ConnectPort® X4 Family

Rugged IOT Cellular Gateways designed for commercial grade and outdoor applications



  • WAN connectivity via LTE or 3G HSPA+ Networks
  • Local wireless connectivity through Zigbee/802.15.4
  • Local wired connectivity through RS-232/422/485, 2 Analog inputs and 2 Digital Inputs
  • Small commercial grade enclosure or NEMA 4X/IP66 case
  • Full routing/IP filtering plus IPsec/SSL VPNs with DES, 3DES or AES encryption
  • Easy development environment via DIA and Python scripting as part of Digi ESP IDE
  • Support for Modbus/Modbus TCP


Item ConnectPort X4 ConnectPort X4 IA ConnectPort X4 H
Wireless Interfaces - WWAN**
LTE CAT 1 N/A N/A Verizon: Bands 2,4,14

AT&T, T-Mobile: Bands 2,4,5 with 3G/2G Fallback

HSPA+ (U9)  850/900/1700 (AWS)/1900/2100 MHz; Transfer Rate (max): 5.76 Mbps up, 21 Mbps down
CDMA 1xRTT (Bx) 800/1900 MHz; Transfer rate (max): 153 Kbps up/down
Connector 1 or 2 x SMA (Center pin - on device: female; on antenna: male) 1 or 2 x SMA (Center pin - on device: female; on antenna: male) 1 or 2x SMA (Center pin - on device: female; on antenna: male)
SIM Slots 2 or 0 (CDMA variants) 2 or 0 (CDMA variants) 1
SIM Security SIM slot cover plates SIM slot cover plates Internal SIM slot
Wireless Interfaces - RF
Standard Zigbee (2.4 GHz), DigiMesh (2.4 GHz or 900 MHz), XBee-PRO 900HP, 802.15.4 or 868
Connector 1 x RP-SMA (Center pin - on device: male; on antenna: female)
Wired Interfaces - Serial
Ports 1
Standard RS-232 RS-232/422/485 (Software selectable)
Signal Support TXD, RXD, RTS, CTS, DTR, DSR and DCD
Flow Control Hardware and software flow control
COM Port Redirector RealPort®
Throughput Up to 230 Kbps
Connector DB-9 Male DB-9 Male Screw-down terminal block
Wired Interfaces - Ethernet
Ports 1
Standard IEEE 802.3
Physical Layer 10/100Base-T
Data Rate 10/100 Mbps (auto-sensing)
Mode Full or Half duplex (auto-sensing)
Interface Auto MDI/MDIX
Connector RJ-45
Wired Interfaces - I/O
Ports N/A N/A 2 analog and 2 digital
Connector N/A N/A Screw-down terminal block
Wired Interfaces - USB
Ports 1
Standard USB 1.1
Signaling Full-speed
Connector Type A
Management (Cloud-based) Digi Remote Manager
Management (Local) Web Interface via HTTP/HTTPS, Password access control, IP service port control; CLI via serial port, Telnet, Python scripting; Digi SureLink™ "always-on" connection)
Security SSL tunnels, SSHv2, FIPS 197 (IPsec, HTTPS)
Network Protocols UDP/TCP, DHCP, SNMPv1/v2
VPN IPsec with IKE/ISAKMP; Multiple tunnel support; DES, 3DES and up to 256-bit AES encryption; VPN pass-through, GRE forwarding; Simple Certificate Enrollment Protocol (SCEP) for X.509 certificate
Routing NAT, NAT-T (NAT traversal) VPN tunneling, Port forwarding, VPN/GRE pass-through; Access control lists (IP filtering), IP pass-through, Virtual Router Redundancy Protocol (VRRP) per RFC 3768
Industrial Protocol Support Modbus bridge enables Modbus serial to Modbus/TCP conversion; Integrated Python code allows gateway to act as Modbus client/master or Modbus server/slave; Functions like an Ethernet to serial bridge, but uses XBee to transport serial data; Handles unique timing issues per Modbus protocol rules; Uses Modbus Unit ID to look up IP or mesh MAC address.
Real-Time Clock Yes
Memory 16 MB Flash, 32 MB RAM
Input 6-30 VDC 6-30 VDC 100-240 VAC
Consumption Idle: 1.5 W, Max: 10.4 W Idle: 1.5 W, Max: 10.4 W Approx. 15 W
Protection 4 kV burst (EFT) per-4-4, 2 kV surge per EN61000-4 2 kV burst (EFT) (with included power supply
Connector Locking barrel Compression terminal block Pigtail AC power cord
DC Power Cord* Available upon request N/A N/A
AC Power Supply* 12 VDC power supply for 0º C to 40º C (32º F to 104º F) included; Extended temperature power supply available separately N/A Internal
Battery Backup N/A
Surge Protection 4 kV burst (EFT) per-4-4, 2 kV surge per EN61000-4 2 kV burst (EFT) (with included power supply)
External Power Supply 12 VDC power supply for 0º C to 60º C (32º F to 140º F) with locking barrel connector included; Extended temperature power supply available separately Compression Terminal; no external AC power supply included Internal AC power supply
Dimensions (L x W x H) 5.25 in x 3.35 in x 1.00 in (13.33 cm x 8.50 cm x 2.54 cm 9.50 in x 6.25 in x 3.75 in (240 mm x 160 mm x 95 mm
Weight 0.44 lb (0.20 kg) 3.10 lb (1.41. kg)
Status LEDs Ethernet status, Power, Cellular link/activity, Signal strength (4 bars), XBee link/activity Ethernet status, Power, Cellular link/activity, Signal strength (5 bars), XBee link/activity
Enclosure Material Industrial (metal) NEMA 4X
Enclosure Rating N/A IP66
Mounting Wall-mount bracket sold separately DIN rail bracket included 4x mounting feet on the unit's flange
Operating Temperature*** -30º C to +75º C (-22 F to +167 F)
Storage Temperature -40º C to +85º C
Relative Humidity 5% to 95% (non-condensing) N/A (enclosure is water-tight)
Ethernet Isolation 1500VAC min per IEEE 802.3/ANSI X3.263
Serial Port Protection (ESD) +15 kV Air Gap and +8 kV contact discharge per IEC 1000-4-2
Hazardous (Class 1 Div 2) No Yes No
Cellular Carriers Certified by most major carriers. See for current listing.
Safety UL 60950, CSA 22.2 No. 60950, EN60950; Class 1 Div 2 (IA model only)
Emissions/Immunity CE, FCC Part 15 (Class A), AS/NZS CISPR 22, EN55024, EN55022, Class A



ConnectPort X4 customizable Cellular M2M gateways offer a variety of LAN/WAN interface options for end-to-end networking of remote devices. The gateways include comprehensive IP protocols and IPSec VPN support for high-end routing and security. The easy DIA/Python development environment enables custom applications to run locally while interfacing across cellular networks for WAN connectivity to a centralized server.

ConnectPort X4 gateways feature a compact commercial grade enclosure or an optional outdoors IP66/NEMA 4X enclosure. Interface options include Ethernet, serial and Zigbee/RF for flexible connectivity to virtually any remote device.

All ConnectPort X4 gateways feature an end-to-end development environment using comprehensive Digi ESP™ IDE and DIA/Python programming languages. Digi Remote ManagerSM add secure, scalable cloud based management and web services integration for a complete remote asset platform.