Specifications
Item	RS51
OS	Android 8.1 (GMS)
CPU	Octa-core 1.8GHz
Memory	16GB Flash / 2GB RAM; 32GB Flash / 4GB RAM (on request)
Expansion	Micro SD card slot with SDHC support (up to 32GB) and SDXC (up to 64GB)
SIM / SAM	2 SIM slots and 1 SAM slot
Operating power	Replaceable and rechargeable 3.8V 4000 mAh Li-ion battery	Replaceable and rechargeable 3.75V 5300 mAh Li-ion battery
Working hours	Minimum 12 hours	Minimum 16 hours
Wireless communication	WWAN: World All-Mode (2G) GSM: 850/900/1800/1900 (3G) CDMA: BC0, BC1, BC10 (3G) UMTS/HSPA/HSPA+: B1 (2100), B2 (1900), B4 (1700), B5 (850), B8 (900) (4G) FDD LTE: B1 (2100), B2 (1900), Band3 (1800), B4 (1700), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B20 (800), B25 (1900), B26 (850), B28 (700) (4G) TDD-LTE: Band38, Band39, Band40, Band41 WLAN: IEEE 802.11 a/b/g/n/ac/e/d/h/i/r/k/v/w WPAN: Bluetooth® Class I, V4.2, BLE, dual mode, V2.1 with Enhanced Data Rate (EDR) GPS: Built-in GPS, AGPS, GLONASS, BeiDou, Galileo
Barcode scanning	2D imager/Mid-range 2D imager
RFID read / write	HF RFID 13.56 MHz frequency which supports ISO14443A, ISO14443B, ISO15693, Felica Support NFC (Peer-to-Peer, Card Reader, Card Emulation)
Camera	Autofocus 13 megapixels (F2.0) with user-controllable flash
Display	4.7'' HD 720 (W) x 1280 (H); capacitive touch supports bare/wet/gloved finger and stylus inputs
Size	162 x 80 x 26 mm
Weight	330 g	365 g
Impact resistance	1.8 m (6 ft.) multiple drops onto concrete, 6 drops on each side; 1000 tumbles at 1 m; IP65/ IP67