Our answer: maybe, maybe not. From a big picture perspective, little has changed in SPX 7800BT’s box versus earlier iRadars. For instance, it’s not much bigger than iRadar Atom, which was touted for its compact size; this model measures roughly 3.7” deep, 1.5” tall and 2.4” wide — around 1/4” deeper and taller, with boxier edges. Mixing glossy and metallic black textures, it looks stealthy and deluxe by radar…