GPON vs EPON – Compare Technologies & Find the Right FTTH Solution

GPON vs EPON – Which Passive Optical Network Technology Is Right for You?

GPON (Gigabit Passive Optical Network) and EPON (Ethernet Passive Optical Network) are the two dominant technologies for FTTH (Fiber to the Home) and FTTx broadband access networks. Both deliver high‑speed internet, voice, and video over a single optical fiber, but they differ in bandwidth, protocol, cost structure, and scalability. GPON offers asymmetric bandwidth (2.5 Gbps downstream / 1.25 Gbps upstream) and is widely adopted by telecom carriers for its superior QoS and higher split ratios. EPON provides symmetric 1 Gbps bandwidth and is based on the Ethernet standard, making it a cost‑effective choice for many network operators. YRTFIBER offers a complete portfolio of GPON and EPON equipment – including OLTs, ONUs, and XPON devices – to support network deployments of any scale, from small ISPs to large‑scale carrier networks.

GPON vs EPON – Key Differences at a Glance

• Bandwidth: GPON – 2.5 Gbps down / 1.25 Gbps up (asymmetric); EPON – 1 Gbps symmetric (IEEE 802.3ah)

• Protocol: GPON – ATM/GEM (ITU‑T G.984); EPON – Ethernet (IEEE 802.3ah)

• Split Ratio: GPON – up to 1:128; EPON – up to 1:64

• QoS: GPON – superior with T‑CONT and GEM ports; EPON – standard Ethernet QoS

• Cost: GPON – higher initial investment, better long‑term scalability; EPON – more cost‑effective for smaller deployments

• Compatibility: XPON devices support both GPON and EPON, offering maximum deployment flexibility

YRTFIBER GPON/EPON Product Portfolio

GPON OLTs

• 4‑Port GPON OLT (1U) – Supports up to 512 ONUs with 4×10G SFP+ uplinks. Ideal for medium‑to‑large FTTH networks.[reference:0]

• 2‑Port GPON OLT – Supports up to 256 ONUs with 2.5 Gbps downstream per port and 10G SFP+ uplinks. Compact solution for growing networks.

• 1‑Port Mini GPON OLT – Supports up to 128 ONUs with 2.5 Gbps downstream and 20 km reach. Perfect for small FTTH projects and remote deployments.

EPON OLTs

• 4‑Port EPON OLT with WiFi 6 – Built‑in WiFi 6 router, supports up to 1024 ONUs, 20 km coverage per port, with DBA/QoS and dual‑power redundancy.

• 4‑Port EPON OLT (Black) with CATV Overlay – Supports CATV overlay and integrated WiFi access, ideal for small ISPs, campus, and building networks delivering triple‑play services.

ONUs / CPE Devices

• WiFi 5 CATV ONU – Combines GPON/EPON, AC1200 dual‑band WiFi, and CATV output in a single device for broadband, TV, and VoIP.

• 4GE + 2POTS + USB + AC1200 xPON ONU – Single CPE for internet, phone, and Wi‑Fi with 4 Gigabit ports, 2 VoIP lines, USB 2.0, and dual‑band AC1200 WiFi.

• 1GE + 3FE + 1POTS + USB + 300M WiFi XPON ONU – Auto‑adapts to both GPON and EPON networks. Features 2.4G WiFi 300 Mbps, perfect for flexible deployments.

• 4GE XPON ONU with AC1200 WiFi – High‑performance XPON ONU with 4 Gigabit Ethernet ports and dual‑band AC1200 WiFi (2.4 GHz + 5.8 GHz up to 1200 Mbps).

Key Features

• GPON: 2.5 Gbps downstream / 1.25 Gbps upstream – ITU‑T G.984 compliant

• EPON: 1 Gbps symmetrical – IEEE 802.3ah compliant

• XPON devices auto‑adapt to both GPON and EPON networks

• Support for up to 1024 ONUs per OLT (EPON) / 512 ONUs (GPON)

• 20 km transmission distance per port

• Integrated WiFi 5 / WiFi 6, CATV overlay, and VoIP options

• DBA (Dynamic Bandwidth Allocation) and advanced QoS

• OEM/ODM available – custom configurations, branding, and firmware