Yifan Yeacomm D21 User manual

D21 4G LTE USB WiFi Dongle
Yifan Industry Co., Ltd
Room618, No.12 Gaodian Road, HuLi
District, Xiamen,FuJian, China
Tel:[phone]
Fax:[phone]
Email: [e-mail]

1
1. Overview
Yeacomm D21 is a high-speed USB Wi-Fi modem router. It
is a multi-mode wireless terminal.
The D21 supports the following standards:
Wireless access is available on both 3G&4G network.
Internet connection sharing, up to 8-10 users can
access the Wi-Fi network at the same time.
Work with external power supply, no limited working
time.
CAT4 150 Mbps DL / 50 Mbps UL speed.
Standard USB 2.0 compatible Tabletm, Laptop,
notebook, power bank, car&phone charging.
One-touch connection.

2
2.Detail Specification
Basic Product Information
Description
Remark
Model
D21
4G Wi-Fi dongle
Frequency
FDD-LTE
B1/3/7 (B2/5/8/20 Optional)
TDD-LTE
B38/39/40/41
UMTS/WCDMA/HSPA/HSPA+
B1/2/5/8
GSM
850/900/1800/1900Mhz
Speed
TDD-LTE
150Mbps DL/50Mbps UL
FDD-LTE
150Mbps DL/50Mbps UL
UMTS/WCDMA/HSPA/HSPA+
21Mbps DL/5.76Mbps UL
Wi-Fi
2.4GHz, 802.11b/g/n up to 150Mbps
Modes supported:
802.11b mode
802.11g only mode
802.11n only mode
802.11b/g only mode
802.11b/g/n mode
802.11n 1*1(2.4GHz,
20MHz)
User amount
Max to 10 users

3
Interface
Antenna
4G/3G/2G Main antenna
4G MIMO/3G Rx Diversity
antenna
WiFi antenna
Internal
USB
Standard USB 2.0
USB 2.0 High Speed
SIM/USIM Card slot
Yes
Standard 6 PIN SIM card
AP Features
Security modes
Open
WEP
WPA-PSK
WPA2-PSK
WPA-WPA2 Hybrid
mode(Mixed Mode)
TKIP-CCMP Hybrid
mode(Mixed Mode)
WPS 2.0
Hidden SSID supported
Concurrency (FC quality for
LE1.0)
AP-STA
mSSID (AP-AP) – up to 2
SSID's
STA-STA communication
block/allow between two
SSIDs
Independent security modes
(Open, WEP, WPA, WPA2,
WAPI) for
concurrency modes
above except WEP in both
interfaces
Channel of operation - same
channel
Other
QoS and PS
WMM
WMM-PS/uAPSD
ERP protection
Coexistence
LTE coexistence (static
channel selection)
Data Switching/Forwarding
Switching of packets amongst
clients
Support for forwarding data
to and from WAN
VPN Pass-through

4
interface, compliant with
3GPP 31.101
and 31.102
Micro-SD Card slot
Yes
Micro-SD Card
L*H*W(mm)
96*34*12mm
Weight(g)
32g
LTE
Power
Red
Wi-Fi
Green
LTE
Blue
Other Description
RF Power Spec
Class 4 for UMTS/HSPA/LTE;
Class 4 for GSM 850/900;
Class 1 for GSM 1800/1900;
Class E2 for EDGE
850/900/1800/1900
Power Supplu Input
USB 2.0 5V-1A
Software
UI
WEB UI
Operation system
Windows / Mac OS /IOS/ Android
Operation
Internet Explorer/Mozilla
Firefox/Google Chrome/Safari
Environmental
Normal Operation
0℃to +45℃
Restricted Operation
-10℃to +55℃
Storage
-20℃to +70℃
Certificate
ROHS
Compliance
CE
Compliance

5
3.Web Page
After you connect the router to PC , the Web page is displayed on the PC desktops automatically.
You can directly use the default settings (or configure APN on the Web page) and set up a network
connection. Or you can set up via wifi connection. Enter: http://192.168.0.1
3.1 Reset setting
3.2 System status