Specifications

F20 Introduction
This device can be connected to 2.4G/5G network, support 802.11 a/b/g/n.
 Bluetooth 4.2
This device can be connected to smart phone or bluetooth headset through this interface.
 NFC
NFC is a POS function, which supports 13.56MHz，ISO/IEC 14443，ISO18092， Type
A&B、Felica，
Mifare card.
1.3.4 Battery and Power Source
Removable polymer lithium battery, 7.6V/2500mAh, with charge protection and RTC battery.
1.3.5 Audio
 Speaker
This device can play audio through this interface.
 Mic
This device can record through this interface.
 Buzzer
Notify the user by beeping when needed.
1.3.6 Camera
 Front Camera
A front camera: 2M，FF
 Rear Camera
8M AF with Flash of the rear camera, and support scanner 1D&2D code.
1.3.7 SIM card
This device can insert into two sim card.
1.3.8 PSAM card
This device can insert into PSAM card.
1.3.9 TF-card
Max support 64GB TF-card.
1.3.10 Contact IC card Reader
Support contact IC card (ISO/IEC 7816-1/2/3/4 Chip Card), Type A/B/C. When inserting the IC card,