This is the SPK6618H, a high-performance, 'UFO-style' surveying antenna that delivers professional, multi-band reception for a fraction of the cost of leading brand options. It is designed for surveyors, GIS professionals, and anyone building a high-precision RTK base station.

This antenna's built-in 130mm ground plane, advanced filtering, and amplification provide exceptional signal quality for all GPS, GLONASS, Galileo, and BeiDou constellations. It is the perfect antenna to unlock the full, centimeter-level potential of your multi-band GNSS receiver.

Unlock Pro-Level Precision

• NGS Certified: This antenna is officially certified by the National Geodetic Survey (NGS) (ID: SFESPK6618H). It's a professional-grade tool you can trust for serious surveying and data collection. (ANTEX and ANTINFO files are available).
• Full Multi-Band Reception (L1/L2/L5/E6): By receiving all modern signals, this antenna provides a faster, more stable, and more accurate fix, even in challenging environments. It's the key to unlocking the full potential of your multi-band receiver (such as the ZED-F9P or Mosaic-X5).
• Access "Near-RTK" Accuracy (PPP): This antenna's E6 band reception unlocks access to Precise Point Positioning (PPP) services like Galileo HAS and QZSS MADOCA. This can provide centimeter-level accuracy without needing a local base station, a game-changer for field applications.

Is This Antenna for You?

This antenna is specifically designed for high-precision, multi-band GNSS receivers (like the u-blox ZED-F9P, Septentrio mosaic-X5, etc.).

Please be aware that while this antenna will work with a simple L1-only receiver, it will not turn a $20 receiver into a $200 RTK-capable one. To get the full benefit, you must pair it with a receiver capable of L1/L2 or L1/L2/L5 reception.

For automobile applications, please see the u-blox ANN-MB-00 GNSS antenna. For weight-sensitive applications (like RTK drones), check out our Helical GNSS Antenna. You can also see our other GPS / GNSS Antennas here. 

Connections and Mounting

This is a professional surveying antenna and uses standard pro-level connectors. Please read this carefully to ensure you have the right adapters.

• RF Connector - TNC Female: This is not an SMA connector. To connect to our receivers, we highly recommend a TNC Male to SMA Cable or a simple adapter.
• Mount - 5/8"-11TPI (Threads Per Inch): This is the industry standard for surveying equipment. It is not compatible with camera tripods (which use 1/4"). We recommend a 5/8" to 1/4" Tripod Adapter.

For permanently fixing this antenna, please refer to our 'How to Build a DIY GNSS Reference Station' tutorial.

Note: GNSS receiver and interface cables are not included with the GNSS Multi-Band L1/L2/L5 Surveying Antenna. These parts will need to be purchased separately.

Features and Specifications:

• Reception Frequencies
• 1150 to 1300MHz
• 1520 to 1610MHz
• Supported Constellation Signals
• GPS - L1/L2/L5
• GLONASS - G1/G2
• BeiDou - B1/B2/B3
• Galileo - E1/E5a/E5b/E6
• LNA Gain: 38dB
• Gain: ≥2.5dBi
• GPS GLONASS : BeiDou : Galileo
• L1 ≥5.5dBi : G1 ≥5.0dBi : B1 ≥5.0dBi : E1 ≥5.5dBi
• L2 ≥5.0dBi : G2 ≥4.0dBi : B2 ≥5.0dBi : E5a ≥2.5dBi
• L5 ≥2.5dBi : B3 ≥3.5dBi : E5b ≥5.0dBi
•  E6 ≥2.5dBi
• 50 Ohm Antenna Impedance
• Dimensions: 150 x 58mm
• Waterproof IP67
• Connector: Female TNC
• Overall antenna weight: 473g
• Bare antenna element weight (including MMCX connector): 124.5g
• Antenna Phase Center:
• L1: 48.0mm
• L2: 35.9mm 
• Average: 41.95mm

Documentations:

• SPK6618H Datasheet
• NGS Calibration Data:
• ANTEX
• ANTINFO

Package Includes:

• 1 x SparkFun GPS-21801 GNSS Multi-Band L1/L2/L5 Surveying Antenna - TNC (SPK6618H)