The high-performance PTP and NTP Grandmaster Clock in a small and compact form factor, provides robust and accurate time synchronisation and distribution across different devices. This second generation of the Open Timecard Mini ecosystem provides the full multi-band GNSS receiver with proven excellent performance, up to <5ns accuracy to UTC and 5 ppb holdover capability.

Why Open Timecard Mini 2.0 Module ?

  • NTP/PTP time synchronisation

    Engineered for diverse applications, this solution delivers precise timing synchronisation tailored to meet a wide range of needs, fully compliant with industry standards including IEEE 1588 (PTP), NTP, and SyncE.

  • Multi-connectivities compatible

    With the PCIe card, the Open Timecard Mini take complete advantage of all CM4 IO board, featuring 40 pins GPIO available, 2 USC-C ports, microHDMI port, eMMC boot port and USB-A port

  • GNSS module for Raspberry Pi CM4/ CM5

    Our GNSS/GPS modules feature a modular design that integrates with various CM4 and CM5 form factors through 200-pin connectors, ensuring a straightforward and efficient upgrading process.

  • Compatible with additional network cards

    Open Timecard Mini and its module provide different panel mounted U.Fl connectors, support multiple connection to various type of network cards, distributing frequency and PPS seamlessly.

What's inside the new Open Timecard Mini Module Collection?

Check out the Timecard Mini 2.0 Collection

  • Precision Timing

    Perfect for 4G/5G/LTE & Broadcast implementations

    • Full multi-band GNSS receiver
    • <5ns accuracy to UTC
    • 1.5us/8hrs holdover
    • State of the art Clock Gen with 4x Frequency outputs and 3x event time stampers

  • Precision Location

    High scalability for industrial and automotive applications

    • Centimeter-level GNSS corrections globally
    • Fast convergence times and reliable performance
    • L-Band GNSS correction Data
      Point Perfect compatible

  • Precision Timing Lite

    The perfect balance of cost and performance

    • Unaffected by ionospheric errors
    • Combines accurate timing with low power consumption
    • Built-in GNSS security for highest robustness against malicious attacks

  • Essential

    Ideal for the home or test lab

    • L1/L5 dual-band GNSS receiver
    • Effective multi-path mitigation to boost urban accuracy
    • Proven excellent performance, even with small antennas
    • Matches Raspberry Pi CM4 form factor (or alternative clones)

Get your Open Timecard Mini Modules

Product Specification

General Features

1x ANT: u.fl IPEX-1 connector for connecting GNSS antenna input.

4x PPS OUT: u.fl IPEX-1 connectors

1x PPS IN : u.fl IPEX-1 connector 

3 x EVENT IN/OUT : u.fl IPEX-1 connectors

200 Pin top: Direct connection for the Raspberry Pi CM4 footprint

Ublox LEA-F9T

GNSS Features

184-channel U-blox F9 engine: 

- GPS L1C/A, L2C, L5 GLO L1OF GAL E1B/C, E5b, E5a BDS B1I, B1C, B2a QZSS L1C/A, L2C, L5 NavIC L5 SBAS L1C/A: WAAS, EGNOS, MSAS, GAGAN* Frequency Bands: L1 and L2

- Position Accuracy: 1.5 m CEP

- Timing Accuracy (1 PPS): <5ns (typical)

Time-to-First-Fix (TTFF):

- Cold Start: 26 seconds

- Reacquisition: 1 second

SiT5812 1.5us/24h mems OCXO

Frequency Stability: Down to ±1 ppb (parts per billion) over temperature

Frequency Tuning

- Supports fine frequency adjustments in steps as low as 1 ppt (parts per trillion)

- Digital control for precise frequency tuning and correction

Aging Stability

- ±0.1 ppb/day

Performance

Holdover and Retrace

- 1.5us/8hrs holdover

Temperature-Compensated MEMS

- MEMS technology with built-in temperature compensation for high accuracy across temperature ranges

- Stratum 3e Holdover: Supports holdover mode for telecom and network applications to meet Stratum 3e timing requirements


Renesas 8A34002E clock generator

Frequency and Output

•⁠  ⁠Output Frequency Range: 0.5 Hz to 1GHz (on request 1Hz default)

•⁠  ⁠Number of Outputs: Up to 7 programmable outputs (on request 1Hz default)

Frequency Tuning and Accuracy

•⁠  ⁠Tuning Resolution: below 1ps

General Features

1x ANT: u.fl IPEX-1 connector for connecting GNSS antenna input.

1x PPS OUT: u.fl IPEX-1 connectors

200 Pin top: Direct connection for the Raspberry Pi CM4 footprint

Highlights

- Multi-band receiver delivers centimeter-level accuracy in seconds 

- Concurrent reception of GPS, GLONASS, Galileo, and BeiDou 

- Multi-band L1/L5 RTK with fast convergence times and reliable performance 

- Centimeter accuracy in a compact and energy-efficient module 

- Easy integration of RTK for fast time-to-market 

- Native support for PointPerfect simplifies integration 

- Small form factor

Ublox NEO-F9P

84-channel u-blox F9 engine GPS L1C/A L5, GLO L1OF, GAL E1B/C E5a, BDS B1I B2a, QZSS L1C/A L1S L5, SBAS L1C/A NavIC L5


RTK Accuracy

- Nav. update rate RTK up to 20 Hz1 

- Position accuracy RTK 0.01 m + 1 ppm CEP 

- Convergence time2 RTK < 10 sec

Ublox NEO-D9S

Highlights:

- First mass-market L-band GNSS correction module 

- Access to centimeter-level GNSS corrections globally 

- Freedom to select GNSS correction data delivery channel 

- High scalability for industrial and automotive applications 

- Allows selection of desired L-band GNSS correction service 


GNSS Feature

- Purpose: GNSS correction data receiver for high-precision applications

- Supported Correction Data: Receives GNSS correction data for augmentation services like Precise Point Positioning (PPP)

- Frequency Bands: L-band (1525 - 1559 MHz), commonly used for correction data transmission

- Channel Support: Dual-channel capability, allowing reception of multiple correction data streams

- PPP-RTK Compatibility: Enables Precise Point Positioning with Real-Time Kinematic (PPP-RTK) for cm-level accuracy

General Features

1x ANT: u.fl IPEX-1 connector for connecting GNSS antenna input.

1x PPS OUT: u.fl IPEX-1 connectors

200 Pin top: Direct connection for the Raspberry Pi CM4 footprint


GNSS Features

- Ublox NEO -F10T supports all four global satellite constellations, it is ideal for global deployments with single HW SKU

- Supports the L1/L5/E5a configuration

- Receiver type: GPS L1C/A, L5  GLO L1OF GAL E1B/C, E5a  BDS B1C, B2a QZSS L1C/A, L5 NavIC L5 SBAS L1C/A: WAAS, EGNOS, L1Sb, GAGAN

- Timing accuracy: 10 ns (1-sigma, clear sky, dual-band mode)

- Time pulse jitter: ±8 ns

- Reacquisition: 1ns

- Cold starts Acquisition: 26s

General Features

1x ANT: u.fl IPEX-1 connector for connecting GNSS antenna input.

1x PPS OUT: u.fl IPEX-1 connectors

200 Pin top: Direct connection for the Raspberry Pi CM4 footprint

GNSS Features

- U-blox F10 dual-band receiver

- GPS / QZSS L1C/A (1575.42 MHz), L5 (1176.450 MHz) Galileo E1-B/C (1575.42 MHz), E5a (1176.450 MHz) BeiDou B1C (1575.42 MHz), B2a (1176.450 MHz) NavIC SPS-L5 (1176.450 MHz)

- Timing Accuracy : 30ns-60ns (typical)

- Time-to-First-Fix (TTFF):

- Cold Start: 28 seconds

- Reacquisition: 1 seconds

What you'll need to make it even better

Time honoured solutions

built around you

  • Tech to suit your project

  • Every unit tested

  • Top performance

  • Free Software Available