Bias Tee 300 KHz-110 GHz – Model # AT-BTL-110L1

AT Microwave AT-BTL-110L1 Bias Tee – Broadband Performance up to 110 GHz

AT Microwave continues to push the limits of RF and microwave components with the AT-BTL-110L1 Bias Tee, a broadband solution covering 300 kHz to 110 GHz. Designed for high-frequency and high-performance applications, this bias tee combines wide bandwidth, low insertion loss, and excellent handling capabilities—making it ideal for 5G communication, radar, test setups, and optical systems.

Product Overview

The AT-BTL-110L1 is a compact, gold-plated bias tee engineered for reliability and stability. It enables the combination of DC bias with RF signals while maintaining outstanding performance across an ultra-broad frequency range.

With a typical insertion loss of -2.5 dB, a maximum voltage rating of +25 V, and current handling up to 250 mA, it is an excellent choice for both laboratory and field applications where precision and durability are critical.

Key Features

  • Broadband operation: 300 kHz to 110 GHz

  • Low insertion loss:

    • 10 MHz–90 GHz: ~ -2.5 dB

    • 90–110 GHz: ~ -4.0 dB

  • Return loss: better than -10 dB typical

  • Group delay: 100 ps

  • Voltage handling: up to +25 V

  • Current handling: up to 0.25 A

  • RF Power handling: +27 dBm

  • Connector options: 1.0 mm (male/female), SMA (DC port)

  • Compact & durable design: Copper case, gold-plated finish, weight ~50 g

Applications

The AT-BTL-110L1 bias tee is engineered for advanced RF and microwave systems, supporting cutting-edge technologies:

  • 5G and next-generation communication systems

  • RF over Fiber (RoF) links

  • Radar and defense systems

  • Optical communication

  • MMIC and device testing

  • High-frequency laboratory instrumentation

Why Choose AT Microwave Bias Tees?

With exceptional bandwidth, high stability, and robust design, the AT Microwave AT-BTL-110L1 ensures reliable performance for demanding environments. Whether you are working on high-speed data links, precision test equipment, or advanced radar applications, this bias tee is a trusted solution for integrating DC bias into RF circuits without compromising signal integrity.

Please click below to download the latest sheet.