1. Product Overview
The AAI RF Vector Antenna Analyzer is a versatile instrument designed for measuring RF circuit impedance, SWR, S11, and other parameters across a wide frequency range. It is suitable for various applications including walkie-talkie UV RF bands, mobile communication antennas (2G/3G/4G), short-distance discrete modules (315, 433, 869, 915, 2450), Wi-Fi 2450 band (excluding 5.8GHz), Bluetooth, aerospace RF, and RFID (915, 2450).
2. Device Components and Controls
Button and Function Description:
| No. | Mark | Name | Function Description |
|---|---|---|---|
| 1 | M | Main Menu (menu) button | Switches between "Single Point Measurement" and "Scan Function" interfaces. Press M again in "System Information" and "Calibration" interfaces to switch. |
| 2 | <- | Left direction and CTRL key | Moves cursor left. Press CTRL then OK to power on. |
| 3 | -> | Right direction key | Moves cursor right. |
| 4 | OK | Confirm and Power key | Confirms selections. Long press (>2S) to power off. |
| 5 | LCD | LCD display screen. | |
| 6 | RF PORT | RF port | RF measurement port or antenna connection port. |
| 7 | Adjustment knob | Adjusts parameters and moves the cursor. | |
| 8 | Charging indicator | Indicates product charging status. | |
| 9 | CHARGE | Charging port | Mini-USB interface for charging. Requires a mobile phone charger with 1A or more output. |
| 10 | RESET | Reset hole | Use if the product crashes or encounters other issues. |
3. Setup
3.1 Initial Charging
Before first use, ensure the device is fully charged. Connect the analyzer to a mobile phone charger with an output capacity of 1A or more using the provided Mini-USB cable. The charging current limit is 400mA, and a full charge from empty takes approximately 5 hours. The charging indicator light will show the charging status.
3.2 Power On/Off
- To Power On: In the power-off state, press and hold the CTRL key (left direction key), then press the OK key. The product will power on.
- To Power Off: In the power-on state, long press the power key (OK key) for more than 2 seconds. Release the key, and the instrument will power off.
3.3 RF Port Connection
The RF port is an SMA-K connector. When connecting antennas or other RF components, handle with care to avoid damage from falling, bumping, or crushing, as its strength is relatively lower than other metals.
4. Operating Instructions
4.1 Interface Navigation
The instrument features four main interfaces: Single Point Measurement, Scan Function, System Information, and Calibration. The N1201SA+ model also includes Calibration Cable Length Measurement and Characteristic Impedance Measurement interfaces.
- Upon power-on, the device defaults to the Single Point Measurement interface.
- Use the 'M' (Main Menu) button to switch between the "Single Point Measurement" and "Scan Function" interfaces.
- Press the 'M' button again while in the "System Information" or "Calibration" interfaces to cycle through them.
- Use the left (<-) and right (->) direction keys to move the cursor or adjust parameters.
- Press the 'OK' key to confirm selections.
4.2 Measurement Parameters
The analyzer measures Resistance (R), Reactance (X), Voltage Standing Wave Ratio (VSWR), and S11 (Return Loss).
4.3 Calibration
Calibration is crucial for accurate measurements, especially for precise readings or when the device under test is connected via a cable rather than directly to the port.
- When to Calibrate:
- For precise measurements, use calibration components.
- When measuring a device connected via a cable, and you need accurate impedance and reactance parameters.
- Calibration Failure: If calibration fails and the instrument cannot measure:
- Enter the calibration interface.
- Adjust 'USR CORR' to 'SYS CORR'.
- Press the 'OK' key to confirm.
4.4 Example Measurements
5. Maintenance
5.1 Battery Care
- Always charge the instrument promptly when the battery is low to prevent damage.
- If the device is not used for an extended period, it is recommended to charge it at least once a year to maintain battery health.
5.2 RF Port Protection
The SMA-K RF port is delicate. Exercise caution to avoid physical impact, dropping, or crushing, which can lead to damage.
5.3 Cleaning
Use a soft, dry cloth to clean the device. Avoid using harsh chemicals or abrasive materials.
6. Troubleshooting
6.1 Device Crash or Malfunction
If the product crashes or experiences other issues, use the 'RESET' hole (No. 10 in the diagram) to reset the device.
6.2 Calibration Issues
Refer to section 4.3 for steps to resolve calibration failures.
6.3 Feature Availability
- Power Measurement: Only available on the N2201SA model.
- Spectrum Measurement: This product does not currently support spectrum measurement.
- Smith Chart View: The Smith chart viewing function for the N2061SA model is currently under development.
7. Specifications
7.1 Model Comparison
| Model | Frequency Range | Function |
|---|---|---|
| N1201SA | 137.5MHz ~ 2700MHz | Standard RF Vector Impedance Analyzer |
| N1201SA+ | 34.375MHz ~ 2700MHz | Extended low-frequency range |
| N2201SS | 34.375MHz ~ 4400MHz | Adds power meter function (detection range: -20dBm ~ +8dBm) |
| N2201SA | 137.5MHz ~ 2800MHz | Adds power meter function (detection range: -28dBm ~ +8dBm) |
| N2061SA | 1.1MHz ~ 1300MHz | Includes shortwave and walkie-talkie UV RF bands; S11: 1.1MHz ~ 1300MHz; S21: 1.1MHz ~ 600MHz |
7.2 Technical Parameters (N1201SA / N1201SA+)
| Parameter | N1201SA | N1201SA+ |
|---|---|---|
| Working Frequency | 137.5MHz ~ 2700MHz | 34.375MHz ~ 2700MHz |
| Frequency Step | 1kHz | |
| Display | 2.4 inch TFT, Resolution 320x240 (QVGA) | |
| Battery Capacity | 2000mAh (7.4Wh) | |
| Power Consumption | < 1.5W | |
| Charging Current | 400mA | |
| Charging Interface | USB (charging only) | |
| Automatic Shutdown | Selectable (always on, 5 minutes ~ 60 minutes) | |
| Measurement Parameters | Resistance, Reactance, SWR, S11 | |
| Resolution | 4 significant figures | |
| Frequency Accuracy | < ±10ppm | |
| Connector | SMA-K | |
| Measurement Range | Resistance | 1Ω ~ 1000Ω (freq < 1300MHz); 1Ω ~ 300Ω (freq > 1300MHz) |
| SWR | 1 ~ 65 (freq < 1300MHz); 1 ~ 10 (freq > 1300MHz) | |
| s11 (dB) | 0dB ~ -50dB | |
| Error (single point measurement) | Resistance | < 5% ± 0.1Ω (Z < 200Ω, < 1.5GHz) |
| SWR | Effective value × 10% ± 0.1 | |
| s11 (dB) | 0.1 dB / 5° (0dB ~ -10dB) | |
| 1 dB / 10° (-10dB ~ -20dB) | ||
| 5dB / 20° (-20dB ~ -40dB) | ||
| Directivity | < 35dB (140MHz ~ 2GHz calibrated), < 30dB (2GHz ~ 2.7GHz) | |
| Scan Points | 280 | |
| Output Level | -18dBm | |
| Operating Temperature | 0°C ~ 40°C | |
| Atmospheric Pressure | 860hPa ~ 1060hPa | |
| Cable Length Measurement | < 3m | |
| Transmission Line Characteristic Impedance | 20Ω ~ 100Ω | |
8. Warranty and Support
Specific warranty information is not provided in the product description. Please refer to your purchase documentation or contact the seller for details regarding warranty coverage.
8.1 External Resources
Additional manuals and test videos are available online:
- N1201SA English Manual: Baidu Netdisk Link (Extraction code: r3v8)
- N1201SA and N1201SAP Chinese Manual: Baidu Netdisk Link (Extraction code: 7n5e)
- N2061SA Chinese Manual: Baidu Netdisk Link (Extraction code: 2y75)
- N2061SA English Manual: Baidu Netdisk Link (Extraction code: 11qm)
- Comparison Test Video (Ruijie vs. Agilent): Youku Video Link
- nH-level Small Inductance Test Video: Bilibili Video Link
9. User Tips
No specific user tips were available from reviews or Q&A for this product at this time. Always refer to the official manual for detailed instructions and best practices.
