Siretta alpha adhesive mounting antennae siretta alpha1a3mbncmss11 the siretta alpha 1a3mbncmss11 is a self adhesive t bar gsm gprs 3g wifi amp ism antenna with a 3m rg174 cable terminated in a bnc male connectorwith its thin shaped design measuring 104 x 108 x 4mm this antenna will mount discreetly onto most surfaces whether on top of an energy meter or on the side of telemetry equipment this antenna will suit a variety of environments and applications with its adhesiv