2.4mm-SMA Series Adapter 

Key performance
Characteristic impedance: 50 Ohm 
Frequency range: DC~25GHz

VSWR: DC~25GHz 1.2max

Connector durability: 700 cycles

Temperature range: -60? ~+165?

Applicable spec/std: MIL-STD-348A

Material
Bodies Stainless steel (Japan SUS303), Passivated

Center contacts: beryllium copper, gold plated