Bts3900 Drfu

The Huawei BTS3900 DRFU (Double Radio Filter Unit) is a dedicated single-mode RF module designed for GSM (2G) networks. While it remains a critical component for legacy infrastructure maintenance, market trends in 2026 show a significant shift toward multi-mode modules like the MRFU for future-proofing.

Product Overview & Key Specifications

The DRFU serves as the radio interface in the BTS3900 cabinet, providing high-density voice coverage but lacking the software-defined flexibility of newer modules Cosconor.

* Module Type: Dedicated GSM-only; cannot be upgraded to 3G/4G via software Cosconor.

* Capacity: Supports up to 2 carriers per module, typically configured in S4/4/4 or S12/12/12 arrays CosconorTempestns.

* Output Power: Standard 20W for 900 MHz and 18W for 1800 MHz bands Cosconor.

* Legacy Role: Primary "workhorse" for regions maintaining extensive 2G footprints for voice and IoT (M2M) applications Cosconor.

Market Trends & Insights (2026)

The market for BTS3900 DRFU modules is currently defined by infrastructure maintenance rather than new network deployments.

* Refurbished Dominance: As major telcos decommission 2G/3G sites, the supply of refurbished and used DRFU units has stabilized, making them highly cost-effective for private networks and secondary market operators CoherentmarketinsightsSphericalinsights.

* Shift to SingleRAN: Most new investments are moving toward MRFU (Multi-mode) modules which support GSM, UMTS, and LTE concurrently, allowing for "smooth evolution" without physical hardware replacement Cosconor.

* Inventory Trends: Pricing is largely driven by the scarcity of "new-old stock" versus the high availability of tested used units from specialized telecommunication equipment vendors DatainteloCustommarketinsights.

Supplier Landscape

Verified suppliers primarily operate out of China and global secondary markets, offering a mix of new and refurbished stock.

I have compiled a list of 16 verified suppliers specializing in Huawei wireless infrastructure, including their certification status and transaction history. The file below provides a detailed breakdown to assist your sourcing decisions.