Siretta alpha adhesive mounting antennae siretta alpha83mfmefss1 the alpha 8 is an ip66 rated flat blade quad band gsm and 3g antenna well suited to a wide variety of environments and applications its slim low profile design means it will fit discreetly onto most surfaces whether that be on top of an energy meter or on the side of telemetry equipment the body of the alpha 8 is fully sealed so that an ip66 rating is achieved making this waterproof quad band and 3g antenna ideal for