Gosuncn RichLink Technology Co., Ltd.
GR531-NA
LTE Cat.4 Industrial Router
GR531-NA is a compact Industrial Cellular Router that provides reliable connectivity in
rigorous cond itions common in industries like smart meter, monitoring, and retail. This
model is equipped with 4G LTE, WLAN, and two Ethernet ports, making it ideal for quickly
setting up primar y and backup connectivity with remote management capabilities.
Multiple Network
Protocols
WLAN/WAN/Cel lular
Auto-fail over
Compact Size
Richlink Cloud
FOTA/Remote
Configurati on
Wide Temper ature
PoE
VPN for D ata Securi ty
Dual SIM
Dual Image Backup
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Appli cation Scenarios
EV Charging
Vending Machine
Video SurveillanceSmart Metering
GR531-NA Industrial Router can be widely used in smart metering, video surveillance,
vending machine and EV charging scenarios.
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Main Features
Dual SIM B acku p
1×W AN/L AN+1 ×LA N
WLAN 2. 4G+ 5G
GNSS (op tion al)
Physi cal Speci fication
Dimension*
82.4×78. 0 ×28.3m m
Weight
About 168g
Casing M aterial
Aluminum hous ing
Mounting
Bracket/DIN
Operating En vironmen t
Operation T emperatu re
-30℃ ~ +70 ℃
Storage T emperatur e
-40℃ ~ +85 ℃
Humidity
5%~95% RH
Waterpro of and dus tproof
IP30
Anti-vibration rating
IEC 6006 8-2-6：2007
Mobile
Modem
LTE Cat.4 , LTE: Ma x. DL 150 Mbps / UL 50Mbps;
HSPA+: Max . DL 42Mbp s / UL 5.7 6Mbps
Status
Signal stre ngth (RSSI ), SINR, R SRP, RSRQ, EC/IO, R SCP, Bytes sent/rece ived,
connected band, IM SI, ICCI D
SIM Manag ement
SIM selec t, SIM lock
APN
AutoAPN
Network
Network sel ect, Band lock, Used band s tatus displa y
78.0mm
28.3mm
82.4mm
Ethernet
WAN/LAN
WAN/LAN1, 10 /100 Mbps , complia nce with IE EE 802. 3, IEEE 802.3u s tandards ,
supports a uto MDI/MDIX
LAN
LAN2, 10/100 Mbps, c ompliance with IEEE 802.3, I EEE 80 2.3u stand ards,
supports a uto MDI/MDIX
Notes:
Dimension*: Housing measurements are presented without antenna connectors, screws and bracket;
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WLAN
Wireles s Mode
IEEE 80 2.11 a/b/g /n/ac, Acc ess Point ( AP), Station (STA)
WLAN Secur ity
WPA_TKIP, WPA_AES, WPA_TKI PAES, WPA2 _TKIP, W PA2_AES, W PA2_TKIPA ES,
WPAWPA2_T KIP, WPAW PA2_AES, WPAWPA2_T KIPAES, W PA3_AES,
WPA2WPA3_ AES, WPAW PA2WPA3_A ES
WPS
PIN code, PBC
WLAN User s
Up to 10 si multaneous connections
Serial
Type
1×RS-232 + 1 × RS-485 serial p ort
Signal Defin ition
RX, TX, GND (RS-23 2) , A, B
Baudrate
RS-232 (300 -115200bp s), RS-485 (300-1152 00bps)
Physi cal Interface
Ethernet
RJ45 port× 2, 10M/100 M
I/O
1×Digital I nput, 1×Dig ital Output on 4-pin powe r connecto r
Status LED
Power, Sig nal, Net s tate, LAN1, L AN2, WLAN
SIM
2×SIM slot (Mini SIM – 2FF), 1.8 V/3 V; 1×e SIM QFN 5× 6 (optional )
Antenna
SMA Female: 2 for LTE ,1 for W LAN, 1 for GNSS
Power Supply
4-pin industr ial DC pow er socke t
Serial
2×3-pin 3. 5 mm soc ket
Reset
Factory re set button/W PS
Power
Connector
4-pin industr ial DC pow er socke t
Input Voltag e Range
9~ 30 VDC , revers e polari ty protection , surge protection > 33 VDC 10 us max
PoE (Pass ive)
Passive Alte rnative B PoE. Poss ibility to pow er up throu gh LAN1 por t , not
compatible with IEEE 802.3af, 802.3at and 802.3 bt standar ds.
Power Cons umption*
Idle: <2 W , Max: <10 W
Industrial P rotoco ls
WAN Failove r
Automatic swi tching to av ailable b ackup con nection, W LAN, Mobile , Etherne t,
each of whic h can be used as an automa tic Failover
Network Proto cols
PPP, TCP, U DP, DHCP, DHCP RE LAY, ICMP, NAT, HT TP, HTT Ps, DNS, AR P, NTP,
SSH, DDNS, e tc.
Routing
Static Routing , Policy ro uting, RIP, OSPF and BG P, etc.
Firewall
NAT, DMZ, Port Forword , IP/MAC Fi lter, Acce ss Contr ol List
VPN
PPTP/L2TP/GRE /IPSec
Remote Man agement
HTTP, SSH , SNMP V2/V 3, RICH LINK Cloud
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Appearan ce
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What’s in the Box?
GR531 Industrial Router ×1
LTE Antenna (SMA Male) ×2
Ethernet Cable(1M) ×1 18W PSU* (Power Supply Unit) ×1
QSG×1
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Optional Accessories
WLAN Antenna(1.5M, RP-SMA)
GNSS Antenna(1M, SMA Male)
4 Pin to DC Barrel
Socket Adapter(0.1M)
Power Cable with 4-way Screw
Terminal(2M,used for DI/DO)
DIN Rail Kit
2*3 PIN Connecter
LTE Mobile Magnetic SMA
Antenna (1.5/3M, SMA Male)
Single Port POE Injector，
50V/0.6A
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FCC Regulatory
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This devicemay not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference toradio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
Please take attention that changes or modification not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
FCC RF Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. To
comply with FCC RF Exposure compliance requirements, this grant is applicable to only Mobile Configurations.
The antennas used for the transmitter must be installed to provide a separation distance of at least 20cm from
all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
