LBT-1138                     38                  4.5～5.5V

internal shield , strong ability of anti-electromagnetism interference . high immunity against ambient light .

LBT-1338                    38                   2.7～5.5V

internal shield , more than 8ms data pause time codes are acceptable.

LBT-1538                    38                  2.1～5.5V

internal shield , can adapt to low-voltage 2.0V , strong ability of decoding , more than 8ms data pause time codes and burst length > 6 pulses codes are acceptable .

LBT-1638                    38                   2.1～5.5V

internal shield , high immunity against ambient light . more than 8ms data pause time codes are acceptable. 

LBT-1838                    38                   2.7～5.5V

internal shiels , high immunity against ambient light . applies to wide working voltage supply .

LBT-1836                    36                   2.7～5.5V

internal shield , the centre frequency is 36KHZ.

LBT-1840                    40                   2.7～5.5V

internal shield , the centre frequency 40KHZ.

LBT-1856                    56                   2.7～5.5V

internal shield , the centre frequency 56KHZ.