To be used for SDR the demodulator must be the Realtek RTL2832U but the tuner chip may vary. The Elonics E4000 tuner is considered the best for SDR use, due to its largest FrequencY span (52 to 1088 plus 1252 to 2174 MHz typical).
lsusb 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
cat<<EOF | sudo tee /etc/udev/rules.d/99-rtl-sdr.rules
# Realtek Semiconductor Corp. RTL2838 DVB-T
SUBSYSTEMS=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838", MODE:="0666", GROUP="adm", SYMLINK+="rtl_sdr"
EOF
sudo udevadm control --reload-rules
sudo apt-get installl rtl-sdr
rtl_fm -M wbfm -f 94M | play -r 32k -t raw -e s -b 16 -c 1 -V1 -
sudo apt-get install gqrx-sdr gqrx
2304:0237 Pinnacle Systems, Inc. PCTV 73e [DiBcom DiB7000PC]