The Dow-Key Microwave 401U-4208 is a single-pole, double-throw (SPDT) electromechanical switch renowned for its reliability and performance in RF and microwave applications. Featuring low insertion loss and high isolation, this switch ensures minimal signal degradation. It is suitable for applications requiring precise signal routing and switching, such as test and measurement setups, communication networks, and aerospace systems.
Lifetime Support by Aumictech
Free OEM-grade Calibration
Fastest turnaround times
Product Condition & Availability
Dow-Key Microwave 401U-4208 is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
Dow-Key Microwave 401U-4208
Brand: Dow-Key Microwave
Category: RF Switches
Product: Dow-Key Microwave 401U-4208
30 Days Free Returns >- Repair Support & OEM Spare Parts
- University and Research Discounts
- 100% Verified & Tested Equipment
- Rental Units Available
The Dow-Key Microwave 401U-4208 is a high-performance electromechanical switch designed for demanding RF and microwave applications. This SPDT switch offers exceptional reliability and low insertion loss, making it ideal for use in test and measurement systems, communication networks, and radar systems.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
Fast Shipping & Flexible Payments
We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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