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Instructional Videos

How the Infrex Unit can help reduce pain

How to use the Infrex Plus Unit

TENS Video:
How to use a TENS unit properly.

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Infrex FRM Clinical Stimulator
Infrex FRM Clinical Stimulator
 Technical Specifications:


Power Supply

24V Adapter

Treatment Time

Adjustable from 1 to 60 minutes, Continuous



Customized LCD


Output Current

120 mA

Wave Form

Compound, double exponential asymmetric with high levels of direct current


Contraction/ Relaxation

5/20, 10/20, 15/20 sec and C (Continuous)


Main Pulse Frequency

Adjustable from 1 to 500 Hz


Bio Wave Frequency

Adjustable from 2 KHz to 10 KHz

MedFaxx Inc.

525 South White Street
    Wake Forest, NC 27587
Phone: 800-937-3993
Local: 919-570-0350

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 Free TENS Trial

Thank you for requesting the FREE TRIAL of a TENS unit. For you to receive the unit, you must take the following steps:
    1. Complete the information requested below and send it to us.
    2. Have your licensed MD mail a prescription to us at P.O.Box 1289, Wake Forest, NC 27588,  or
    3. Have your licensed MD fax a prescription to us at 919-570-0354, showing "TENS unit for chronic pain for (whatever your pain site is)."
    4. Once we have the prescription, your address and phone number, we will ship a unit to you,and will call to ensure your understanding of how to use it.
You should also view the informational videos on the website to review the TENS and its functions. 

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