Raspberry Pi GPS/RTC Expansion Board
uBLOX MAX-M8Q 5V GPS Breakout for Active Antennas $34.95
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UPU-Rpi-GPS-RTC-b

Raspberry Pi GPS/RTC Expansion Board

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$49.95

NEW FOR 2020 Now with RAW Output & Hardware RTC

 

The Uputronics Raspberry Pi GPS/RTC Expansion Board provides a modern multi GNSS GPS receiver and hardware RTC with quick no soldering required connection to all Raspberry Pi boards with the 2×20 header (the original Pi Model A/B are not supported). Featuring PPS (Pulse per second) output to permit the use of the board for PPS disciplined NTP servers, RAW output available from the UBlox™ GPS module and twin super caps for GPS hot start/setting retention & maintaining RTC.

 

This board retains backwards compatibility with previous generation Uputronics Pi GPS boards. With its features and ease of installation we believe this is the ultimate GPS /  RTC HAT for the Raspberry Pi.

 

GPS Specifications:

• 72-channel u-blox™ M8 engine
• Up to 3 concurrent GNSS (BeiDou,Galileo,GLONASS,GPS/QZSS)
• Default GNSS: GPS/GLONASS.
• -167dBm Navigation Sensitivity
• 10Hz navigation rate in multiGNSS mode, 18Hz in GPS only
• RAW Output available via UBX-RXM-RAWX Message
• 3V supplied to antenna port to power active antenna
• Antenna requirements: Active 3V Ceramic Patch
• No EEPROM settings must be sent at power up or saved to battery backed RAM.
• Default baud rate: 9600bps
• I2C Bus (Address 0x42)
• Robust SMA antenna connection.

 

For full documentation please consult the u-blox 8/u-blox M8 receiver description including protocol specification document (UBX-13003221) linked here: https://store.uputronics.com/files/UBX-13003221.pdf

 

RTC Specifications:

• Micro Crystal RV-3028-C7 Real Time Clock Module
• Factory calibrated ±1 ppm @ 25°C
• I2C Bus (Address 0x52)
• Built in kernel compatibility
• Provides year, month, date, weekday, hours, minutes and seconds

 

In The Box

1 x Raspberry Pi GPS/RTC Expansion Board
4 x 11mm standoffs w/8 M2.5 Screws
1 x Header with 4.93mm tails

 
Full Data Sheet Here : https://store.uputronics.com/files/Uputronics%20Raspberry%20Pi%20GPS%20RTC%20Board%20Datasheet.pdf

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Airspy Warranty

Airspy warranty is limited to 1 year from the date of delivery for purchased units that fail under normal operating conditions. Airspy units will be repaired at a price of $50.00 plus $10.00 shipping/handling. Normal operating conditions do not include excessive mechanical stresses due to mishandling, dropping, or bending; mechanical or electrical modifications; Electro-Static Discharge (ESD); excessive RF signals; excessive thermal stresses due to improper ventilation or cooling, submersion in any fluid; and any unauthorized repairs.
All warranty claims will be determined by Airspy or their representatives.

Accessory Warranty (except Filter/preamp)

Accessory warranty (except Filter/Preamp) is limited to 90 days from the date of delivery for accessories that fail under normal operating conditions. The warranty is limited to electrical failiure. Physical damage is specifically excluded unless such damage arises from normal use. Antennas are generally considered ‘disposable items’, although very limited warranties may be honored. All warranty cases will be determined by Airspy.US for these items. Contact us for any warranty claims.

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    Q/ Can I configure it via HTTP/Telnet ?
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    Q/ The performance figures look too good to be true at the price
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    It only starts to drop when the 100Mb interface is maxed out:



    nevis@test:~/ntpperf$ sudo ./ntpperf -i enp5s0 -m 70:B3:D5:E3:D0:04 -d 172.16.1.72 -s 172.16.1.0/16 -B
    | responses | TX timestamp offset (ns)
    rate clients | lost invalid basic xleave | min mean max rms
    1000 100 0.00% 0.00% 100.00% 0.00%
    1500 150 0.00% 0.00% 100.00% 0.00%
    2250 225 0.00% 0.00% 100.00% 0.00%
    3375 337 0.00% 0.00% 100.00% 0.00%
    5062 506 0.00% 0.00% 100.00% 0.00%
    7593 759 0.00% 0.00% 100.00% 0.00%
    11389 1138 0.00% 0.00% 100.00% 0.00%
    17083 1708 0.00% 0.00% 100.00% 0.00%
    25624 2562 0.00% 0.00% 100.00% 0.00%
    38436 3843 0.00% 0.00% 100.00% 0.00%
    57654 5765 0.00% 0.00% 100.00% 0.00%
    86481 8648 0.00% 0.00% 100.00% 0.00%
    129721 12972 15.49% 0.00% 84.51% 0.00% <- 100Mb Interface Saturated 194581 16384 43.65% 0.00% 56.35% 0.00% 291871 16384 62.43% 0.00% 37.57% 0.00%

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    Q/ Does the unit support IPv6
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