1. Introduction
The Baofeng AM-771 PRO is a high-performance air band antenna designed to enhance the reception capabilities of your two-way radio, particularly for air band frequencies (108-136MHz). Available in two lengths, 37cm and 48cm, this soft whip antenna offers improved signal gain and durability, making it suitable for various environments, including near airports.
2. Setup and Installation
The AM-771 PRO antenna features an SMA-Female connector, ensuring broad compatibility with many two-way radios. Follow these steps to install your antenna:
- **Identify Connector Type**: Ensure your radio has an SMA-Male connector to match the antenna's SMA-Female connector.
- **Align and Screw**: Carefully align the antenna's connector with the radio's antenna port. Gently screw the antenna clockwise until it is finger-tight. Do not overtighten, as this can damage both the antenna and the radio's connector.
- **Check Connection**: Verify that the antenna is securely attached and there is no wobble. A proper connection is crucial for optimal performance.
3. Operating Instructions
Once installed, the AM-771 PRO antenna is ready for use. Its primary function is to improve signal reception within the air band frequency range (108-136MHz).
- **Frequency Range**: This antenna is specifically tuned for the 108-136MHz air band. While it may function outside this range, optimal performance is achieved within the specified frequencies.
- **Signal Reception**: The high gain (3.5dBi) of this antenna helps your radio receive signals from a longer distance, which is particularly beneficial for monitoring air traffic communications near airports.
- **Antenna Length**: Choose between the 37cm and 48cm versions based on your specific needs and portability requirements. Longer antennas generally offer slightly better performance but may be less convenient for carrying.
4. Maintenance
To ensure the longevity and optimal performance of your AM-771 PRO antenna, follow these simple maintenance guidelines:
- **Cleaning**: Wipe the antenna periodically with a soft, damp cloth to remove dust and dirt. Avoid using harsh chemicals or abrasive cleaners.
- **Inspection**: Regularly inspect the antenna for any signs of physical damage, such as cracks in the whip or damage to the connector.
- **Storage**: When not in use, store the antenna in a clean, dry place away from extreme temperatures. The soft whip design allows for flexibility, but avoid sharp bends or kinks during storage.
- **Environmental Durability**: The antenna is designed to be resistant to high temperatures, cold, ice, and rain, making it suitable for outdoor use.
5. Troubleshooting
If you experience issues with your antenna, consider the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Poor signal reception | Loose connection, incorrect frequency, environmental interference, damaged antenna. |
|
| Antenna not fitting radio | Incorrect connector type. | Confirm your radio has an SMA-Male connector. If not, an adapter may be required (not included). |
| Antenna appears bent or damaged | Physical stress or impact. | While flexible, extreme bending can cause internal damage. If performance is affected, consider replacement. |
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | AM-771 PRO |
| Connector Type | SMA-Female |
| Frequency Range | Air Band 108-136MHz |
| Center Frequency | 108-136MHz |
| Gain | 3.5dBi |
| VSWR (Voltage Standing Wave Ratio) | Less than 1.5 |
| Max. Power | 10W |
| Impedance | 50 ohm |
| Antenna Length | 37cm (14.57inch) / 48cm (18.9inch) |
| Origin | Mainland China |
| Certification | NONE |
7. Compatible Models
The AM-771 PRO antenna is compatible with a wide range of two-way radios featuring an SMA-Female connector. Below is a list of known compatible models:
| Brand | Compatible Models |
|---|---|
| Baofeng / Pofung | UV-5RH, UV-5RM, AR-5RM, UV-13PRO, UV-16M, UV-17PRO, UV-18PRO, UV-21PRO, UV-25, UV-32, UV-K5, UV-K6, UV-K61, M-5R, M-13PRO, AR-152 |
| Quansheng | UV-K5, UV-K6, UV-K5(8) |
| ABBREE | AR-730, AR-869, AR-F8, AR-518 |
| RETEVIS | RT5, RT22, RT29, RT3S, RT85 |
| Kenwood | TK-790, TK-890, TH-F6A, TH-D74A, TH-D72A, TH-78A, TH-79A, NX-300, TM-V71A, TM-D710A |
| TIDRADIO | TD-H3 |
| RADTEL | RT-470, RT-470X, RT-630, RT-730, RT-752, RT-890, RT-900 |
This antenna is generally compatible with most radios that use an SMA-Female connector.
8. User Tips
- **Confirm Connector Type**: Before purchasing, always double-check that your radio uses an SMA-Male connector to ensure direct compatibility with the AM-771 PRO's SMA-Female connector.
- **Antenna Length Choice**: Consider your primary use case. The 48cm version may offer slightly better range, while the 37cm version is more compact for portability.
- **Air Band Monitoring**: This antenna is specifically designed for air band frequencies. For other frequency bands, a different antenna might be more suitable for optimal performance.
9. Warranty and Support
For any questions regarding the Baofeng AM-771 PRO antenna, including technical support or warranty claims, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
