GCI Approved Modems

The list for GCI approved modems is extremely short. The only recommended modem for GCI internet service is the Arris CM820.

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Last Updated: March 1, 2019

GCI Approved Modems for March 2019

Top Modem Pick

ARRIS Touchstone CM820 DOCSIS 3.0 GCI Approved Modems
ARRIS Touchstone CM820 Cable Modem


Model #ARRIS Touchstone CM820
Download Speed343 Mbps
Channel Bonding8 Download & 4 Upload
WiFi RouterNo
VoIP Telephone AdapterNo

Full GCI Approved Modem List

The Modems Listed Below Are All DOCSIS 3.0 Modems
* Indicates a DOCSIS 3.1 Modem
♦ Indicates an Intel Puma Chipset Defect – Do Not Buy

Note: ✅ means Yes, ❌ means No

BrandModel #ChannelsMax SpeedVoIPWiFi
ARRISCM820A8×4343 Mbps
HitronCDA3-35 ♦32×81.2 Gbps
HitronCODA-45* ♦32×81.97 Gbps

Channels: first # refers to downstream channels, second # refers to upstream channels (e.g. 16×4, means 16 downstream channels and 4 upstream channels)
The more channels, the faster the speed

Max Speed: refers to the theoretical maximum download speed

VoIP: indicates if the modem has telephone capability

WiFi: indicates if the modem has WiFi capability

GCI Approved Modems Added in July 2017
Hitron CDA3-25
Hitron CDA3-35
Hitron CDA3-45
Hitron CODA-45

GCI Company Information

GCI Phone Support: 1-800-800-4800
GCI Email: rcs@gci.com
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GCI operates in Alaska.

Approved Modems Helpful Resources

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