Patents and Registered Trademarks
U.S. Patent No. 4,611,197
U.S. Patent No. 4,843,374
Bureau of Security & Investigative Services
License # ACO1067
FCC ID (transmitter) KWE3383240001
FCC ID (receiver) KWE3383240002
CE Certificate # D03CE194
UL Approved # 12J2 E82456
SA Certified # LR84555