NECU-S-M12G4-P1-Q6-IS NECU-S1W9-C2-APB NECU-S1W9-C2-ACO NECU-M-S-D12G4-C2-ET NECU-M-S-B12G5-C2-PB NECU-M-B12G5-C2-PB NECU-L3G8-C1-IS NECU-L3G8-C1 NECU-L3G7-C1 nechip