EWT201-470A20S Kit de test pour module d'interphone vocal sans fil
[Interface]：USB
[Dimensions]：50,0 * 100,0 mm
[Introduction]：Le EWT201-470A20S est un kit de test développé à partir du module d'interphone audio sans fil de la série EWM201. Il prend en charge l'alimentation via USB Type-C, la configuration par commandes AT et dispose d'une prise casque 3,5 mm. Les utilisateurs peuvent effectuer des tests rapides en connectant simplement l'antenne et l'alimentation.
Magasin officiel
| Serial Number | name | Function Description |
| 1 | Type-C | Type-C interface, accommodating both power supply and serial communication. |
| 2 | 3.5mm headphone jack | Supports MIC input and audio output |
| 3 | Speaker socket | Speakers are already connected. |
| 4 | Onboard microphone | - |
| 5 | RX indicator light | When constantly lit, it is in listening mode. |
| 6 | TX indicator light | When constantly lit, it is in the sending state. |
| 7 | Reset button | Module restart reset |
| 8 | PTT intercom button | Press once toggles the transmit/receive state. |
| 9 | Antenna SMA mount | Connect antenna |
| 10 | Voice intercom module | Pre-welded EWM201-470A20S/EWM201-470A30S |
| 11 | Volume up button | Press once to increase the volume by 1, with a total of 16 volume levels. |
| 12 | Volume down button | Press once to decrease the volume by 1, with a total of 16 volume levels. |
| 13 | Mute button | Not supported yet |
| 14 | Power consumption test interface | Current test interface |
| 15 | trumpet | - |
| 16 | Battery holder | A 5V DC power supply is recommended, but battery power is suggested for better communication performance. |