EWT201-470A30S Kit de test pour interphone vocal sans fil
[Interface]：USB
[Dimensions]： 50.0 x 100.0 mm
[Introduction]：Le EWT201-470A30S est un kit de test développé à partir du module d'interphone audio sans fil de la série EWM201. Ce kit prend en charge l'alimentation via USB Type-C, la configuration par commandes AT et dispose d'une prise casque 3,5 mm. Il suffit aux utilisateurs de connecter l'antenne et de mettre l'appareil sous tension pour effectuer un test rapide.
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. |