Layer Estimates:

Layer: GSM with Signal Strength (ID:0)
Count: 3387
Extent:

XMin: -1521120.11245507
YMin: 701616.016943251
XMax: -1199639.98492606
YMax: 1086943.76535275
Spatial Reference: 102100 (3857)

Layer: Coverage Quality (5000m) (ID:1)
Count: 13
Extent:

XMin: -1522795.9588
YMin: 698992.1809
XMax: -1195260.226
YMax: 1088992.1809
Spatial Reference: 102100 (3857)

Layer: Coverage Quality (1000m) (ID:2)
Count: 47
Extent:

XMin: -1521751.8031
YMin: 700992.1809
XMax: -1199301.6778
YMax: 1086992.1809
Spatial Reference: 102100 (3857)

Layer: Coverage Quality (500m) (ID:3)
Count: 69
Extent:

XMin: -1521463.128
YMin: 701242.1809
XMax: -1199157.3403
YMax: 1087242.1809
Spatial Reference: 102100 (3857)