Huawei radio category illustration — Illustration

RRU3928

Name: Huawei RRU3928
Brand: Huawei

What it does: RF transmission / reception. Operating RF bands / ranges: 900 EGSM MHz; 1800 MHz.

3 part numbers: 02310CGB / 02310CGR / 02310CGR; 02310CGB

Viewing: model overview

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Main specifications

Technologies900 MHz: GSM, UMTS, LTE FDD and LTE NB-IoT; 1800 MHz: GSM, LTE FDD and LTE NB-IoT

Operating RF bands / ranges900 EGSM MHz; 1800 MHz

TX / RX modes2T2R

RF output powerRRU3928 (900 EGSM): 2 × 40 W; RRU3928 (1800 MHz): 2 × 40 W

Interfaces / connectors2 CPRI ports; ALD port capability: ANT_A: RET/TMA; ANT_B: TMA; RET port: RET

Interfaces and data rates2 CPRI ports, 1.25, 2.5, or 4.9 Gbit/s, Star, chain, or dual-star; RET antenna control supports AISG 1.1/2.0; 12 V feeding voltage; 2.3 A feeding current

Power supply-48 V DC; voltage range: -36 V DC – -57 V DC

FamilyHuawei 3900 & 5900 Series Base Station RRU

Installation environmentOperating environment: ETSI EN 300019-1-4 V2.1.2 (2003-04) Class 4.1, "Non-weatherprotected locations".

IP ratingIP65

Additional technical information

Dimensions: 400 mm x 240 mm x 160 mm (with the housing); 400 mm x 220 mm x 140 mm (without the housing)
Weight: 15 kg (with the housing); 13.5 kg (without the housing)
Bandwidth: IBW: 900 EGSM 35 MHz; 1800 MHz 35 MHz with GSM or 40 MHz without GSM. LTE FDD carrier bandwidth: 1.4, 3, 5, 10, 15 or 20 MHz
Capacity: RRU3928 (900 EGSM): GSM: 8 carriers UMTS: 4 carriers LTE FDD: 2 carriers. The bandwidth per carrier is 1.4, 3, 5, 10, 15, or 20 MHz. LTE NB-IoT: 1 carrier; RRU3928 (1800 MHz): GSM: 8 carriers LTE FDD: 2 carriers. The bandwidth per carrier is 1.4, 3, 5, 10, 15, or 20 MHz. LTE NB-IoT: 1 carrier
Synchronization: In mode CPRI: clock signal recovery from the incoming line; frame synchronization from REC
Chassis: Remote-radio enclosure/form factor; documented dimensions: 400 mm x 240 mm x 160 mm (with the housing); 400 mm x 220 mm x 140 mm (without the housing); ingress protection: IP65
Modules: Interface module, transceiver (TRX), power amplifier, filter, low-noise amplifier, extended interface and power module
Architecture: Software-defined radio (SDR); operating mode is selected by software configuration
Details: Interface module exchanges baseband with the BBU and forwards cascaded-RRU data; TRX performs RF/IF conversion, A/D and D/A conversion, filtering and gain control; DPD/A-Doherty PA amplifies RF; filters multiplex RX/TX; LNA amplifies received signals
Connection notes: BBU via CPRI