Tektronix rsa300case soft carrying case with shoulder strap for rsa306 tektronix rsa300case p the tektronix rsa300case is a soft carrying case specifically designed to provide travel and storage protection for the tektronix spectrum analyzer rsa306 the case protects instruments from shock vibration and moisture and provides room for associated accessories such as probes and adaptors p p the carrying case is supplied with a shoulder strap p tektronix rsa300case soft carrying case wi