Can you do OEM / private label / custom firmware?Yes. We offer TOPGNSS private-label OEM: custom firmware features, branding, enclosure and pin-out (typical 4–8 weeks). Contact us for a sample or quot
2026/10/08 mei
What is the MOQ and lead time?Samples from one unit for engineering validation; stock ships in 1–2 weeks, volume 4–6 weeks.
2026/10/08 mei
What interfaces and supply voltage do modules use?Common: UART/USB, PPS, CAN, configurable baud rate; supply 3.0–3.6 V (carrier boards accept 5–12 V). Custom pin-out is available for OEM.
2026/10/08 mei
Do you provide software, SDK and samples?Yes: configuration tool, NTRIP client, ROS/Linux drivers, full datasheets, and one-unit evaluation kits. Our engineers support first bring-up.
2026/10/08 mei
How do I get RTK corrections?Via NTRIP from your own base station or a public/commercial CORS network. We can recommend global correction partners and pre-configure the module.
2026/10/08 mei
What antenna do I need?RTK requires an active multi-band antenna with LNA and clear sky view — a passive or single-band antenna will prevent a fixed solution. We supply matched embedded, helical, vehi
2026/10/08 mei
What does "multi-band" (L1/L2/L5) mean and do I need it?Single-band (L1) works for navigation. Multi-band (L1+L5 or L1+L2) cancels ionospheric error and is required for reliable RTK fixed in
2026/10/08 mei
How do modules like ZED-F9P, NEO-F9P and UM982 compare?They are all multi-band RTK modules; differences are form factor, power, supported constellations, interface and cost. We stock and configure lea
2026/10/08 mei