OEM GNSS antenna HX-CSX231A (L1+L2)

The HX-CSX231A (L1+L2) embedded GNSS antenna is a high-gain, compact and small active GNSS antenna that provides reliable and consistent positioning services for highly dynamic applications such as small robots and autonomous vehicles. This cost-effective antenna features small size, lightweight design and stable performance.

Important functions

• Supports GPS, GLONASS, Galileo and BeiDou
• Small size and lightweight design with sturdy structure
• Improved signal filtering and excellent multipath suppression
• Stable phase center guarantees positioning accuracy in the millimeter range

Highly reliable antenna structure

The HX-CSX231A (L1+L2) is designed with a planar antenna element and an electromagnetic bandgap structure and uses low-loss microwave materials, making the antenna smaller, lighter and more powerful. This design ensures a stable structure and reliable electrical performance.

Stable phase center for robust positioning performance

The HX-CSX231A (L1+L2) provides comprehensive support for excellent satellite signal tracking, including GPS, GLONASS, Galileo and BeiDou. It provides highly stable phase center variation with advanced multi-point feeding technology, ensuring excellent positioning accuracy.

Tracking in complex environments

The antenna delivers a high gain of 4.5 dBi with extremely low signal loss and a wide beamwidth, ensuring reliable satellite signal tracking even in complex environments with obstacles such as treetops and buildings.

Strong immunity to interference

The advanced LNA improves signal filtering and out-of-band interference suppression, reducing electromagnetic interference. Its strong multipath rejection ensures reliable GNSS signals even in environments with strong electromagnetic interference, such as power grids and communication base stations.

parameter	details
Received signals	GPS (L1/L2)
	BDS (B1I/B2I/B1C/B2b)
	GLONASS (L1/L2)
	GALILEO (E1/E5b)
nominal impedance	50Ω
polarization	RHCP
axial ratio	≤3dB
azimuth coverage	360°
output VSWR	≤2.0
peak gain	GNSS: 4.5dBi
phase center error	±2mm
LNA amplification	L1: 28±2dB
	L2: 30±2dB
noise figure	≤2dB
forward ripple	±2dB
operating voltage	+3.3 to +12VDC
operating current	≤45mA
Group Delay Ripple	≤5ns
Dimensions	Ø90 x H21.8mm
Connection	SMA-J
operating temperature	-40°C to +85°C
storage temperature	-55°C to +85°C
humidity	95% non-condensing

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