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The TOP106 from TOPGNSS is a certified GNSS/GPS surveying antenna capable of receiving the L1/L2 bands for GPS, GLONASS, Galileo, and BeiDou constellations. These 'UFO' antennas have incredible performance for the money. The antenna has a built in ground plane with significant filtering and amplification of both L1 and L2 frequencies for all GPS, GLONASS, and BeiDou satellites. Excellent for surveying or fixed antenna applications.
The TOP106 is ideal for handheld surveying or portable applications. For automobile applications please see our u-blox ANN-MB-00 GNSS antenna. For weight sensitive applications (like RTK Drones) checkout the SPK-6E helical GNSS antenna. For tri-band applications (L1/L2/L5) please see the SparkFun SPK6618H.
Designed for the latest dual band GNSS receivers, it provides a fast, easy, and reliable multi-band antenna solution but can be used with any GPS/GNSS receiver that can benefit from the L1/L2 dual reception. While this antenna works great with normal L1 GPS/GNSS receivers it will not make your $20 receiver into a $200 receiver. Please check your receiver to verify it is capable of using the L1 and L2 signals that this antenna outputs.
We disassembled a unit because we love to see how things work! The antenna incorporates a 130mm ground plane with six hybrid couplers to obtain signal phasing which makes this design a lot more insensitive to manufacturing-imposed issues (e.g. board material with inconsistent dielectric).
This antenna has been certified by the National Geodetic Survey. The ANTEX and ANTINFO are available. You can see the full listing under SFETOP106 on the NGS Antenna Calibrations website.
Note: This antenna has a TNC female connector found on nearly all surveying antennas. We recommend our TNC Male to SMA cable when used with our GNSS receivers.
Note: This antenna uses a standard 5/8"-11TPI (threads per inch) connector found on surveying equipment. This is not compatible with a camera tripod. We recommend a 5/8" to 1/4" tripod adapter. You can also find 5/8"-11TPI threaded rod in most hardware stores in North America. For information about permanently fixing this antenna to a roof, please see our tutorial on How to Build a DIY GNSS Reference Station.
Features & Specs
- Gain: ≥5dBi
- LNA Gain: 40dB
- Reception Frequencies
- L1: 1555 to 1615MHz
- L2: 1198 to 1278MHz
- 50 Ohm Antenna Impedance
- Overall antenna weight: 335g
- Bare antenna element weight (including MMCX connector, with RF shield): 160g
- Dimensions: 148 x 55mm
- Waterproof IP67
- Connector: Female TNC
- Overall antenna weight: 335g
- Bare antenna element weight (including MMCX connector, with RF shield): 160g
