I've got this tuner at Aitendo in Akihabara, costs 999 Yen (but before tax).

Jan 10 17:57:29 modena /netbsd: ugen0 at uhub1 port 7
Jan 10 17:57:29 modena /netbsd: ugen0: Realtek RTL2838UHIDIR, rev 2.00/1.00, addr 2

usbdevs -v

port 7 addr 2: high speed, power 500 mA, config 1, 
   RTL2838UHIDIR(0x2838), Realtek(0x0bda), rev 1.00, serial 00000001

But if you look at the photo (click to enlarge), the marking says
RealTek RTL2832U, And other LSI's are:
Rafael Micro R820T is on the right.
ATMEL 24C02N chip is top middle. Two-wire Serial EEPROM (2k, 256x8)

ATMEL 125
24C02N
SU27 D

Software Defined Radio

(SDR# distribution) (http://sdrsharp.com)

RTL2832U USBドングルをGNURadioで使う (Mac OS X)

(http://ttrftech.tumblr.com/post/33938677084/rtl2832u-gnuradio-macosx)

RTL2832UをDirect Sampling Modeで使いGNURadioで中波AMラジオを受信する

(http://ttrftech.tumblr.com/post/34789379592/receiving-am-broadcasting-with-rtl2832u-direct-sampling)

Prepravka DVB-T USB prijemnika sa RTL2832U za HF 0-28MHz

http://mikikg.wordpress.com/2012/08/22/prepravka-dvb-t-usb-prijemnika-sa-rtl2832u-za-hf-0-28mhz/

(http://yu3ma.net/wp/?p=370)

USBドングルによるSDRの実験 (JF7ELG, FT-37#77 0.3m/m holmal wire trifiler 10T)

(http://pub.ne.jp/jf7elg/?entry_id=5030196)

＠ とりあえずそのままで HDSDR: