Here is a small table on racial sensors and jammers:
Race - Color - Sensors - Jammer
Caldari - Dark Blue - Gravimetric - Spatial Destabilizer
Gallente - Light Blue -Magnetometric - Ion Field Projector
Minmatar - Red - LADAR - Phase Inverter
Amarr - Yellow - RADAR - White Noise Generator

NPC Name Damage type to deal
Angel Cartel Explosive
Blood Raiders Electromagnetic/Thermal
Caldary Navy Kinetic
EoM Kinetic
Guristas Kinetic
Mercenary Thermal
Mordu's Legion Thermal/Kinetic
Sansha Electromagnetic/Thermal
Serpentis Thermal/Kinetic
The Syndicate Kinetic/Thermal
Thukker Tribe Explosive