TW3867 Embedded Dual-Band GNSS Antenna

 

TW3867 employs Calian's patented Accutenna® technology providing dual-band GPS/QZSS L1 & L2, GLONASS-G1 & G2, BeiDou B1, and Galileo E1 coverage and is especially designed for precision dual frequency positioning.

The antennas feature a precision tuned, circular dual-feed, stacked patch element. The signals from the two orthogonal feeds are combined in a hybrid combiner, amplified in a wideband LNA, then band-split for narrow filtering in each band and further amplified prior to recombination at the output.

The TW3867 has a strong pre-filter to mitigate inter-modulated signal interference from LTE and other cellular bands.

The TW3867 antenna offers excellent axial ratio and a tightly grouped phase centre.

The TW3867 covers GPS/QZSS L2 (1227.6 MHz), GLONASS G2 (1248 MHz centre), GPS/QZSS L1/WAAS/EGNOS/MSAS (1575.42 MHz), GLONASS-G1 (1602 MHz, centre), BeiDou B1 (1575.42 MHz), and Galileo E1 (1575.42 MHz).

This OEM antenna is supplied with a standard 60 mm (dia.)iameter circular ground plane, with a coaxial cable terminated with your choice of connector (right angle MCX is shown in the drawing).

Mounting holes are provided for attachment to larger ground planes. Custom tuning and ground plane options may be available, depending on purchase level commitment. 
 

Features:

• Very low noise preamp
• Low axial ratio (< 2.0 dB typ.)
• Tight phase centre variation
• High-gain LNA (28 dB typ.)
• Low current (24 mA typ.)
• ESD circuit protection (15 kV)/span>
• Invariant performance from 2.5 to 16 VDC

 

Applications:

• Precision GPS position
• Dual-frequency RTK receivers
• Law enforcement and public safety
• Network timing & synchronization

 

Antenna:- Measured with a 100 mm ground plane

Upper Band	Lower Band
Frequency Bandwith
1559 - 1606 MHz	-
Out-of-band Rejection
> 40 dB @ < 1500 MHz > 20 dB @ < 1540 MHz > 45 dB @ > 1640 MHz	-