{"product_id":"spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-21351-104","title":"Spectrum Instruments TM4-M+ Rubidium Time Frequency Reference System 21351-102","description":"\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Used\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTested and fully functional. Excellent condition, minimal usage, supplied as pictured.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eRefer to image 17 showing:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAlmanac Status: OK\u003c\/li\u003e\n\u003cli\u003eCorrect time\u003c\/li\u003e\n\u003cli\u003ePhase lock\u003c\/li\u003e\n\u003cli\u003eOscillator mode: 4\u003c\/li\u003e\n\u003cli\u003eSatellites: 5 \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRefer to image 18 for reference results showing a clean 10.000MHz (100.00ns) output.\u003c\/p\u003e\u003cp\u003eThis test was conducted in house with less than ideal conditions, but still yielding excellent results.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncluded in the sale:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpectrum Instruments TM4-M+ Rubidium Time Frequency Reference System 21351-102\u003c\/li\u003e\n\u003cli\u003eGPS antenna with cable\u003c\/li\u003e\n\u003cli\u003eUSB cable (JDSU P\/N 21130024)\u003c\/li\u003e\n\u003cli\u003eCoaxial cables (various types, including JDSU P\/N 80-30662-01)\u003c\/li\u003e\n\u003cli\u003eBNC and RF adapters\u003c\/li\u003e\n\u003cli\u003eUSB adapter\u003c\/li\u003e\n\u003cli\u003ePower cable\u003c\/li\u003e\n\u003cli\u003eSoft carry case (JDSU branded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct description (from the manufacturer):\u003c\/strong\u003e\u003cbr\u003eThe Spectrum Instruments TM4-M+ is a high-precision rubidium time and frequency reference system, delivering stable and accurate timing signals for calibration, synchronisation, and testing in laboratory or field environments. It supports multiple output channels and offers GPS integration for improved long-term stability.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-887.jpg?v=1758543088\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-729.jpg?v=1758543092\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-287.jpg?v=1758543097\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-330.jpg?v=1758543101\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-649.jpg?v=1758543105\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-228.jpg?v=1758543109\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-310.jpg?v=1758543114\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-428.jpg?v=1758543117\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-375.jpg?v=1758543121\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-169.jpg?v=1758543126\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-321.jpg?v=1758543130\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-853.jpg?v=1758543134\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-999.jpg?v=1758543139\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-494.jpg?v=1758543143\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-639.jpg?v=1758543147\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-943.jpg?v=1758543153\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0574\/9492\/9575\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-991.jpg?v=1758543157\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Spectrum Instruments","offers":[{"title":"Default Title","offer_id":41283513450560,"sku":"2655 2C01 ER10","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/6342\/4320\/files\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-117.jpg?v=1782354098","url":"https:\/\/wearvico.com\/products\/spectrum-instruments-tm4-m-rubidium-time-frequency-reference-system-21351-104","provider":"wearvico","version":"1.0","type":"link"}