Crystal 11.955 for Browning and Tram Mobiles Crystal 11.955 MHz for Browning and Tram 23 channel Mobiles. These are original NKD crystals us in both Browning and Tram 23 channel mobiles made by Toshiba. (Crystals will be listed by there frequency in MHZ i.e. 16.000 as the part number, if there is another crystal with the same frequency as these we add NKD to the frequency as the part number. To help control inventory we limit the inventory of crystals available. If you find what you need is not available please contact us, we may be able to increase the inventory or let you know when more will be available.)