Do you need two of these to make it work? Or do you need an internet connection?

You do not need two of these boards to work. For better accuracy, if you are not within a certain distance of a correction station, you may want to set up your own correction station with a 2nd GPS board. The board does not require an internet connection to communicate with your computer but you may want one for configuration and quick NMEA sentence viewing. But you can also connect it to a single board computer or microcontroller and add a screen if you prefer. There is a detailed hookup guide online for the board.

What is the lowest operating temperature ?

Unfortunately, we have not tested the operating temperatures of the board but the module is rated Operating temperature Topr -40 - 85 °C.

Besides the antenna connector type, is there any other difference between the gps-rtk-sma and the gps-rtk2?

The other main difference is that the GPS-RTK-SMA has a footprint so you can manually solder a connector for PPS to the board for your application. From the hookup guide: "Note: For those that need to connect a SMA connector to the PPS pin, the RTK-SMA includes a footprint so that you can manually solder the connector to the board for your application. The PPS output is helpful as a clock source correction when synchronizing equipment (not 1 Hz but in many MHz). The PPS output can be configured to output a very accurate clock which scientists use to correct less accurate, but much faster clocks. To configure, you can use the u-center to adjust The NEO-F9P's setting under View > Conviguration View > TP (TimePulse)."

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SparkFun GPS-RTK-SMA Breakout-ZED-F9P (Qwiic)-Voltage:5V or 3.3V Logic:3.3V

Product ID: 202355761

Details

Battery Life
14 days
Brand
SparkFun
Connectivity Technology
USB
Included Components
rechargeable
Map Type
Satellite
Model Name
GPS-RTK-SMA

⚡Fast Fix: 2s hot start, 25s cold start

📡RTK Accuracy: 10mm 3D precision

🛰️Multi-GNSS: GPS, GLONASS, Galileo, BeiDou

€ 515.36

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Description

🛰️ Elevate Your Location Game with Millimeter Precision!

LIGHTNING FAST LOCATION LOCK - Get your position fix in as little as 2 seconds with warm start technology and backup battery.
VERSATILE COMMUNICATION PORTS - Simultaneously use USB-C, UART, I2C, and SPI for flexible, multi-channel data handling.
PLUG PLAY QWIIC CONNECTIVITY - Seamlessly integrate with your projects—no soldering required, just snap and go.
BUILT FOR SERIOUS PROS MAKERS - Robust design with SMA antenna connector and extensive Arduino library support for advanced customization.
PINPOINT PRECISION AT YOUR FINGERTIPS - Achieve centimeter-level accuracy with RTK-enhanced multi-constellation GNSS reception.

The SparkFun GPS-RTK-SMA Breakout-ZED-F9P is a high-precision GNSS module supporting concurrent GPS, GLONASS, Galileo, and BeiDou reception. It delivers ultra-fast time-to-first-fix (2s hot, 25s cold) and centimeter-level accuracy via RTK technology. Featuring dual Qwiic connectors for solderless integration, multiple simultaneous communication ports, and a rechargeable backup battery for quick warm starts, this compact 6.8g board is designed for professional-grade navigation and positioning applications. Compatible with u-blox PointPerfect augmentation, it’s ideal for developers demanding cutting-edge location accuracy.

Specifications

ASIN	B087T7BV6K
Additional Features	Qwiic
Battery Average Life	14 days
Best Sellers Rank	#99 in GPS Antennas
Brand	SparkFun
Built-In Media	rechargeable backup battery
Compatible Devices	Smartphone, Tablet
Compatible with Vehicle Type	Car, Truck, Motorcycle, SUV, RV, Boat, ATV, UTV, Snowmobile, Bus, Minivan, Golf Cart, Bicycle
Connectivity Protocol	USB
Connectivity Technology	USB
Control Method	Touch
Customer Reviews	4.6 out of 5 stars 17 Reviews
Display Type	touch screen
Human-Interface Input	Buttons
Item Dimensions L x W x H	1.71"L x 1.7"W x 1.7"H
Item Highlight	Concurrent reception of GPS GLONASS Galileo BeiDou High precision GPS 10mm 3 dimensional accuracy Receives L1C/A & L2C bands
Manufacturer	SparkFun Electronics
Map Types	Satellite
Mfr Part Number	GPS-16481
Model Name	GPS-RTK-SMA ZED-F9P
Model Year	2016
Mounting Type	Bayonet, found in image
Number of Items	1
Operating System	Linux
Screen Size	1.7 inches
Software Update Supported to Date	unknown
Special Feature	Qwiic
Supported Satellite Navigation System	GPS
Touch Screen Type	Capacitive
UPC	845156010493
Unit Count	1 Count
Vehicle Service Type	Car, Truck, Motorcycle, SUV, RV, Boat, ATV, UTV, Snowmobile, Bus, Minivan, Golf Cart, Bicycle
Warranty Description	30 Days

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€ 515.36

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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