O
VERVIEW
Features and Benefits
640
M
I
NSTALLATION
G
UIDE
11
•
Support 5 V/
5
00mA for external USB peripherals
•
USB host or device is configured by Software
•
The 640m USB-C port is on the right-hand side
•
Smart device communication is through USB-C
Cellular (wireless communication)
•
4G LTE
Bluetooth (wireless communication)
•
Bluetooth 4.2 (BLE)
•
RF transmitter output power Class 1
•
RF receiver GFSK typical -90dBm, π/4 PSK typical -90dBm, 8-DPSK typical -
83dBm
WiFi (wireless communication)
•
Wi-Fi 2.4GHz / 5GHz dual band, 802.11 a/b/g/n(5GHz
ac support is an option
)
Main Battery •
Nominal capacity/voltage: 3000mAh/
3.8V
Ease of Use •
The lightweight, compact, stylish, and ergonomic balance provides a
convenient payment experience for the user.
•
Easy to hold, easy to carry. The 640m unit’s compact size allows it to easily fit
in your pocket.
•
Capacitive touch-screen UI access for merchant and customer.
•
The contactless (CTLS) functionality offers a convenient payment option for
consumers.
•
EMV card reader ensures secure payment option.
•
Large 4.3-inch LCD touchscreen.
