| PentaRay (Biosense Webster) |
20 electrodes arranged in 5 soft radiating splines (1 mm electrodes separated by 2 mm interelectrode spacing if 2–6–2 mm used) |
| AFocus II Duo-decapolar (Abbott) |
20 electrodes with 4-4-4 mm spacing |
| LASSO (Biosense Webster) |
Circular mapping catheter, 20-polar catheter, 1 mm electrodes, 2–6–2 mm spacing |
| INTELLAMAP ORION (Boston Scientific) |
64 electrodes: 8 splines with 8 electrodes per spline, 0.4 mm2 electrode size, 2.5 mm spacing |
| EnSite (Abbott) |
Grid catheter, 16 electrodes (1 mm electrodes with 4 mm electrode spacing) |
| Advisor HD (Abbott) |
Circular mapping catheter, 10 electrodes. 2 sizes: 15 mm diameter (3–3–3 mm spacing) and 20 mm (5–5–5 spacing) |
| Achieve (Medtronic) |
Circular mapping catheter, 8 electrodes. 2 sizes: 15 mm diameter (4 mm spacing) and 20 mm diameter (6 mm spacing) |
