4 CHANNELS Programmable Attenuator
4 CHANNELS Programmable Attenuator
PAT-4C-8G-124 Multi-channel Programmable Attenuator
(4 CHANNELS),1-8000MHz, 0-124.75dB(0.25dB Step)
Product Appearance
PIN:60.06.041.0077
General pictures are for illustration only
Product Overview
The PAT-4C-8G-124 is a portable, programmable attenuator with a wide frequency range of 1–8000 MHz, 4 channels, and 0.25 dB steps. It features Type-C power delivery and dual control via USB and Ethernet, 50 Ω impedance, and SMA-F connectors. Compact and lightweight, it is specifically designed for portable RF testing and lightweight automated testing.
Technical Parameter
| Parameter | Freq. Range（MHz） | Condition | （Min.） | （Typ.） | （Max.） |
| Attenuation Range（dB） | 1-8000 | 0.25 step | 0 | - | 124.75 |
| VSWR | 1-8000 | 0-124.75 dB | - | - | 2.3 |
| Maximum RF Input Power（W） | 1-8000 | 0-124.75 dB | - | 0.6 | 1.2 |
| Insertion Loss (dB) | 1-2500 | 0 dB | - | 5.9 | 6.1 |
| 2500-6000 | - | 10.2 | 10.4 | ||
| 6000-8000 | - | 13.7 | 13.8 | ||
| Weight（KG） | - | - | - | 0.8 | - |
| Operating Temperature（°C） | - | - | -20 | - | +70 |
| Power Supply（V） | - | Type-C | 4.75 | 5 | 5.25 |
| Impedance（Ω） | 50 | ||||
| Interface Type | SMA Female | ||||
| Number of Channels | 4 | ||||
| Control Method | USB (Type-C), Ethernet port (TCP) | ||||
Big Deal
Wide bandwidth: 1–8000 MHz; attenuation: 0–124.75 dB; high-precision 0.25 dB steps.
Four independently controllable channels; dual control via Type C and Ethernet ports; supports automated testing.
Powered by Type C low-voltage power supply; weighs only 0.8 kg; portable for both desktop and field use.
Applications
C-band Radar / L-band Satellite Communications Testing
Mobile Communications Testing
5G / LTE
Wi-Fi 6E MIMO Development
IoT / Zigbee / Bluetooth
Attenuation Accuracy（dB）
| Parameter | Freq. Range | Condition | （Typ.） | （Max.） |
Atten. Accuracy （dB） | 0-2.5GHz | 0-30dB | 0.15 | 0.2 |
| 30.25-60dB | 0.3 | 0.5 | ||
| 60.25-90dB | 0.9 | 1.1 | ||
| 90.25-124.75dB | 2 | 2.6 | ||
| 2.5-6GHz | 0-30dB | 1.3 | 1.8 | |
| 30.25-60dB | 3 | 3.6 | ||
| 60.25-90dB | 4 | 5.6 | ||
| 90.25-124.75dB | 5 | 6.5 | ||
| 6-8GHz | 0-30dB | 1 | 1.5 | |
| 30.25-60dB | 2 | 2.6 | ||
| 60.25-90dB | 4.5 | 4.5 | ||
| 90.25-124.75dB | 6 | 9 |
Exterior View
Test Report
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| 0dB | 10dB | 30dB |
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| 60dB | 90dB | 120dB |
*The information in this document is intended to assist users in product selection. Users are advised to conduct tests to determine whether the product meets the requirements of the corresponding application scenarios. Product specifications and descriptions herein are subject to change without prior notice.