High performance GPS disciplined Time/Frequency standard  Ethernet Interface for management and control  Network Time Protocol (NTP)  Multiple 1PPS outputs with individual delay compensation  Multiple Low Phase Noise 10MHz outputs with software programmable level  Time Code outputs including Have Quick, IRIG A, IRIG B, IRIG E, IRIG G  Sync to GPS or to Have Quick/1PPS per ICD-GPS-060  Choice of internal disciplined OCXO or Rubidium Oscillator

Accurate & reliable time data from a trusted source  Remote configuration and status via web browser, remote monitoring with SNMP  Synchronization between users – eradicates discrepancies  System time stamping, such as e-commerce transactions, e-mail sent & received, is highly accurate  Automatic systems procedures such as backups occur at the correct time and in the correct order Additional time signal outputs can feed to other systems  Multiple time source fall back and priority configuration can ensure high synchronization availability  Various oscillator choices allow for long holdover to maintain time accuracy when synchronization signals are absent

Uses modern optical pumping instead of older magnetic cesium methods, which improves long-term stability and reliability while measuring many more atoms for highly accurate timing. Offers excellent frequency accuracy (≤ ±1×10⁻¹²) and very low phase noise on multiple frequency outputs (5 MHz, 10 MHz, 100 MHz), making it suitable for precise synchronization. Supports multiple power options (AC, DC ±24 V, DC −48 V) with redundant and hot-swappable supply modules and optional battery backup for one hour, aiding uptime in critical environments.

Uses optical-pumping cesium technology rather than magnetic selection for higher stability and longevity. Fully compliant with ITU-T G.811 PRC / G.811.1 ePRC standards. Supports essential timing outputs such as BITS, PPS (1PPS), and analog frequency. Compact, modular design suitable for deployment in racks, enabling scalable deployment across telecom, defense, utilities, and data-center environments. Long service life and improved holdover performance — offering enhanced reliability even during extended GNSS disruptions. Remote and secure management capabilities, including support for SNMPv3 and integration with orchestration/management suites (e.g. Mosaic Controller).

First commercial high-performance cesium atomic clock using optical pumping — 100 times more atoms can be measured compared to magnetic clocks. Offers 10 times higher clock stability. Double the operational lifetime compared with traditional magnetic cesium clocks. Wide range of ultra-low noise frequency outputs (e.g. 5 MHz, 10 MHz, 100 MHz) — plus multiple 1PPS outputs, supporting high-precision timing distribution. Frequency accuracy ≤ ±5 × 10⁻¹³; reproducibility after power cycle ≤ ±1 × 10⁻¹³. Adjustable frequency offset: resolution ±1 × 10⁻¹⁵, range ±1 × 10⁻⁹. Rack-mount (3RU, 19″)

Ultra-long Holdover with improved ePRTC algorithm to provide up to 100 days of holdover within 100ns Jamming, spoofing detection High Accuracy White Rabbit PTP allowing sub-nanosecond time synchronization achievable through firmware upgrade, no additional hardware required 4x 10MHz Low Phase Noise (LPN)

OSA 3350 Cesium is the market’s first primary reference clock to utilize industry leading optical pumping technology Superior short-term and long-term stability compared to magnetic cesium Capable of 100 nanoseconds of holdover for a minimum of 30 days Compact, 3U 19” rackmount form-factor Guaranteed 10-year minimum life expectancy

IRIG’s A and B and NASA 36 time code inputs +3.3V or +5V signalling 1PPS Sync input External Event (Time Tag) input Three programmable pulse rate outputs Match Time output Industrial Temperature Range option Optional on-board GPS option Optional HaveQuick input/output Optional IRIG B time code output

3/4 length board (1/2 size available w/o GPS input) Optional Have Quick synchronization input IRIG’s A and B and NASA 36 time code inputs 1PPS sync input IRIG B output option 1PPS and time code inputs are redundant Single-slot including GPS option Zero latency time reads External Event input (optional eight or sixteen inputs) Match Time output Programmable Heartbeat rate

Single-slot low profile 32 bit PCI Express module  IRIG A, B, NASA 36, 1 PPS sync inputs  GPS sync option (maintains single-slot)  HaveQuick sync input option  Propagation delay correction  Zero latency time reads  Match Time output  IRIG-B time code output (option)  External Event time tags  Three user programmable rates  Supports Windows 8 & 10  Digitally Signed WHQL Driver  Designed for Low Profile PCI Express slots.

Single-slot 32 bit PCI Express module  IRIG A, B, NASA 36, 1 PPS sync inputs  GPS sync option (maintains single-slot)  HaveQuick sync input option  Propagation delay correction  Zero latency time reads  Match Time output  IRIG-B time code output (option)  External Event time tags  Three user programmable rates  Supports Windows 8 & 10  Digitally Signed WHQL Driver

Wide Input Bandwidth  Input Isolation  Automatic & Manual Changeover  Transformer Coupled Outputs  Twenty four Outputs  Front Panel Status Indicators  Fault Discrete Inputs  Compact 1U, 19” rack mount