Symmetricom 5071A primary frequency standard has the accuracy and stability you need for both laboratory and field applications.

The 5071A is the first cesium standard to specify its stability for averaging times longer than one day.

The 5071A high-performance cesium beam tube is optimal for the most demanding operations.

The high performance tube offers a full environment accuracy specification of ±5.0E-13, two times better than the specification for the standard tube.

Additional information: www.symmetricom.com/products/5071A

Download: 5071A Primary Frequency Standard

The Symmetricom Cs4000 is a new cesium frequency standard platform that provides exceptional performance in a configurable 3U rack mount chassis.

The Cs4000 is designed for high precision timing and frequency applications requiring high stability, low noise RF and 1PPS reference signals, and provides accuracy of ±1.0E-12 and stability of ≤5.0E-14.

The Cs4000 is designed to provide standard and custom output signal formats. The standard outputs include, 100kHz, 1, 5, 10MHz and 1PPS.

Additional information: http://www.symmetricom.com/products/Cs4000

Download: Cs4000 Cesium Frequency Standard

Symmetricom's CsIII is a lightweight, compact, economical cesium frequency standard.

The technology developed for the CsIII is an evolutionary step forward in the quest for higher stability, lower phase noise and longer life.

The CsIII is configured with 5 and 10MHz sinewave outputs, a 10MHz TTL output, a 1PPS sync input and a 1PPS timing output.

Additional information: www.symmetricom.com/products/CsIII

Download: CsIII Cesium Frequency Standard

The TimeCesium™ 4400 is an autonomous Primary Reference Source based on the latest Cesium III technology from Symmetricom.

It is designed for telecom network operators to generate superior and highly reliable G.811 synchronization signals for advanced network services.

The product meets all relevant standards such as ITU-T, ETSI, ANSI, Telcordia, NEBS and AS/CE.

Additional information: http://www.symmetricom.com/products/TimeCesium_4400

Download: TimeCesium 4400

TS 3600 is a standalone Stratum 1 Primary Reference Source (PRS) which receives its reference from the GPS satellite system.

The instrument outputs synchronization signals in accordance with ITU-T G.811 recommendations.

High quality of the signal and excellent holdover performance are achieved using the advanced BesTime technology, built-in GPS receiver and local rubidium oscillator.

Additional information:
http://www.symmetricom.com/products/TimeSource-3600/

Download: TimeSorce 3600

TS 3100 is a standalone Stratum 1 Primary Reference Source (PRS) which receives the reference from the GPS satellite system.

The instrument outputs synchronization signals in accordance with ITU-T G.811 recommendations.

High quality of the signal and good holdover performance are achieved using the advanced BesTime technology, built-in GPS receiver and local quartz oscillator.

Additional information:
http://www.symmetricom.com/products/TimeSource-3100

Download: TimeSorce 3100