|  | BHT-1800QWB-1-A7 | BHT-1800QWB-2-A7 | BHT-1800QWB-3-A7 | BHT-1800QWBG-1-A7 | BHT-1800QWBG-2-A7 | BHT-1800QWBG-3-A7 | 
|  | Physical Characteristics | 
| Length | 158 mm | 
| Width | 79 mm | 
| Depth | 32 mm | 
| Weight | 275g | 
|  | Environmental Characteristics | 
| Temperature | -20° to 50°C | 
| Fluid/Dust Protection | IP67 | 
| Shock Resistance | 1.5m×60 times, 2.5m | 
|  | Hardware | 
| CPU | 1.3GHz Quad-core | 
| Memory | 2GB RAM, 16GB Flash, Micro SDHC/SDXC (Upto 128GB) | 
| Display | 5.0inch WVGA Colour Liquid Crystal dot matrix display(720×1280 dots, with White LED Backlight) | 
| Touch Screen | Dragontrail® PRO | 
| User Interface | 5 keys + 2 trigger keys | 
| Camera | Rear 8MP auto focus | 
|  | Front 5MP |  | Front 5MP | 
|  | Power | 
| Main Battery | 2900mAh Lithium Ion Battery | 
| Battery Life | Upto 24 Hours | Upto 12 Hours | 
| Wireless Charging | - | Yes | - | Yes | 
|  | Software | 
| Operating System | Android 7.1.2 | 
|  | Barcode Reader | 
| Type | Area Imager | 
|  | RFID Reader | 
| Type | - | NFC | - | NFC | 
| User Feedback | LED Indicator, Speaker, Vibrator | 
|  | Communications | 
| Wireless | IEEE 802.11a/b/g/n | 
| Bluetooth 2.0 + EDR | 
| - | 4G LTE/3G/GSM、VoLTE, A-GPS/GLONASS, Nano SIM ×2 |