41774259081336_page_68

41774259081336 | page 68 | https://thedailydialectics.com/pdfs/FIOA/41774259081336/41774259081336.pdf

Page 63 PART Iii SPEECH SECURITY EQUIPMENTS. 8. . Vocoder Systems. (a) BANGLE. Single channel duplex fixed plant speech security system for use over land/or iong distance HF radio. Requires one 5 Ke or two 3 Ke transmission chennels. Uses a 12 channel vocoder (10 spectrum and 2 independent pitch…