Triple-Frequency
OEM638-D5J-B0R-TTN: GPS, GLONASS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-D5J-BPR-TTN: GPS, GLONASS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-D5J-RPR-TTN: GPS, GLONASS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FAJ-B0R-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/L5/E1/E5a/E5b/AltBOC/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FAJ-BPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/L5/E1/E5a/E5b/AltBOC/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FAJ-RPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/L5/E1/E5a/E5b/AltBOC/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G5J-B0R-TTN: GPS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G5J-BPR-TTN: GPS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G5J-RPR-TTN: GPS, L1/L2/L5, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-T5J-B0R-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-T5J-BPR-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-T5J-RPR-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TAJ-B0R-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TAJ-BPR-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TAJ-RPR-TTN: GPS, GLONASS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-W5J-B0R-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-W5J-BPR-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-W5J-RPR-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-WAJ-B0R-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-WAJ-BPR-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-WAJ-RPR-TTN: GPS, GALILEO, L1/L2/L5/E1/E5a/E5b/AltBOC, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
 Dual-Frequency
OEM638-CDJ-B0R-FFN: GPS, BeiDou,, GLONASS, L1/L2/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 50 Hz Measurements, 50 Hz Positions, NTRIP
OEM638-CDJ-B0R-TTN: GPS, BeiDou,, GLONASS, L1/L2/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-CDJ-BPR-TTN: GPS, BeiDou,, GLONASS, L1/L2/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-CDJ-RPR-TTN: GPS, BeiDou,, GLONASS, L1/L2/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-CDQ-Y0R-TTN: GPS, BeiDou,, GLONASS, L1/L2/B1/B2, SBAS/QZSS, DGPS, ALIGN Relative Positioning, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-D2J-B0R-TTN: GPS, GLONASS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-D2J-BPR-TTN: GPS, GLONASS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-D2J-RPR-TTN: GPS, GLONASS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-F2J-B0R-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/B1, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-F2J-BPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/B1, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-F2J-RPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/B1, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FDJ-00R-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/E5b/B1/B2, SBAS/L-Band/QZSS, DGPS, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FDJ-B0R-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/E5b/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FDJ-BPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/E5b/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-FDJ-RPR-TTN: GPS, GLONASS, GALILEO, BeiDou,, L1/L2/E1/E5b/B1/B2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G2J-B0R-TTN: GPS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G2J-BPR-TTN: GPS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G2J-RPR-TTN: GPS, L1/L2, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-PDQ-Y0R-TTN: GPS, BeiDou,, L1/L2/B1/B2, SBAS/QZSS, DGPS, ALIGN Relative Positioning, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TDJ-B0R-TTN: GPS, GLONASS, GALILEO, L1/L2/E1/E5B, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TDJ-BPR-TTN: GPS, GLONASS, GALILEO, L1/L2/E1/E5B, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-TDJ-RPR-TTN: GPS, GLONASS, GALILEO, L1/L2/E1/E5B, SBAS/L-Band/QZSS, DGPS, NovAtel CORRECT RT-2 Base/Rover, NovAtel CORRECT PPP, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
Single-Frequency
OEM638-D1Q-B0R-TTN: GPS, GLONASS, L1, SBAS/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G1Q-B0R-TTN: GPS, L1, SBAS/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP
OEM638-G1S-000-000: Hardware only, requires a firmware upgrade to produce output 995 995 Â OEM638-T1Q-B0R-TTN: GPS, GLONASS, GALILEO, L1/E1, SBAS/QZSS, DGPS, NovAtel CORRECT RT-2 Base, GLIDE/RAIM, 20 Hz Measurements, 20 Hz Positions, NTRIP