The AE6A1950/2140F60DCA from Vanlong is a RF Duplexer with Frequency 1.92 to 2.17 GHz, Band 1 1.92 to 1.98 GHz, Band 2 2.11 to 2.17 GHz, Insertion Loss 2.5 to 2.8 dB, Attenuation 40 to 48 dB. Tags: Surface Mount. More details for AE6A1950/2140F60DCA can be seen below.