| SD55MD Basic Parameters |
| OS | Android 8.1 |
| CPU | Octa-Core 2.0 GHz |
| RAM | 4GB |
| ROM | 64GB |
| Expansion | Micro SD (TF) card slot up to 128GB |
| Keypad | 5 side buttons,2 volume buttons,2 function buttons(1 left and right),1 power button |
| Audio | 1609 Dual speakers,waterproof design,Dual silicon mic noise reduction |
| Notification | Sound/vibration/LED prompt |
| Dimentions | 150mm*72.5mm*15mm |
| Weight( with battery) | 200g |
| Camera |
| Camera | Rear camera 13MP AF(16MP PDAF option)；Front Camera 5MP FF |
| Focus mode | Autofocus ; Front focus |
| Flash | Support single color LED flash |
| Display |
| Display | 5.5inch Full Screen |
| Resolution | 720*1440 |
| Touch Panel | 5-point capacitive touch screen |
| Power |
| Battery | Large-capacity unremovable Li-ion battery 4500mAh |
| Charging | PE fast charging, fully charged time< 4 hours
Wireless charging QI standard, 5w or 10w |
| Interface | Support USB-TypeC, support fast charge, support OTG |
| Communication |
| Bluetooth | BT4.0 BLE |
| WLAN | WiFi 802.11 a/b/g/n 2.4G 5G |
| WWAN | FDD-LTE B1/B3/B5/B7 or B1/B4/B8/B13
TDD-LTE B38/B39//B40/B41
TDSCDMA B34/B39
WCDMA B1/B2/B5/B8
GSM B2/B3/B5/B8
CDMA1x/CDMA2000 BC0 |
| GPS | GPS,GLONASS,BeiDou,AGPS,option UBLOX8030 |
| Performance |
| Operation Temperature | -20℃ ~60℃ |
| Storage Temperature | -30℃ ~+80℃ |
| Humidity | 5%~95%(No condensation) |
| Sealing | IP67 |
| Drop Test | In the operating range, 6 sides can withstand the impact of 1.5 meters drop to the concrete floor |
| Tumble Test | 6 contact surfaces rolling for 1000 times/ 0.5M |
| ESD | ±15kV Air Discharge, ±8kV Contact Discharge |
| Certificate | CCC,CTA |
| Extensibility |
| NFC RFID Reader | NFC (PN548) Support NFC Reader/writer, ISO14443-A/B/F, ISO18092, FeliCa, MIFARE, ISO15693 |
| Barcode Scanner | 1D/2D: Honeywell N6603 or Speedata SD5670 |
| PSAM | support |
| Sensor | geomagnetism, acceleration, light perception distance |
