Doristek
CET RET RF Machine – 448kHz Tecar Deep Tissue Wellness & Body Contouring System
CET RET RF Machine – 448kHz Tecar Deep Tissue Wellness & Body Contouring System
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CET RET RF Machine | 448kHz Tecar Deep Tissue Wellness System
A professional 448kHz Tecar system combining CET and RET radiofrequency modes to deliver deep biological warmth up to 8–15cm into tissue — supporting muscle recovery, body contouring, and skin tightening from within.
The machine that warms from the inside out — reaching tissue depths no surface treatment can access.
The CET RET RF machine uses 448kHz Tecar technology — a professional radiofrequency system that generates deep biological warmth by activating ion exchange inside and outside cells. Unlike surface RF that heats the skin, Tecar reaches 8–15cm deep into subcutaneous tissue and musculoskeletal structures — supporting recovery, contouring, and skin wellness simultaneously from within.
The Science: CET vs RET — Two Depths, One Machine
| CET (Capacitive Electric Transfer) | RET (Resistive Electric Transfer) | |
|---|---|---|
| Electrode | Insulated electrode | Stainless steel (non-insulated) |
| Energy Transfer | Capacitive — via dielectric film | Direct — to patient tissue |
| Penetration Depth | 3–5 cm (dermis, superficial fat) | 9–12 cm (deep fat, muscle, joints) |
| Primary Use | Skin lifting, muscle relaxation, superficial fat | Deep fat reduction, deep muscle & joint wellness |
| Best For | Face, neck, superficial body areas | Abdomen, back, hips, deep musculoskeletal areas |
448kHz + 20kHz Dual Modulated Wave — Why It Works Deeper
Standard RF operates at a single frequency. This machine uses 20kHz as a carrier wave to deliver 448kHz energy deeper into tissue — a modulation technique that achieves stronger energy penetration, faster warming, and more uniform thermal distribution throughout the treatment volume. The result: 448,000 ion oscillations per second generating biological warmth from 8–15cm deep, raising tissue temperature to 38.5–40.5°C — creating an environment that supports circulation and accelerates fat metabolism.
🎯 4 Treatment Handles
CET Handle (Insulated): Capacitive transfer for superficial tissue. Used for facial lifting, skin tightening, and superficial fat reduction. Available in 30mm, 60mm, and 80mm electrode heads.
RET Handle (Stainless Steel): Direct resistive transfer for deep tissue. Used for deep fat reduction, deep muscle wellness, and body contouring. Available in 30mm, 60mm, and 80mm electrode heads.
3-Polar Ball Rolling Handle: Combines RF energy with mechanical rolling action for enhanced body slimming and contouring. Improves lymphatic drainage and fat mobilization simultaneously.
Fascia Knife: Strips soft tissue adhesions and promotes blood circulation. Used throughout the body for myofascial release and muscle recovery.
🎯 Wellness Applications
Muscle Recovery & Body Wellness:
- Neck and shoulder muscle relaxation
- Lower back muscle recovery
- Shoulder and rotator cuff muscle wellness
- Muscle soreness recovery after exercise
- Joint area warmth and mobility support
- Post-workout muscle recovery
Body Slimming & Aesthetics:
- Visceral and subcutaneous fat reduction
- Waistline reduction and body contouring
- Skin tightening and collagen stimulation
- Cellulite reduction and metabolism boost
- Facial lifting and anti-aging



📊 Technical Specifications
- Technology: 448kHz + 20kHz Modulated RF Wave (Tecar)
- Handles: CET RF + RET RF + 3-Polar Ball Rolling + Fascia Knife
- Peak Power: 2,000W | Rated Power: 550 VA
- CET Electrode Heads: 30mm / 60mm / 80mm
- RET Electrode Heads: 30mm / 60mm / 80mm
- Negative Plate: Auto-heating technology for winter comfort
- Temperature Monitoring: Real-time body temperature control with alarm
- Package Size: 54 × 59 × 44 cm | Gross Weight: 22 kg
- Voltage: 110–240V, 50/60Hz (universal)
- SKU: BAT-3S+ | Note: Price does not include trolley
🗓 Session Protocol
- Session: 30 min ≈ 5km jogging equivalent in metabolic activation
- Frequency: 3–5×/week for muscle recovery; 2–3×/week for body slimming
- Course: 8–12 sessions for measurable results
- Maintenance: 1–2×/week ongoing
📦 Package Contents
- Main Host × 1 set (no trolley)
- RET Work Handle × 1 | CET Work Handle × 1
- Negative Plate × 1 | 3R Handle × 1 | Fascia Knife × 1
- CET Electrode Heads (30/60/80mm) × 1 each
- RET Electrode Heads (30/60/80mm) × 1 each
- Electrode Head Housing (30/60/80mm) × 1 each
- Deepba-3S Working Heads (large + small) × 1 each
- Power Cord × 1 | User Manual × 1
❓ FAQ
Q: What is Tecar technology and how is it different from standard RF?
Tecar (Transfer of Energy Capacitive and Resistive) is a professional radiofrequency technology widely used in sports performance and wellness centers. Unlike standard aesthetic RF that heats the skin surface, Tecar uses the body's own tissue resistance to generate warmth from within — reaching depths of 3–12cm that surface RF cannot access.
Q: Can this machine support both muscle recovery and body contouring?
Yes — the same 448kHz technology that generates deep biological warmth for muscle recovery also activates fat cell metabolism and promotes lipolysis. The CET handle is used for superficial fat and skin tightening; the RET handle for deep fat and deep muscle wellness. Many spas and wellness centers use this machine for both aesthetic and recovery programs.
Q: What does the real-time temperature monitoring do?
The temperature control system monitors tissue temperature during sessions and triggers an alarm if it exceeds safe limits. This prevents overheating and ensures consistent, safe delivery — particularly important when using high-power RET settings for deep tissue sessions.
Q: Who should not use this device?
Not suitable for: pregnancy, pacemakers or metal implants in the treatment area, active cancer, epilepsy, fever or acute infection, open wounds in the treatment area, and severe cardiovascular conditions. Consult a qualified professional before use.
Taxes/Customs Fees
Taxes/Customs Fees
You may need to pay customs fees depending on your country's import taxes. Please noted that our prices do not include destination import taxes.
Is it safe to order from you?
Is it safe to order from you?
Yes, it is safe to order from us. We have over 12 years of experience in supplying beauty machine to the world. In 2013, Doristek started selling online and created our first video on youtube. From our YouTube homepage, you can see that Doristek is a real and reliable company. https://www.youtube.com/@Doristek
Delivery
Delivery
Delivery time varies from 5-25 business days depending on your location and order quantity.
Shipping
Shipping
The machine will be sent in random by Air (DDP) or by Express (DAP) like DHL, FedEx and UPS to your address. We will send you the tracking no. via email after shipment.
Certification
Certification
Please contact us to get the CE certification and Training Certification if you need.
User Manual/Video
User Manual/Video
We provide user manual or video. We will send it to you via email after you place the order.
Warranty
Warranty
For professional beauty machine, we offer 12 months warranty for the main host, 3 months warranty for the handles and lifetime technical support. For personal care beauty device(under 4kgs weight), we offer 1 month warranty.
Return/Refund
Return/Refund
Our policy lasts for 7 days. To be eligible for a return, the item must be in brand-new condition, unused, and returned in original packaging. The buyer is responsible for return shipping. Once we receive the item and check it without problems, we will arrange for a refund within 2 working days.
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