AHMA B20 — 474255A

• VendorNokia
• ModelAHMA B20
• Part Number474255A
• CategoryRRU, RRH & Radio Units
• Verification StatusVerified

Nokia AHMA B20 474255A. Remote radio unit for B20 (800 MHz); 4T4R (family-level estimate); output Estimated 320 W total. Compatible baseband: AirScale AMIA/AMOB/AMOC/AMOD with ASIA/ASIB/ASIK/ASIKA common modules and ABIA/ABIC/ABIL/ABIO/ABIP/ABIQ capacity modules; ASOC/ASOD/ASODA for supported outdoor deployments. Required modules and boards: ASIA/ASIB/ASIK/ASIKA common processing; ABIA/ABIC/ABIL/ABIO/ABIP/ABIQ capacity processing; PDU/power entry; synchronization; Fan unit/cover only where required by the radio and installation orientation. Fronthaul: SFP/SFP+ optical CPRI/eCPRI, LC duplex through the transceiver. RF interface: 4.3-10 female (typical for AirScale RRH/RFM). Power: -48 V DC outdoor site supply. Mounting: Pole, wall, ladder/rail, flat mount, book mount or One-clip rail depending on radio geometry. Regional frequency guidance: B20 matches publicly reported deployments in Europe, Middle East, Africa, CIS & Eurasia; final operator and regulator validation is required. Verification status: Family-level; AirScale family-level mounting; exact book-mount/fan kit must be selected by model height. Equipment family: AirScale. System affiliation: Radio Modules & Remote Radio Units / RRH. Source catalog record: RU-164.