The TFN T300F is a handheld vector network analyzer designed for professionals in broadcasting, telecommunications, and RF engineering. It provides accurate measurements of SWR, return loss, cable loss, and fault location. Its portable design, long battery life, and high-visibility display make it ideal for field testing, installation, and maintenance of antenna systems, base stations, and cable networks. The T300F combines precision, ease of use, and ruggedness to deliver reliable performance in demanding environments.
Product Features
✅ All-in-One RF Testing Solution
The T300F integrates multiple measurement modes including SWR, return loss, cable loss, phase, impedance, and fault location in one handheld device. It save time and costs for field technicians and engineers.
✅ Accurate Fault Location with Auto-Pass/Fail
Using advanced time-domain reflectometry (TDR) technology, the T300F precisely locates faults such as cable breaks, moisture ingress, and connector issues. The built-in pass/fail limit line feature automatically evaluates test results against user-defined thresholds, speeding up troubleshooting and ensuring system reliability.
✅ High-Visibility Display for Any Environment
Equipped with a 6.5-inch high-brightness color LCD, the T300F offers “High Contrast” and “Night Mode” settings. This ensures clear visibility in bright sunlight or dark conditions, enhancing on-site testing efficiency and reducing operator fatigue.
✅ Featuring a 6.5-inch high-brightness color LCD, the T300F delivers excellent screen clarity for field use. With built-in High Contrast and Night Mode options, the display remains easy to read in both strong sunlight and low-light conditions—helping engineers work more comfortably and efficiently during on-site testing.
✅ Long Battery Life for Field Use
Powered by a built-in 5200 mAh intelligent lithium battery, the T300F provides over 6 hours of continuous operation. This allows technicians to work in remote locations or sites without external power sources, improving productivity and flexibility.
✅ Professional Data Management & Reporting
Included PC software enables easy download of test data via Ethernet. Users can compare historical measurements, track system performance trends, and generate detailed reports—ideal for maintenance logs, compliance documentation, and performance analysis.
✅ As a fully functional VNA, the T300F provides accurate transmission and reflection measurements for RF component analysis. It supports key measurement functions including Smith Chart, impedance, phase, and group delay, making it well suited for characterizing filters, amplifiers, attenuators, and other RF devices—both in laboratory and field environments.
Spec Sheet
| Frequency range | 300 kHz ~ 1600 MHz (optionally extended to 3 GHz) |
| Frequency accuracy | ±2 ppm (0~50°C) |
| Output level | 0 dBm |
| Scan points | 101, 201, 401, 801, 1601 |
| Dynamic Range | 80 dB |
| Measurement trajectory | 4 |
| Impedance | 50 Ω |
| Battery life | Over 6 hours |
| Weight | 2.2 kg |
Where It's Used
- Daily maintenance and troubleshooting of antenna and feeder systems for medium wave and FM broadcast transmitters .
- Installation and commissioning of radio and television transmission systems
- Mobile communication base station antenna feeder lines.
- Fault location of antenna feeder paths in wireless network optimization
Package Content
- T300F Handheld Vector Network Analyzer
- 11.1V/5.2Ah Lithium Battery
- AC-DC Power Adapter (100–240V input)
- Car Charger (12V DC)
- USB Cable (A to Mini-B)
- Cross Ethernet Cable (1.5 m)
- Soft Carrying Case
- User Manual & Quick Start Guide (U-Disk)