This small Iridium patch antenna is meant for size-sensitive and portable applications. It is only 82mm x 80mm (3.25" x 3.10") and weighs just 25g (0.9oz)! The antenna has 3.1dBi of gain, a center frequency of 1620MHz, and a bandwidth of about 80MHz As this is a passive antenna, for most applications you will want to pair this with a quality LNA such as our SAWbird IR and SAWbird+ IR LNA modules (available on Amazon separately, product IDs B07K1KD4T9 and B07K1LW983 respectively) Full 2 year warranty directly through Nooelec