Ericsson aau category illustration — Illustration

AIR 4455 B2/B25 B66

Name: Ericsson AIR 4455 B2/B25 B66
Brand: Ericsson

What it does: Radio transmission / reception

1 part number: KRD901145/1

Viewing: model overview

Request a Quote

Request current availability, condition and pricing. Delivery terms are agreed in the quotation.

Additional technical information

Family: PN KRD901145 / 1; AIR 4455
For PN KRD901145 / 1.
TX / RX modes: PN KRD901145/1; 4T4R
For PN KRD901145/1.
Dimensions: PN KRD901145/1; 771 × 262 × 182 mm (H × W × D)
For PN KRD901145/1.
Weight: PN KRD901145/1; 27.0 kg without mounting kit; 31.5 kg with mounting kit
For PN KRD901145/1.
Installation environment: PN KRD901145/1; Outdoor-only; pole/mast or wall mounting, vertical or horizontal; triple-unit pole arrangement supported; cable connections face down; operating range −40 to +55 °C
For PN KRD901145/1.
IP rating: PN KRD901145/1; IP65
For PN KRD901145/1.
Interfaces / connectors: PN KRD901145/1; 1 or 2 fiber-optic interfaces to DU/Baseband using exchangeable SFP modules; dual-lug protective earth; AC or −48 V DC supply variant
For PN KRD901145/1.
Interfaces and data rates: PN KRD901145/1; 2 × CPRI at 2.5/4.9/9.8/10.1 Gbps; integrated RET; five optical indicators
For PN KRD901145/1.
Power supply: PN KRD901145/1; Certified unit: 100–250 V AC; AC version nominal 100–250 V, operating 85–275 V at 50/60 Hz. Ericsson's earlier family data sheet also lists a −48 V DC supply version
For PN KRD901145/1.
Technologies: PN KRD901145/1; B2: GSM, WCDMA, LTE FDD, NB-IoT in-band/standalone/guard-band, NR and ESS; B25: LTE FDD, NB-IoT in-band/standalone/guard-band, NR and ESS; B66A: LTE FDD, NB-IoT in-band/standalone/guard-band, NR and ESS, with WCDMA only in the B4 subset
For PN KRD901145/1.
Operating RF bands / ranges: PN KRD901145/1; B2 or B25 + B66A
For PN KRD901145/1.
Uplink frequency: PN KRD901145/1; B2: 1850–1910 MHz; B25: 1850–1915 MHz; B66A: 1710–1780 MHz (WCDMA limited to 1710–1755 MHz)
For PN KRD901145/1.
Downlink frequency: PN KRD901145/1; B2: 1930–1990 MHz; B25: 1930–1995 MHz; B66A: 2110–2180 MHz (WCDMA limited to 2110–2155 MHz)
For PN KRD901145/1.
RF output power: PN KRD901145/1; Maximum 4 × 30 W for single-band operation; maximum 4 × 40 W total/per-port multiband operation
For PN KRD901145/1.
Bandwidth: PN KRD901145/1; IBW/operational bandwidth: B2 60/60 MHz, B25 65/65 MHz, B66A 70/70 MHz. Certified maximum RF bandwidth additionally limits GSM in B2 and NB-IoT standalone to 20 MHz and WCDMA in B66A to 45 MHz
For PN KRD901145/1.
Capacity: PN KRD901145/1; Maximum 6 carriers per port overall; GSM maximum 4 carriers and NB-IoT standalone maximum 2 carriers per port. Separate limits apply to LTE/WCDMA/GSM/NR/ESS and single- versus dual-band limits
For PN KRD901145/1.
Synchronization: PN KRD901145/1; When operated over its documented classic CPRI interface: CPRI slave synchronization; the radio recovers the incoming CPRI bit clock for radio/link transmission and receives time information from the REC/Baseband
For PN KRD901145/1.
Chassis: PN KRD901145/1; Self-contained outdoor AIR 4455 enclosure with integrated antenna and radio
For PN KRD901145/1.
Modules: PN KRD901145/1; Exchangeable SFP optical modules; integrated Remote Electrical Tilt; optional AIR tilt-and-swivel wall/pole mounting kit SXK1092154/1
For PN KRD901145/1.
Functional role: PN KRD901145/1; Outdoor antenna-integrated multiband radio for a main-remote RBS configuration
For PN KRD901145/1.
Architecture: PN KRD901145/1; Integrated 4-branch radio and antenna; one or two fiber-optic links to DU/Baseband; main-remote star or cascade topology
For PN KRD901145/1.
Subtype: PN KRD901145/1; 4TX/4RX dual-radio-band antenna-integrated radio
For PN KRD901145/1.
Details: PN KRD901145/1; Integrated antenna KRE105289/1; gain 14.3 dBi for B2/B25 and 14.2 dBi for B66A; electrical tilt −3° to +12°; natural-convection cooling; maximum wind load at 150 km/h is 209 N front and 97 N side
For PN KRD901145/1.
Connection notes: DU/Baseband via CPRI