The DJI RC Plus 2 sub2G SDR Module extends communication range using 902–928 MHz (FCC/ISM) or 1.430–1.444 GHz (SRRC) bands with 2T×2R MIMO and high-gain monopole antennas for reliable hybrid SDR/4G transmission in high-interference environments. Mounting via rear slide-in bay on RC Plus 2 Enterprise Enhanced, it supports Matrice 400 Series for long-range missions, weighing 35 g and operating from -20°C to 50°C.