Gateways, Routers

Part Number	Description / PDF	Quantity
TX54-A206 Digi	ROUTER DUAL LTE, WI-FI WORLDWIDE	8
WR21-M22B-DE1-SB Digi	CELLULAR ROUTER EMEA HSPA+/LTE	0
ASB-EX15-XC18-GLB Digi	EX15 LTE CELLULAR ROUTER	10
IX20-00M1 Digi	IX20 GLOBAL CAT-M1	45
WR21-M52B-DE1-SB Digi	CELLULAR ROUTER N AMER LTE/HSPA+	134
XR-Z14-CW1P2 Digi	XBEE ZB RANGE EXTENDER EU PLUG	4
X4-Z1J-U901-W Digi	GATEWAY HSPA+ ETHERNET RS232 USB	0
IX20-0AM1 Digi	IX20 GLOBAL CAT-M1 + ACC	42
X2-A11-EM-W Digi	GATEWAY 802.15.4 RJ-45 ETHERNET	0
WR21-M72A-DE1-TB Digi	CELLULAR ROUTER EMEA EDGE HSPA+	1
ASN-6350-SR03-GLB Digi	ACCELERATED 6350-SR03 LTE ROUTER	0
IX14-M901 Digi	DIGI IX14 AU/NZ LTE CAT1	41
WR31-M22A-DE1-TB Digi	CELLULAR ROUTER EMEA 450M	0
IX14-M601 Digi	DIGI IX14 LTE NA AT&T,VZW	190
IX14-L301 Digi	DIGI IX14 LTE EUC1, ***SOLD ONLY	17
WR21-D52A-DE1-TA Digi	CELLULAR ROUTER EMEA CDMA	0
IX20-WAM1 Digi	IX20 WI-FI GLOBAL CAT-M1 + ACC	45
XGI-20CZ7-E00-W0 Digi	GATEWAY ZIGBEE ETHERNET	27
IX20-W0M1 Digi	IX20 WI-FI GLOBAL CAT-M1	45
LR54-AA403 Digi	CELLULAR ROUTER GLOBAL 4G LTE	0

Gateways, Routers

1. Overview

Gateways and routers are critical networking devices that enable data transmission across heterogeneous networks. Gateways act as protocol converters, facilitating communication between networks using different architectures or data formats. Routers operate at Layer 3 (Network Layer) of the OSI model, directing data packets between networks based on IP addresses. These devices form the backbone of modern communication infrastructure, supporting enterprise connectivity, internet access, and IoT integration.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Edge Routers	Connect enterprise networks to ISP networks, support high-speed packet forwarding	Corporate branch offices
Core Routers	High-throughput devices for backbone network infrastructure	Telecom operator networks
Industrial Gateways	Convert fieldbus protocols (Modbus, CAN) to Ethernet/IP	Smart manufacturing systems
Wireless Routers	Integrate Wi-Fi 6/5G connectivity with routing functions	Home and SME networks
Security Gateways	Combine routing with firewall, IDS/IPS capabilities	Government data centers

3. Structure and Components

Typical physical structure includes:

Hardware: Multi-core processors (1-10 GHz), SFP+/QSFP ports, PoE support
Memory: Flash storage (256MB-16GB), DDR4 RAM (1-64GB)
Interfaces: Ethernet (1GbE-100GbE), serial ports (RS232/485), fiber connectors
Software: Routing OS (e.g., Cisco IOS, OpenWRT), protocol stacks (TCP/IP, BGP)

4. Key Technical Specifications

Parameter	Description	Importance
Throughput	0.1-100 Gbps processing capacity	Determines network bandwidth ceiling
Port Density	4-128 configurable ports	Affects scalability and deployment flexibility
Protocol Support	IPv4/IPv6, OSPF, BGP, MPLS	Enables multi-vendor interoperability
Latency	5-100 s for enterprise models	Critical for real-time applications
Redundancy	Hot-swappable modules, dual PSU	Ensures 99.999% uptime

5. Application Areas

Main industries and typical devices:

Telecommunications: 5G backhaul routers (Huawei NE40E)
Healthcare: Medical gateway devices (Philips eICU Connect)
Smart Cities: LoRaWAN gateways (Cisco IW6300)
Finance: High-security routers (Juniper SRX series)
Home: Wi-Fi 6 mesh routers (Netgear Nighthawk)

6. Leading Vendors and Products

Vendor	Representative Product	Key Features
Cisco	ASR 9000	100Gbps throughput, IOS XR
Juniper	MX204	Cloud-optimized routing
Huawei	NE40E-X16	400Gbps per slot
MikroTik	CRS326-24G-2S+	Cost-effective Layer 3 switching
Dell	Z9432F	Open networking support

7. Selection Recommendations

Key considerations:

Performance requirements: Match throughput to peak traffic (20-30% buffer recommended)
Scalability: Modular designs for future expansion
Security features: Built-in firewall and encryption capabilities
Management tools: SDN compatibility and centralized control
Power efficiency: 80 Plus certification for data centers

8. Industry Trends

Emerging developments include:

Convergence with SD-WAN technology for hybrid networks
AI-driven traffic optimization (Cisco DNA, Juniper Mist)
5G-integrated edge routers for low-latency applications
Quantum-resistant encryption gateways (post-2025 roadmap)
Green routing solutions with 40% lower power consumption