The 7627 chipset uses the Qualcomm gpsOne Gen 7 engine.  This provides -160dBm standalone sensitivity (so called tracking dBm). You can reference Qualcomm doc 80-VU455-1 B for this information if needed. Unfortunately due to the license agreement with Qualcomm, this actual document cannot be shared.

Thanks for this valuable information. It's better than expected as -160dBm. :)

ES400 and MC65 use integrated chip from Qualcomm MSM7627 , this combines CPU with  GSM-CDMA and GPS functionality.

Hello Herbert, Thanks for the answer. I was keeping the draft guide but I think the info in it  is wrong. So how can I be sure about the tracking sensitivity of this chipset. Is it better than -158dBm ?? I'm asking it for a tender and I need some official document to show this specs. Thans again