RFT-80B
LIB Industry
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As a leading manufacturer of environmental test chambers since 2012, LIB Industry offers the Environmental Temperature Chamber with RF Shielding for testing wireless devices in heat and cold. Its shielded workroom, lined with wave-absorbing foam, blocks outside Wi-Fi, Bluetooth and mobile signals, while the chamber holds a precise temperature from -40 °C to +100 °C.
Industry | What You Can Test | Typical Test Points |
Consumer Electronics | Phones, tablets, earbuds, smart watches, smart glasses | Signal strength and connection stability at -40 °C to +100 °C |
Networking | Routers, Wi-Fi devices | Speed and stability on 5 GHz and 6 GHz Wi-Fi bands |
Smart Home | Smart speakers, cameras, sensors, trackers | Whether Bluetooth and Wi-Fi stay connected in hot and cold weather |
Automotive Electronics | Key fobs, telematics units | Whether wireless functions still work as temperature rises and falls |
1. Strong Shielding for Clean Results: The workroom is built as a shielded space with wave-absorbing foam inside. Isolation is above 75 dB across 1 to 6 GHz, and it has been tested at 2.4 GHz, 2.49 GHz and 5.945 GHz. That means outside signals stay out, your device's signals stay in, and you can trust what you measure.
2. Plenty of RF Signal and Electrical Interfaces, Nothing Leaks:
Run your device live while it is being tested. The chamber includes:
• 8 x SMA connectors for antennas and RF cables
• 3 x DB25 and 1 x DB9 connectors (female-female) for signal lines
• 1 x USB 3.0 and 1 x Ethernet for data and control
• 6 x red and black terminals, filtered, for power
3. Fast, Even Temperature Control: A rear-mounted centrifugal fan blows air in from the top and returns it at the bottom, so the whole workspace gets even air. Heating uses a nichrome heater with PID and solid-state relay control. Cooling uses a Tecumseh compressor. A Class A PT-100 temperature sensor keeps temperature fluctuation within ±0.5 °C and uniformity within ±2.0 °C.
4. Simple Control and Data Export: The 7-inch color touchscreen lets you choose a fixed temperature or build a multi-step program. It shows temperature and run time in real time. You can connect a PC through Ethernet, plug in a USB drive and download a CSV file with one click, and the chamber stores up to 365 days of history. An independent emergency stop button is built in for safety.
5. Built to Last:The outside is A3 steel with a protective coating that resists impact, corrosion and temperature extremes. The walls hold 10 cm of high-density polyurethane foam and insulation cotton, which keeps temperature stable and also cuts noise. A double-layer silicone door seal, an observation window and interior lighting let you check your sample without opening the door. Four swivel castors with brakes and adjustable feet make it easy to move and level.
RF Shielding | |
Model | RFT-80B |
Internal size | 430 (D) x 430 (W) x 430 (H) mm |
Operation mode | Manual |
Absorber | Wave-absorbing foam |
Isolation | >75 dB (1 to 6 GHz), tested at 2.4 GHz, 2.49 GHz and 5.945 GHz |
Interfaces | 8 x SMA 3 x DB25 (no currents, female-female) 1 x DB9 (no currents, female-female) 1 x USB 3.0 1 x Ethernet 6 x red and black terminals (filtered) |
Temperature Performance | |
Temperature range | -40 °C to +100 °C |
Heating rate | 3 °C/min (average, empty load) |
Cooling rate | 1 °C/min (average, empty load) |
Temperature fluctuation | ±0.5 °C |
Temperature uniformity | ±2.0 °C |
Construction | |
Heating element | Nichrome heater |
Temperature sensor | PT-100 Class A |
Cooling system | Mechanical compression refrigeration, air cooled |
Compressor / refrigerant | Tecumseh compressor |
Air circulation | Centrifugal fan |
Controller | Programmable color LCD touchscreen, Ethernet, USB |
Safety devices | Over-temperature protection, over-current protection, refrigerant high-pressure protection, earth leakage protection, emergency stop |
Exterior material | Steel plate with protective coating |
Thermal insulation | Polyurethane foam |
Observation window | Interior lighting, double-layer silicone rubber seal |
1. Check that the power, cables and connectors are secure, then turn on the main power.
2. Connect your device and antennas to the SMA, USB, Ethernet or other ports, then close the door and press the handle until it locks tight.
3. On the touchscreen, choose Fix mode for one temperature, or Program mode for a multi-step cycle. Set your temperatures and run time.
4. Start the test. Watch temperature and run time on the screen, or follow them from your PC.
5. When the test ends, bring the chamber back to a safe temperature before opening the door. Handle samples carefully, as they may be very hot or very cold.
6. Download your data by USB or Ethernet as a CSV file, and wipe the inside clean if needed.
Q1: How is the shielding checked?
A: Isolation is above 75 dB across 1 to 6 GHz, and it has been tested at 2.4 GHz, 2.49 GHz and 5.945 GHz.
Q2: Can I power and connect my device during the test?
A: Yes. Use the filtered red and black terminals for power, and the SMA, DB25, DB9, USB 3.0 and Ethernet ports for RF, signal and data connections.
Q5: Can the size, ports or temperature range be changed?
A: Please tell us what you need. LIB Industry can discuss custom options with you.
LIB Industry is a professional manufacturer of environmental test chambers, established in 2012. We serve customers in more than 60 countries through 29 distributors and 4 overseas service centers. Every test chamber comes with a 3-year warranty and lifetime maintenance. Our RF Shielded Temperature Chamber has already been purchased and used by Meta, Amazon, Apple, and Renesas Semiconductor Design Israel Ltd.
