Helix Antenna B37B1GGB

This type of gnss antenna is a three-system seven-band external antenna that covers GPS L1/L2, BDS B1/B2/B3, and GLONASS L1/L2, which meets the current multi-system compatibility and high Demand for precision micro-deformation measurement.

分类： GNSS Antenna

描述
其他信息

描述

The B37B1GGB antenna design adopts a quadrifilar helix structure, the B37A2GGB, and B37A3GGB antennas adopt a multi-feed point design and a completely symmetrical antenna structure, they are with a relatively stable phase center, reducing the influence of the antenna on measurement errors.

The antenna gain is high, the patterned beam is wide, and the reception effect of low-elevation signals is good, ensuring that the satellite can be received normally on some severely obstructed occasions.

The B37B1GGB antenna is equipped with a high out-of-band suppression low-noise amplifier circuit, the B37A2GGB antenna’s low-noise amplifier adopts a front-filtering scheme, the B37A3GGB antenna is equipped with an anti-multipath choke plate and has an anti-surge design, the designs of these antennas can effectively suppress strong out-of-band interference signals and ensure antenna reliability.

The B37B1GGB antenna is small in size, lightweight, and has low power consumption, which can effectively reduce equipment load and extend battery life

The B37A2GGB antenna’s appearance has the characteristics of small, lightweight, and low wind resistance, with an IP67 waterproof rating design, and the shell can effectively resist ultraviolet radiation.

The B37A3GGB antenna adopts a metal base and anti-ultraviolet upper cover design, which is both beautiful and ensures that the antenna shell does not change color when used outdoors for a long time. It has an IP67 waterproof design.

Application

The B37B1GGB antenna is widely used in various industrial-grade UAVs, such as UAV aerial survey, UAV plant protection, UAV line inspection, UAV security, and various handheld terminals such as tablets and walkie-talkies.

The B37A2GGB and B37A3GGB antennas are mainly used on some occasions that have extremely high requirements for measurement accuracy.
The B37A2GGB antenna’s light and compact appearance with low wind resistance makes it especially suitable for positioning and speed measurement of high dynamic carriers and can be widely used in navigation scheduling, tracking monitoring, positioning speed measurement, and other fields.
The B37A3GGB antenna can be widely used in surveying and mapping, deformation monitoring, precision positioning, mobile mapping, engineering machinery control and precision agriculture, and other fields.

B37B1GGB Dimension

B37A2GGB Dimension

B37A3GGB Dimension

其他信息

Antenna type	B37B1GGB: Three-system Seven-band Quadrifilar Helix Antenna B37A2GGB: Three-system Seven-band Light Aviation Antenna B37A3GGB: Three-system Seven-band Car suction cup antenna
Frequency	GPS L1/L2 BDS B1/B2/B3 GLONASS L1/L2
Polarization	Right-handed circular polarization
Gain	B37B1GGB: Elevation 90° ≥ 2dBi B37A2GGB / B37A3GGB: Elevation 90° ≥ 5dBi
Axle Ratio	Elevation 90° ≤ 3dB
Front-to-back ratio	B37A2GGB: Elevation 90° ≥ 15dBi B37A3GGB: Elevation 90° ≥ 18dBi
Phase center error	B37A3GGB: ±2mm
LNA Gain	B37B1GGB / B37A2GGB: 36 ± 2dB B37A3GGB: 40 ± 2dB
VSWR	＜ 2.0
Noise Coefficient	＜2.0
Operating Voltage	3.3～18VDC
Operating Current	B37B1GGB:＜35mA B37A2GGB / B37A3GGB:＜40mA
Input Resistance	50ohm
Antenna Size	B37B1GGB: Φ2858.5mm B37A2GGB: Φ9028.9mm B37A3GGB: Φ90*35.1mm
Output Connector	B37B1GGB: SMA-J B37A2GGB / B37A3GGB: TNC-K
Weight	B37B1GGB: ≤ 17g B37A2GGB: ≤ 250g B37A3GGB: ≤ 200g
Waterproof	IP67
Working Relative Humidity	95%
Working Temp.	-40°C～+75°C
Storage Temp.	-55°C～+85°C