no signal (the signal status can be checked by terminal
configuration page)
Press WPS key for 4 seconds, then release, the WPS
lights will be flashing. If device has been connected,
WPS light will be off. If device is always not
connected ,the light will just flashing 2min ,then to go
out
WIFI is opened and has data transmission
not connected or trying to connect SIM
Battery is charging or sufficient charge
Power normal, the router power on
Power abnormal, the router power off
Yeacomm YF-P21 User Manual
Thanks for choosing Yeacomm P21 4G wireless router, please read
and keep the user manual carefully.
1、Main Technology Parameters
●Working temps : -25℃ -- +65℃
●Relative humidity: 5%--95%
●Working frequency : FDD-LTE: B1/2/3/5/7/8/28
TDD-LTE: B38/39/40/41
●Power supply : input AC :100V~240V,50Hz~60Hz
Output DC: 12V, 1000mA
●Size:185mm*175mm*78mm
●Weight: 250g
●Rate of uplink and downlink :LTE(Cat 4): 150Mbps/DL;
50Mbps/UL
2、Product Interface and Indicator
2.1 Product diagram
⑶ LAN Port ⑷ USB
⑸ DC Power ⑹ Power Switch
⑺WLAN ON/OFF Switch ⑻ Reset Button
⑼WPS Button ⑽ External ANT interface
⑾SIM Card
2.3 Indicator
First Step:
(1) Take out the device, insert the SIM card according to the
instructions, and then use the matching power adapter to supply power
to the devices.
(2) Make the computer obtain IP address automatically, once the
computer get IP, input CPE IP address into the browser, press“enter”
to access CPE home page, click “login”in upper right corner to access
login page. You can get CPE default IP address、 username and
password from the nameplate attached at back cover.
2.2 Product interface
⑴ Phone Port ⑵ Battery
3、Quickly Config Guide
The router support standard RJ45 cable or WLAN wireless way
to connect computer, Support Windows XP, Windows 7,Windows
8,MAC OS, Linux, Android and so on.
Second step:
Go to the “Quick Settings”
(1) SSID configuration, the user can customize the SSID, easy to use
and memory.
The device is powered on
but the front panel power
light is off.
Check the line connection is correct,
the outlet is energized, the power
adapter is consistent with the
nameplate power supply.
The power light is normal
and the battery light is
yellow, and the system does
not operate properly.
Battery power is too low, can not
meet the equipment power supply,
then please plug in external power.
Computer local connection
is not displayed, can not
successfully PING IP
address of the device, can
not open the WEB page.
Check if the computer's network card
is up and the computer has obtained
the IP address. The computer is best
set to automatically obtain IP (DHCP
need to open the device, the default is
open), if it is manually set, make sure
that the set IP address and the device
in the same network segment.
The device is working but
can not access the internet
through the web
Set the computer to automatically
obtain the IP address and DNS server
address.
Change admin page login
password or SSID
password, but forget
password
Long press the reset button for more
than 7 seconds to restore the factory
settings, and then from the rear body
nameplate for relevant information.
(2) WiFi password settings, the user can customize the WiFi encryption
mode, and set their own password to prevent others from stealing the
traffic and to protect the security of the account.
(3) Preview the contents of the config, make sure it is correct and click
“apply”.
4、Package Contents
1 x P21 Router 1 x Power Adaptor
1 x LAN Port Cable(RJ45) 1 x P21 User Manual
5、Precautions
(1) When you remove and insert the SIM card ,please ensure the
device without power.
(2) Do not use the equipment in case of lightning weather and
unplug the external antenna and power adapter.
(3) If the device working fine, you’d better not change the
parameter or other function, if you changed it and cannot access
Internet or have poor experience, please press and hold the reset
button for more than 7 seconds to restore the factory settings.
6、Common faults and treatment methods
7.Customer Service
Xiamen Yifan Communication Technology Co.,Ltd
Hotline: +86-592-6101492
Fax: +86-592-5222813
Email: admin@yifanwireless.com
Head Office
8F, No. 2 of ChengYi North Street, Software Park, Jimei, Xiamen,
China
wwwyifanwireless.com