United States$5,000,000+
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O
Oliver Bennett
5
Reliable 3G CDMA router with advanced security. Keeps branch offices online during link failures.
C1841-3G-S-SEC/K9
Cisco 1841, HWIC-3G-CDMA-S, 64MB FL /256MB DRAM, Adv Securit
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C1841-3G-S-SEC/K9
- Description:
- Cisco 1841, HWIC-3G-CDMA-S, 64MB FL /256MB DRAM, Adv Securit
- Rating:
Added to cart 28 times recently
- Availability:
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- Brand:
- Cisco
- GTIN:
- 882658218200
- Condition:
3 Year Extended Warranty
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C1841-3G-S-SEC/K9 Overview
C1841-3G-S-SEC/K9 is a compact, fixed-configuration integrated services router engineered for branch offices and enterprise environments. Designed with a robust architecture, it offers versatile power options via an AC power supply and supports both wired WAN connectivity and LAN interfaces. The device integrates advanced security and VPN features, ensuring secure remote connectivity and safeguarding data traffic while delivering reliable performance even under demanding network conditions.
This router provides integrated services that include voice capabilities and firewall protection with support for QoS, making it ideal for applications ranging from secure Internet edge connectivity to unified communications. In addition to its built‐in 3G integration for wireless WAN redundancy, it features modular expansion slots for EHWIC modules that allow network administrators to scale performance and connectivity as business needs evolve.
C1841-3G-S-SEC/K9 price is is available on request. Get immediate quote.
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C1841-3G-S-SEC/K9 Specifications
- Power Source
- AC Power Supply
- Flash Memory
- 128 MB
- Memory
- 512 MB
- Ethernet Technology
- 10/100
- Form Factor
- Desktop
- Weight
- N/A
- Height
- N/A
- Depth
- N/A
- Width
- N/A
- Product Type
- Enterprise Router
- Routing Protocols
- OSPF / BGP / EIGRP / RIP / Static Routing
- Broadband
- 3G
- Architecture
- Fixed
- WAN Ports
- 2 WAN
- LAN Ports
- 2 LAN Ports
- Wi-Fi Standard
- N/A
- Connectivity Type
- Wired
- Wireless Support
- No
- Firewall Features
- Yes
- Management
- Managed
- High Availability Support
- Not Supported
- Safety
- N/A
- EMC
- N/A
- Telecom
- N/A
- QoS Features
- Supported
- Modular Slots Available
- 2 Slots
- Stacking Capability
- No
- 5G Support
- No
- Interface Ports
- RJ-45
- Device Type
- Router
- WAN Configuration
- WAN
- Expansion Slots
- EHWIC
- Speed/Capacity
- N/A
- Use Case
- Enterprise
- Integrated Services
- Voice
- Network Protocols
- IPv4 / IPv6
- Compliance Standards
- FCC / CE / UL
- Remote Management
- SSH / Telnet / SNMP
- Features
- VPN / Firewall / IPv6 Compatible
- Built-in Security Features
- Firewall
- VPN Support
- IPSec VPN
- Power
- 45 W
- Throughput Capacity
- 0.035
- Product Name
- Cisco C1841-3G-S-SEC/K9 Integrated Services Router
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 C1841-3G-S-SEC/K9 |  CISCO1811W-AG-B/K9 |  CISCO1841-ADSL2-I |  C1861W-SRST-C-F/K9 |  C1861-UC-4FXO-K9 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | 3G | DSL | DSL | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / UL | FCC / CE | FCC / CE | FCC / CE / UL | FCC, CE |
| Connectivity Type | Wired | Wired / Wireless / Ethernet | Wired | Wired | Wired |
| Depth | N/A | 14.1 inches | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | FCC, CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 Fast Ethernet | 10/100 | 10/100 |
| Expansion Slots | EHWIC | N/A | EHWIC / NIM | EHWIC | EHWIC |
| Features | VPN / Firewall / IPv6 Compatible | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN / Firewall / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 32 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Desktop | Desktop / Rack-mount | Desktop / Rack-mount | Desktop | Rack-mount |
| Height | N/A | 1.7 inches | N/A | N/A | N/A |
| High Availability Support | Not Supported | Supported | Not Supported | Not Supported | Supported |
| Integrated Services | Voice | Voice / Video | Voice / WAN Optimization | Voice | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 / ADSL | RJ-45 | RJ-45 |
| LAN Ports | 2 LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 128 MB | 128 MB | 512 MB | 256 MB |
| Modular Slots Available | 2 Slots | N/A | 2 Slots | 1 Slot | 1 Slot |
| Network Protocols | IPv4 / IPv6 | IPv4 | IP | IPv4, IPv6, MPLS | IP |
| Power | 45 W | 65 W | 75 Watt | 65W | 60 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco C1841-3G-S-SEC/K9 Integrated Services Router | CISCO1811W-AG-B/K9 Wireless Gateway Router | CISCO1841-ADSL2-I | Cisco 1861W Integrated Services Router with SRST | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | SSH / Telnet / SNMP | Telnet / SSH / SNMP | CLI, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | UL, cUL |
| Speed/Capacity | N/A | Fast Ethernet | N/A | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | FCC Part 68 |
| Throughput Capacity | 0.035 | 0.15 Gbps | 35 Mbps | N/A | 0.025 Gbps |
| Use Case | Enterprise | Enterprise | Enterprise / Small Business | Small Business | Business |
| VPN Support | IPSec VPN | IPSec / SSL VPN | IPSec / SSL VPN / GRE | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN |
| WAN Configuration | WAN | Dual WAN | WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 WAN | 1 WAN (ADSL2) | 2 WAN | 2 WAN |
| Weight | N/A | 10 lbs | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | WiFi 3 | N/A | WiFi 4 | N/A |
| Width | N/A | 17.7 inches | N/A | N/A | N/A |
| Wireless Support | No | Yes | No | Yes | No |
Reviews & Ratings
E
Emma Sullivan
4
Cisco 1841-3G-S-SEC provides smooth backup connectivity and secure routing. Ideal for remote sites.
L
Lucas Parker
5
Strong security features and dependable 3G performance. Easy to deploy and manage.
M
Mia Howard
3
Stable routing with robust security. Keeps our small office connected reliably.
J
James Morgan
4
Trusted Cisco build and consistent uptime. Excellent for business continuity requirements.
Questions & Answers
What are the key features of the Cisco 1841 C1841-3G-S-SEC/K9 router?
The Cisco 1841 C1841-3G-S-SEC/K9 integrates dual Fast Ethernet ports, a HWIC-3G-CDMA-S mobile broadband module, 64 MB Flash, 256 MB DRAM, and an Advanced Security license for VPN, firewall, and intrusion prevention.
What throughput can I expect with the Cisco 1841 and advanced security enabled?
With the Advanced Security license active, the Cisco 1841 delivers up to 25 Mbps of secure data throughput, supporting IPsec VPNs, stateful inspection, and threat defense.
How does the HWIC-3G-CDMA-S module improve connectivity?
The HWIC-3G-CDMA-S module provides native CDMA2000 1xRTT and EV-DO Rev. 0/Rev. A cellular connectivity, enabling reliable WAN backup or primary data transport where wired links are unavailable.
What are the memory specifications of this Cisco 1841 model?
This Cisco 1841 ships with 256 MB of DRAM for routing tables and features, plus 64 MB of Flash for IOS images and configuration files.