The SA3911091G90AT is a high-performance Surface Acoustic Wave (SAW) Bandpass filter specifically designed for TD-LTE applications. It operates within the 1.88GHz-1.92GHz frequency range, offering low insertion loss in Band 39 and high rejection in adjacent cellular bands, making it ideal for mobile devices. This filter utilizes advanced Chip Scale Package (CSP) technology and is housed in an industry-standard, 5-pin 1.1 mm x 0.9 mm package with a low profile of 0.6mm max.
| Parameter | Conditions | Min | Typ. | Max | Unit |
| Insertion Loss | 1880-1920 MHz | - | 1.3 | 1.7 | dB |
| Attenuation | 10 1710 MHz | 37 | 43 | - | dB |
| Attenuation | 1710 - 1805 MHz | 33 | 35 | - | dB |
| Attenuation | 1805 1840 MHz | 31 | 32 | - | dB |
| Attenuation | 1840 1850 MHz | 31 | 32 | - | dB |
| Attenuation | 2000 - 2110 MHz | 45 | 47 | - | dB |
| Attenuation | 2100 - 2200 MHz | 45 | 48 | - | dB |
| Attenuation | 2200 - 3000 MHz | 35 | 38 | - | dB |
| VSWR (input) | - | - | 1.7 | 2 | - |
| VSWR (output) | - | - | 1.7 | 2 | - |
| Operating Temperature | - | -30 | - | +85 | C |
| Storage Temperature | - | -40 | - | +85 | C |
| Maximum Input Power | - | - | - | +29 | dBm |
| Maximum DC Voltage | - | - | - | 5 | V |
| Input terminating impedance | - | - | 50 | - | |
| Output terminating impedance | - | - | 50 | - |