--- type: product schema_version: 1 stock_number: "81046-1" canonical_url: "https://www.artisantg.com/81046-1/Precise-Time-and-Frequency-4211A" json_url: "https://www.artisantg.com/81046-1/Precise-Time-and-Frequency-4211A.json" generated_at: "2026-11-07T20:47:01.531Z" last_updated: "2026-10-24T05:35:41.520-05:00" --- # Precise Time and Frequency 4211A Rubidium Frequency Standard _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Precise Time and Frequency - Model: 4211A - Condition: Used and in Good Condition - Price: $3,450.00 USD - Availability: In stock, 1 available - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 12 lb, estimated - Shipping dimensions: 24X12X12 in, estimated ## Categories - Test Equipment > Electrical Test > Amplifiers (primary) - Test Equipment > Electrical Test > Power Supplies - Test Equipment > Electrical Test > Oscillators ## Details This unit has dent and chipped front plate. ## Function Provides highly stable 10MHz sine wave reference output with long-term stability of ±5×10?¹¹ per month. Features atomic rubidium vapor cell technology for frequency accuracy and low phase noise performance. Outputs include multiple buffered 10MHz signals at +13dBm into 50O loads. Equipped with RS-232 interface for remote monitoring and control. Internal OCXO provides short-term stability while rubidium physics package ensures long-term accuracy. Includes alarm indicators for lock status and system health. Accepts external 1PPS input for GPS disciplining. Used in telecommunications, calibration laboratories, and instrumentation requiring precise frequency references. ## Images - - - - - -