[E-Comm & CREST Public Safety Radio In-building Amplification System. Designs, Installation, Testing, Certification- www. Positronics support the E-Comm radio amplification bylaws with compliant BDA & DAS systems & designs. Systems meet all Industry and City Standards. Surrey bylaw 19108, North Vancouver bylaw 6957, District of North Vancouver 8272 , Langley bylaw 5319, PoCo, Port Moody, Burnaby bylaw 13888, Saanich, Sidney,Colwood,Delta]