The ZTE GTXO Service Board is a component designed for use in telecommunications systems, particularly those that require high frequency and high precision timing solutions. Here is a concise introduction to its specification parameters:

1. Frequency Range: The board is capable of operating within a wide frequency range, typically from several MHz to several GHz, depending on the specific model and application.

2. Phase Noise: It offers low phase noise, which is crucial for maintaining signal integrity in communication systems. The phase noise levels are often specified in dBc/Hz at a certain offset from the carrier frequency.

3. Stability: The board is designed for high stability, ensuring that the frequency output remains consistent over time and under varying environmental conditions. Stability is often measured in parts per million (ppm) over a specified temperature range.

4. Output Power: The board provides a controlled output power level, which can be adjusted according to the requirements of the system it is integrated into.

5. Interface: It features a variety of interfaces for easy integration with other system components, such as GPIO, SPI, or I2C.

6. Size and Form Factor: The board is designed with a compact form factor to fit into tight spaces within telecommunications equipment.

7. Power Consumption: It is engineered to have low power consumption, which is important for battery operated or energy sensitive applications.

8. Temperature Range: The board is designed to operate over a wide temperature range, which is essential for outdoor or industrial applications where temperature fluctuations are common.

9. Reliability: The GTXO Service Board is built to meet high reliability standards, with specifications that include mean time between failures (MTBF) and other reliability metrics.

10. Certifications: Depending on the region and industry, the board may be required to meet specific certifications or standards, such as CE, FCC, or RoHS.

11. Software Support: ZTE typically provides software support and drivers to facilitate the integration of the GTXO Service Board into various systems.

12. Customization: In some cases, ZTE may offer customization options for the GTXO Service Board to meet specific customer requirements.

It's important to note that the exact specifications can vary depending on the specific model and the intended application. For detailed and accurate information, it's recommended to consult the datasheet or technical documentation provided by ZTE for the particular GTXO Service Board in question.