Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 12/159
1.3 Specifications
Cellular Interface
Number of antennas: 2 (MAIN + AUX)
Connector: SMA-K
SIM: 2 , Mini-SIM or eSIM
Standards: FDD LTE/TDD LTE, backward compatible to 2G/3G
Ethernet Interface
Number of ports: 5 x 10/100 Mbps (It can be configured as 5x LAN or 4 x LAN + 1 x WAN)
ETH0 port: supports 802.3at PD function
Magnet isolation protection: 1.5 KV
WiFi Interface
Number of antennas: 2 (WiFi1 + WiFi2)
Connector: RP-SMA-K
Standards: 802.11b/g/n, 2*2 MIMO, supports AP and Client modes
Frequency bands: 2.4GHz
Security: Open、WPA、WPA2、WEP
Encryption: AES、TKIP、WEP64
Data speed: Maximum rate is 300 Mbps
GPS Interface (Optional, depending on the cellular module)
Number of antennas: 1
Connector: SMA-K, 50 ohm characteristic impedance
Positioning technology: GPS, QZSS, GLONASS, Galileo, BeiDou
Serial Interface
Number of ports: 1 x RS232 and 1 x RS485
Connector: 2 *4-pin 3.5 mm female socket
ESD protection: ±8 KV Air
RS232: TxD, RxD, RTS, CTS, SGND
RS485: Data+ (A), Data- (B)
DI/DO
Type: 1 x DI (wet contact) + 1 x DO (wet contact)
Connector: 2*3-pin 3.5 mm female socket
Isolation: 3KVDC
Absolute maximum : “V+”+ 30 V DC(DI, 30 V DC(DO)
Maximum input current of DI: 10 mA
Maximum output current of DO: 10 mA
Analog Input
Type: 1 x AI
Connector: 2*3-pin 3.5 mm female socket(Shared with DI / DO)