Complaint
| Product Name | 4G Fixed Wireless Phone |
| Model | ETS6688 |
| Chipset | Spreadtrum SC9820E,Cortex A53 Dual-core, Clock: up to 1.3GHz Support DVFS |
| SIM Card | Support 3V & 1.8 V SIM card,Single/dual SIM (optional) |
| Memory | MCP(ROM 4GB,RAM 512MB) |
| SD Card | support |
| Wireless standard | GSM/TD-SCDMA/WCDMA/FDD-LTE/TD-LTE |
| Working frequency | GSM/GPRS: 850/900/1800/1900Mhz WCDMA:B1/B2/B3/B5/B8/B10 TD-SCDMA:B34/B39 FDD-LTE:B1/B2/B3/B4/B5/B7/B8/B20/B28 TDD-LTE: B38/B39/B40/B41 |
| Data | FDD-LTE: 150 Mbps DL / 50 Mbps UL TD-LTE: 130 Mbps DL / 35 Mbps UL HSPA+: 21 Mbps DL / 5.76 Mbps UL WCDMA PS: 42.2Mbps DL / 11.5Mbps UL TD-SCDMA: 2.8Mbps DL / 2.2 Mbps UL GSM CS:9.6Kbps DL/9.6Kbps UL GPRS class 12: 85.6kbps DL / 85.6kbps UL |
| Speech coding | HR/FR/EFR/AMR Analog audio CSFB and VoLTE(optional) |
| WIFI | 802.11b/g/n,support wifi hotspot |
| WiFi users | Max up to 8 wifi users |
| System | Android 4.4 |
| Color LCD Display | 2.4 inches,resolution 240x320 |
| Main Function | WIFI Hotspot,VoLTE Voice,MP3,Bluetooth,FM Radio SMS,Make/receive call |
| Hands free,speed dial,call forwarding,weather forecast etc | |
| Antenna interface | Integrated/TNC detachable antenna (optional) |
| Standby | Standby:120hrs talking time<5hrs |
| Dimension | 200*160*57mm |
| Power supply | DC 5V/1A |
| Battery | 3.7V/1000mAh |
| Accessory | Wire coil,handset,power adapter,back-up battery,user manual |
| Common function | |
| SIM Toolkit(STK) | support |
| Call record | Maximum 200 Record |
| SMS storage | 300 SMS + SMS in SIM |
| Alarm clock | support |
| Language | English,Spanish,French,Russian,Arabic etc |
| Backlight brightness adjustment | support |
| Power indicator | support |
| Handle mode | support |
| Hands free mode | support |
| Volume adjustment | support |
| Call time display | support |
| Missed call/received call/Called | support |
| DTMF dial | support |
| Speed dial | support |
| Upgrade | Support (through USB port) |
| Network Function | |
| Network selection | support,receive/auto |
| Network lock | support |
| Call forwarding | support |
| Call waiting | support |
| Display | |
| Number of characters per line and number of lines: | 10*4(row:4,column:10+) |
| Key input display | support |
| Boot screen/Logo display | support |
| Time display | support |
| Signal strength display | support |
| New SMS tips | support |
| No service display | support |
| Power status display | support |
| Error warning prompt | support |
| Dial tone and Ringtone | |
| Ringtone | 48k 16 bit mp3 tone |
| Busy tone | support |
| Dial tone | support |
| Incoming call ringtone | Support,12 tones |
| Ringing tone adjustment | support |
| Text message receive ringtone | support |
| Keypad tone | support |
| Keypad tone adjustment | support |
| Environment parameter | |
| working temperature | -20 ºC ~+70 ºC, |
| Storage temperature | -25 ºC ~75 ºC |
| Working humidity | 10%~95%(no frost) |
| Storage humidity | 5%~95% |
| Environment Noise | ≤60dB(A) |
| Name | Quantity (Piece) |
| Fixed Wireless Phone (4G) 6688 | 1 |
| Handset | 1 |
| Handle line | 1 |
| User Manual | 1 |
| Li-ion Battery (3.7v 1000mAH) | 1 |
| Ac adapter | 1 |
| TNC detachable antenna (Optional) | 1 |
