The AS-RTK3B-MX5-L125-NH-00 from ArduSimple is a GNSS Module with Frequency 1575.42 MHz(L1 C/A, E1, B1C), 1227.60(L2C), 1176.45 MHz(L5, E5a, B2a), 1381.05 MHz(L3), 1207.14 MHz(E5b), 1191.795 MHz(E5), 1278.75 MHz(E6), 1561.098 MHz(B1I), 1268.52 MHz(B3), Cold Start 45 sec, TTFF Warm Start 20 sec, Update Rate 1 Hz (Default) / up to 100 Hz, Operating Temperature -40 to 85 Degree C. Tags: Module. More details for AS-RTK3B-MX5-L125-NH-00 can be seen below.