• Cisco C881G-LTE-GA-K9 router with dual antennas and Ethernet ports
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Cisco

Cisco C881G-LTE-GA-K9 | LTE Cat 3 dual-SIM (800/900/1800/2100/2600 MHz) + 3G HSPA+ fallback, 1x 10/100 WAN + 4x 10/100 LAN, integrated firewall & IPsec VPN, DMVPN-capable

C881G-LTE-GA-K9

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Description

Compact branch router with embedded 4G LTE for primary or backup WAN plus Fast Ethernet WAN/LAN for wired connectivity. Ideal for kiosks, retail, and small offices needing secure VPN and LTE resiliency.

Features

- Embedded LTE with dual-SIM for robust cellular WAN
- Fast Ethernet WAN plus 4-port LAN switch for branch connectivity
- Strong security: IPsec VPN and zone-based firewall
- DMVPN-ready for scalable encrypted overlays
- Simple deployment with CLI templates and SNMP monitoring

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

- Platform: ISR 881G series secure router
- Cellular: Embedded LTE Cat 3 dual-SIM (100/50 Mbps) with HSPA+ fallback
- LTE bands (GA): 800/900/1800/2100/2600 MHz; 3G UMTS/HSPA+: 850/900/1900/2100 MHz
- WAN: 1x 10/100 Fast Ethernet
- LAN: 4x 10/100 Fast Ethernet switch ports (802.1Q VLAN)
- Security: Zone-Based Firewall, IPsec VPN (AES), 802.1X, ACLs
- Routing: IPv4/IPv6, static, RIP, EIGRP, OSPF; DMVPN/PfR capable
- Management: Cisco IOS, CLI, SNMP, AAA
- Interfaces: Console (RJ-45), USB 2.0 host, external cellular antenna connectors
- Use case: LTE primary or failover WAN for small branch

FAQs

Q: Can I use two different carriers with the dual SIM?
A: Yes. The router can switch between carriers based on policy or signal conditions.

Q: Does it require a specific APN?
A: Use the APN provided by your carrier; APN configuration is done in IOS.

Q: Is Wi‑Fi included?
A: No, this model is wired plus cellular. For integrated Wi‑Fi, choose an 881W variant.

Q: Does it support IPsec site-to-site VPN?
A: Yes, it supports IPsec with AES and modern IKE options for site-to-site and remote access.

Q: How is failover handled between LTE and Ethernet WAN?
A: Failover can be configured using IP SLA tracking, static routes, and object tracking in IOS.

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