64-QAM
Receiver Sensitivity 270M: -68dBm@10% PER
130M: -68dBm@10% PER
108M: -68dBm@10% PER
54M: -68dBm@10% PER
11M: -85dBm@8% PER
6M: -88dBm@10% PER
1M: -90dBm@8% PER
Security 64/128 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES)
Interface USB 2.0 Hi-Speed, USB 1.1
Antenna Type Internal Omni-directional Antennas
Certifications CE, FCC
Operating Temperature 0�C~40�C (32�F~104�F)
Storage Temperature -40�C~70�C (-40�F~158�F)
Relative Humidity 10% ~ 90%, non condensation
Storage Humidity 5%~95% non-condensing
Dimensions 15 x 15 x 155 mm
Optional Package Content USB Wireless antenna* Streaming video over WiFi under best condition only able to achieve up to 10Mbps.