The Brandywine Communications M211 High Capacity Modular Timing System where a large number of reliable time/frequency outputs are required.  With nine option-module slots and over thirty standard options the M211 offers your Master Clock solution for multiple applications including synchronizing computers, telemetry systems, scientific experiments, communication networks or for the precise displaying of time of day.  The M211 offers the user a true COTS solution to most time and frequency problems.


Modular Network Time Server with GPS or IRIG Input & Expansion Slots

The M211 is the larger version of the M210. This M211 chassis will host up to nine option modules offering the system designer unmatched flexibility while maintaining a true COTS solution.

To see a list of options for the M211, please go to the M210 & M211 Options page.

Product Specifications
Product Data Sheet
User Manuals
Product Firmware

Performance Specification at 20°C


Time Accuracy:           Standard crystal oscillator maintains free‑run accuracy of

20 milliseconds over 4 hours at 20°C.


Display:                       2 row by 24 character LCD.  Character height 5mm.



Configuration:              5-segment button for equipment configuration and control.

Storage of equipment configuration in non-volatile memory.


Power:                         90-260V AC ± 10% 50-60Hz Load 40W (typical)- subject to

options and oscillator fitted.  Connection via 3 pin IEC plug.


Mechanical:                 19 inch rack mounting 3U high 360mm deep. The chassis has

provision for up to 9 option modules to be fitted within the unit.



Environment (Operation and Storage)

Temperature:              0°C to +40°C

Humidity:                     Up to 95% RH (non-condensing)

EMC:                           CE Compliant

alt M211 Data Sheet
alt M210-M211 Options  
Data Sheet

Firmware Update 18d-9 for 210LA 3-Port NTP Module for M210 and M211


About Brandywine Communications

Brandywine Communications Inc. offers superior products to the time and frequency marketplace. Our mission is to provide the finest equipment coupled with excellent before and after sale service.

Find Out More...

Contact Us

Brandywine Communications
Ultra-Precision Time & Frequency

1153 Warner Ave
Tustin, CA 92780
Phone: +1 (714) 755-1050