You are buying  2pcs of Triquint Qorvo 857193 SAW Filter 725.5MHz 45MHz BW 4dB IL

Features:
 Usable bandwidth of 45 MHz
 For wideband applications
 Low Loss
 Single-ended operation
 Matching required for operation at 50Ω
 Small Size: 3.00 x 3.00 x 1.22 mm
 Ceramic Surface Mount Package (SMP)
 Hermetically sealed
 RoHS compliant (2002/95/EC), Pb-free
 

Description:
857193 is a general purpose Uplink filter for Band 28.
This filter was specifically designed in a 3x3mm
hermetic package for base station applications and is
part of our wide portfolio of RF filters in the same
package.
Low insertion loss, coupled with high attenuation and
excellent power handling, makes this filter a natural
choice for our customers’ Uplink RF filtering needs.