| Description | IMEI changeable 2 RJ-11 ports fixed cellular terminal sim based |
| Item no. | A390-4G |
| Module | Quectel EC25 |
| Polarity reverse | Support |
| RJ11 port | 2 |
| Feature refinements | supports DFOTA*, eCall* and DTMF |
| Speech Codec | HR/FR/EFR/AMR/AMR-WB |
| Echo Arithmetic | Echo Cancellation/Noise Suppression |
| VoLTE | Digital Audio and VoLTE |
| Interfaces | UART × 2 : Main UART and Debug UART |
| USB 2.0 with High Speed up to 480Mbps | |
| 1.8V/3.0V (U)SIM Interface | |
| Digital Audio through PCM Interface | |
| ADC × 2 | |
| SDIO × 2 (for Wi-Fi and SD card) | |
| UART/PCM Interfaces for BT4.0 Function | |
| Audio Playback/Audio Recording | |
| USB Serial Driver | Windows 7/8/8.1/10 or Windows CE 5.0/6.0/7.0* |
| Linux 2.6/3.x/4.1~4.14 | |
| RIL Driver | Android 4.x/5.x/6.x/7.x/8.x |
| NDIS Driver | Windows 7/8/8.1/10 |
| ECM Driver* | Linux 2.6/3.x/4.1~4.14 |
| Gobinet Driver | Linux 2.6/3.x/4.1~4.14 |
| Linux qmi wwan Driver | 3.x (3.4 or later)/4.1~4.14 |
| Consumption | Power off: 20uA |
| Sleep Typ: 3mA | |
| Idle: 22mA | |
| Display | STN Black& White |
| Resolution 128*64 pixels | |
| Adapter | EU, UK, USA, AU adapter etc. optional |
| SIM connection | 1.8V or 3.0V |
| Power Supply | Input 100-220V |
| Output | 12V 1A or 5V 1A |
| Battery | 600mAh, 800mAh, 1000mAh, 2000mAh |
| SIM card | 2FF; Single or dual sim card optional; |
| Color | Black or white or OEM; |
| LCD Size: | 67*30mm |
| Antenna | 3m or small rubber or built in antenna |
| Caller ID | DTMF or FSK or both |
| Frequency | FDD: B1/B3/B5/B8; TDD: B38/B39/B40/B41; WCDMA: B1/B8; GSM: B1/B8; |
| FDD: B1/B3/B7/B8/B20/B28A; WCDMA: B1/B8; GSM: B3/B8; | |
| FDD: B2/B4/B5/B12/B13/B14/B66/B71; WCDMA: B2/B4/B5; | |
| FDD: B1/B2/B3/B4/B5/B7/B8/B28; TDD: B40; WCDMA: B1/B2/B5/B8; GSM: B2/B3/B5/B8; | |
| FDD: B2/B4/B12; WCDMA: B2/B4/B5; | |
| LTE FDD: B1/B3/B5/B7/B28; WCDMA: B1/B5; | |
| FDD: B3/B7/B28; | |
| FDD: B1/B3/B5/B7/B8/B20; TDD: B38/B40/B41; WCDMA: B1/B5/B8; GSM: B3/B8; | |
| FDD: B1/B3/B8/B18/B19/B26; TDD: B41; WCDMA: B1/B6/B8/B19; | |
| FDD: B4/B13; | |
| Dimension | Device: 153*98*31mm |
| Pack Box: 181*123*81mm | |
| Package | Device*1； Adaptor*1； Battery(built in)*1； Straight Cable*1； User manual*1； Antenna*1pc； |
| Weight | 0.40Kg |
