Tallysman TW4039B Single Band GNSS Antenna (Pre-Filtered)
Ideal for battery operated positioning and fleet management & asset tracking applications that require protection against close-proximity 700MHz LTE and L-band transmitting antennas, the TW4039B is very low power device, requiring a typical current of just 5.5 mA with constant characteristics over supply voltages from 2.5V to 16V – yet still performs with an excellent noise figure.
The TW4039B supports 1 dB RHCP received power across the full frequency and achieves 40 percent wider bandwidth than competitive antennas. Additionally, the TW4039B has a dual stage Low Noise Amplifier (LNA) with a mid-section SAW that supports a great axial ratio across the full frequency. It also includes an LNA pre-filter, for enhanced protection against high level sub-harmonic signals like LTE and near frequency signals such as WiFi. The TW4039B is housed in an industrial-grade weather-proof enclosure that can be surface mounted via magnet, screws or adhesive material.
- 7 mA current draw
- Invariant response, 2.5 to 16 VDC Supply
- Low Noise 3.3 dB typ.
- Axial ratio: 4 dB max.
- Low gain: 16 dB typ.
- IP67 weather proof housing
- Longer battery life
- Excellent signal to noise ratio
- RoHS compliant
- Ideal for harsh environments
- Excellent out of band signal rejection