RTK rover,RTK base,RTK GPS,cm-level accuracy,BLE - Navisys 旺天電子股份有限公司

CLAS / RTK

RTK provides centimeter level accuracy for both horizontal and vertical positioning. Both RTK rover and base products could be found here.
GR-90X comparison table
Free NTRIP Caster

All
CLAS Receiver
RTK BT base or rover
RTK USB base or rover
Modules with antenna

GR-904

CLAS precise positioning
Centimeter-level
L1/L2/L6 band
Plug-and-play
USB/UART TTL/RS232 interfaces

GR-9028

U-blox ZED-F9P
GNSS L1/L2 Dual-band
Portable RTK base
BLE5.2 & rechargeable battery
IOS & Android APP support
Spoofing detection & Jamming indicator

GR-9029

U-blox ZED-F9P
GNSS L1/L2 Dual-band
Portable RTK rover w/ tagging
BLE5.2 & rechargeable battery
IOS & Android APP support
Spoofing detection & Jamming indicator

GR-903

U-blox ZED-F9P
GNSS L1/L2 Dual-band
Bluetooth SPP and USB support
Plug and play centimeter-level
RTK base or rover
Spoofing detection & Jamming indicator

GR-8030

U-blox NEO-M8P
Plug & play
Centimeter-level
IPX7 waterproof
RTK rover

GR-8031

U-blox NEO-M8T
Precise timing
Centimeter-level
IPX7 waterproof
Raw data for RTK

GR-901

U-blox ZED-F9P
Centimeter-level
GNSS L1/L2 Dual-band
USB/RS232/UART TTL options
RTK base or rover
Spoofing detection & Jamming indicator

GR-8015

U-blox NEO-M8T based
Raw data support
GPS, GLONASS, QZSS, SBAS support
Interface support: USB, RS232, TTL
RTCM 2.3 support

GR-8016

U-blox NEO-M8P based
Centimeter-level GNSS positioning
Drone application
RTK 5 Hz for GPS & GLONASS
RTK 8 Hz for GPS only

GM-901

U-blox ZED-F9P
RTK/GNSS Antenna Module
Centimeter-level
GNSS L1/L2 Dual-band
Size: 70 x 70 x 12.3 mm

GM-903

U-blox ZED-F9P
Cm-level, RTK/GNSS Antenna Module
GNSS L1/L2 Dual-band
Bluetooth SPP and USB support
Size: 70 x 70 x 13.2 mm

GM-8030

U-blox NEO-M8P
RTK/GNSS Antenna Module
Centimeter-level
RTCM support
Size: 70 x 70 x 11 mm

GM-8031

U-blox NEO-M8T
RTK/GNSS Antenna Module
Centimeter-level
RTCM support
Size: 70 x 70 x 11 mm