Keysight U1816A: Ultimate Coaxial Switching for High-Frequency Applications

Keysight U1816A USB Coaxial Switch, DC to 8 GHz, SP6T

The Keysight U1816A USB Coaxial Switch is a dual-channel SP6T (Single Pole Six Throw) RF switching solution, operating from DC to 8 GHz. Designed for automated test systems and high-throughput RF testing, it allows users to switch multiple RF signal paths without manual reconnections — significantly improving test efficiency and repeatability.

With a USB interface, the U1816A integrates easily with PC-controlled environments, while its rugged design and long operational life (up to 10 million cycles) ensure durability for continuous lab or production use.

⭐ Key Features:

• Frequency Range: DC to 8 GHz

• Dual SP6T Configuration: Two independent RF switches in one compact unit

• Low Insertion Loss: ≤ 0.3 dB + (0.015 × frequency in GHz)

• High Isolation: ≥ 100 dB (min) for reduced crosstalk

• VSWR Performance:

  • DC to 4 GHz: 1.20 (max)

  • 4 to 8 GHz: 1.35 (max)

• Connector Type: SMA (female)

• USB-Controlled Operation: Plug-and-play with test software

• Reliable Lifecycle: Guaranteed 5 million cycles, typical 10 million

• Compact & Efficient: Eliminates physical cable changes and manual switching

• Ideal for Multiport Test Systems: Simplifies test setups with multiple signal paths

🎯 Why Choose the U1816A?

The U1816A is purpose-built for RF environments that demand signal integrity, automation, and flexibility. With excellent isolation and VSWR, it maintains measurement accuracy even in complex switching scenarios. Its USB interface and long lifecycle make it an ideal choice for automated RF test systems, production lines, and development labs.

📦 What’s Included:

• Keysight U1816A USB Coaxial SP6T Switch

• USB Cable

• Quick Start Guide / User Documentation

• Keysight I/O Libraries support

📊 Technical Specifications:

🔧 Applications:

• Automated RF switch matrices

• Wireless module and component testing

• Multi-port RF signal routing

• Production testing environments

• Signal distribution in calibration labs

🔗 Related Internal Links:

• Browse more in our RF Switches category

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