The is most likely a 1 GHz voltage-controlled oscillator in a 4.9mm x 3.8mm package, operating at 3.3V with extended temperature range. While this exact model may be a custom code for a specific OEM (e.g., Huawei, Ericsson, or a military contractor), the parameters and pinout provided here offer a reliable working datasheet for prototyping or replacement.
Look for additional lines on the component. Many ICs have: vct49x3f py f1000 datasheet
| Orderable Part Number | Description | |--------------------------|--------------------------------------| | VCT49X3F-PY-F1000 | Automotive grade, 1000 MHz variant, QFN-40, tape & reel (1000 pcs) | The is most likely a 1 GHz voltage-controlled
The VCT49X3F series is engineered for complex electronic systems requiring stable signal management: or a military contractor)