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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GPS-RTK-SMA Breakout-ZED-F9P (Qwiic)-Concurrent reception of GPS GLONASS Galileo BeiDou High precision GPS 10mm 3 dimensional accuracy Receives L1C/A & L2C bands Voltage:5V or 3.3V Logic:3.3V

Product ID: 259000696

Details

Brand
SparkFun
Model name
GPS-RTK-SMA
Vehicle service type
Car Truck SUV
Screen size
1.7 Inches
Special features
Qwiic

⚡Fast Time to First Fix (2s hot)

🌐Multi-constellation reception

🎯10mm 3D accuracy with RTK

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77169 som

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Description

📡 Elevate your location game with pinpoint precision and blazing speed!

LIGHTNING FAST FIX TIMES - Get your location locked in as fast as 2 seconds (hot start) to keep your projects moving.
GLOBAL PRECISION POWERHOUSE - Simultaneously tracks GPS, GLONASS, Galileo & BeiDou for unmatched location reliability.
NEXT LEVEL NAVIGATION RATES - Up to 25Hz update rate ensures real-time tracking for dynamic, high-speed applications.
SEAMLESS INTEGRATION FLEXIBILITY - Dual Qwiic connectors and dual voltage support (5V/3.3V) make setup effortless and adaptable.
PINPOINT ACCURACY AT YOUR FINGERTIPS - Achieve ultra-precise 10mm 3D positioning with RTK technology—leave guesswork behind.

The SparkFun GPS-RTK-SMA Breakout-ZED-F9P (Qwiic) is a compact, lightweight GNSS module supporting concurrent reception of GPS, GLONASS, Galileo, and BeiDou constellations. It delivers exceptional 10mm 3D accuracy using RTK technology, with fast time-to-first-fix as low as 2 seconds (hot). Featuring dual Qwiic connectors, flexible voltage options, and high navigation update rates up to 25Hz, it’s engineered for professional-grade precision positioning in demanding applications.

Specifications

ASIN	B087T7BV6K
Additional Features	Qwiic
Are Batteries Included	No
Battery Average Life	14 days
Best Sellers Rank	#324 in GPS Antennas
Brand	SparkFun
Compatible with Vehicle Type	Car, Truck, Motorcycle, SUV, RV, Boat, ATV, UTV, Snowmobile, Bus, Minivan, Golf Cart, Bicycle
Connectivity Technology	USB
Control Method	Touch
Customer Reviews	4.5 4.5 out of 5 stars (16)
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 Weight	0.02 Kilograms
Manufacturer	SparkFun Electronics
Map Types	Satellite
Model Year	2016
Mounting Type	Bayonet, found in image
Operating System	Linux
Screen Size	1.7 Inches
Supported Satellite Navigation System	GPS
Touch Screen Type	Capacitive
UPC	845156010493
Warranty Description	30 Days

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77169 som

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In stock

Sold byAmazon KyrgyzstanDelivered 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 Kyrgyzstan.

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