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High Frequency Rotary Joint

2 Channel PTFE Small Rotating Connector Rings Rotary Joint Union 18GHz

  • Place of Origin:


  • Brand Name:


  • Certification:

    CE, ISO9001

  • Model Number:


  • Product Details

Peak Power(max):


Average Power(max):

50 W @ 4 GHz

Insulating Material:



95% (storage Humidity)

IP Grade:

IP 60 Per EN 60529

Working Life:

> 10 Millions For Ref(depends On Working Conditions)

  • Product Description

Small Size And Low Torque Of 2 Channels 18GHz High Frequency Rotary Joint Slip Rings

Description of HF0218-64 High Frequency Rotary Joint

The SenRing HF0218-64 series high-frequency rotary joint is a two-channel 18GHz high-frequency rotary joint with a frequency range of DC to 18GHz. The joint type uses SMA-K/SMA-K and is designed for a maximum speed of 60 rotations per minute. HF0218-64 is developed based on HF0218-31 with an additional 24 electrical slip ring channels. It is a product specially developed to meet the transmission requirements of high-speed serial digital or analog signals (and requires transmission of 1 to 24 channels of current). The default current of this series of high-frequency rotary joints is 5A. If you need to increase the current path or change the current size, or need technical consultation, pre-sales consultation, or solution requests, please contact the SenRing technical team.

Features of HF0218-64 High Frequency Rotary Joint

1. RF Channel: 2 channels,signal/power channel: 1~24 channels;

2. Frequency: DC~18GHz+DC~4.5GHz;

3. Low insertion loss and voltage standing wave ratio;

4. It is used in the 360° continuous rotation devices to transfer high frequency signals;

5. Integrated structure, easy installation;


satellite Antenna, Ship-borne, vehicle, radar, Microwave antenna test bench....etc;

Technical Specification of HF0218-64 High Frequency Rotary Joint

Rotary joint Spec.

channel 1channel 2
Connector typeSMA-KSMA-K
StyleI typeI type
FrequencyDC to 18 GHzDC to 4 GHz
Peak power(max)3000W3000W
Average power(max)50 W @ 18 GHz50 W @ 4 GHz
VSWR(max)1.2 @ 0 - 4 GHz
1.5 @ 4 - 18 GHz
1.4 @ 0 - 2 GHz
2.5 @ 2 - 4 GHz
VSWR fluctuation(max)0.040.36
Insertion loss0.08 dB @ 4 GHz
0.48 dB @ 18 GHz
0.48 dB @ 2 GHz
0.98 dB @ 4 GHz
Insertion loss fluctuation0.05 dB0.25 dB
Phase WOW ( Max degree)1 °2 °
Isolation60 dB
Rotating speed(max)60RPM
Starting torque(max)
Temperature-40 to +70℃ (work temperature)
-50 to +70℃ (storage temperature)
Working life> 10 millions for ref(depends on working conditions)
Rotating torque(max)5 Ncm
Humidity85% (work humidity)
95% (storage humidity)
Insulating materialPTFE
IP gradeIP 60 per EN 60529
>Working life> 10 millions for ref(depends on working conditions)
>Rotating speed250RPM
Humidity0~85% RH
Contact materialgold-gold
Housing materialaluminum alloy
Torque0.05N.m+0.01N.m/6 channels
>Voltage range0~440VAC/VDC0~240VAC/VDC
>Insolution resistance≥300MΩ/300VDC≥300MΩ/300VDC
Lead wire spec.AWG#17 Silver-plated teflon wireAWG#22 Silver-plated teflon wire
Lead wire lengthstandard 150mm(can be customized)
Insolution resistance300VAC@50Hz,60s
Electrical noise< 0.01&Omega;
IP gradeIP51

Part no. description

hf0218-64 series HF0218-64 Series Dual Channel 18GHz High Frequency Rotary Joint Slip Rings slip ring description


High Frequency Rotary Joint Small Electrical Slip Ring

Standard model list

model listRF ChannelFrequencyCircuits no. (10A)Circuits no. (0~2A)Length L(mm)
HF0218-64-06102 channelsDC~18GHz6 channels038mm
HF0218-64-06S2 channelsDC~18GHz06 channels38mm
HF0218-64-12S2 channelsDC~18GHz012 channels56mm
HF0218-64-18S2 channelsDC~18GHz018 channels74mm
HF0218-64-24S2 channelsDC~18GHz024 channels92mm

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Service hotline


Phone:+86 18100274370


ADDRESS:No.36 Xingda Road, Yanchuan Community, Yanluo Street, Bao'an District, Shenzhen

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