BTS3900 2113169 Cabinet DCDU-03B 2120472 DRFU 2316913 DRFU 900MHz PGSM 2316361 DRFU 900MHz EGSM 2315743 DRFU 1800MHz 2316905 Double Radio and Filter Unit GRFU 900C 2318473 900C GRFU V1 2316962 GRFU 1900MHz A 2316963 GRFU 1900MHz B GRFU V2 2318472 GRFU V2 900MHz PGSM 2318474 GRFU V2 900MHz EGSM 2318546 GRFU V2 1800MHz A 2318547 GRFU V2 1800MHz B GRFU V2a 02310CRT V2a-GSM Multiple Carriers Transceiver Unit-900M RX885-910MHz/ TX930-955MHz 02310CRV V2a-GSM Multiple Carriers Transceiver Unit-1800M RX1710-1755MHz/ TX1805-1850MHz GM5M18GRFU21 MRFU 900C 2318470 900C MRFU V1 2316975 RF Unit for Multi-Mode 1900MHz B 2316976 RF Unit for Multi-Mode 1900MHz A MRFU V2 2318425 RF Unit V2 for Multi-Mode 900MHz PGSM 2318471 RF Unit V2 for Multi-Mode 900MHz EGSM 2318544 RF Unit V2 for Multi-Mode 1800MHz A 2318545 RF Unit V2 for Multi-Mode 1800MHz B 02310CES RF Unit V2 for Multi-Mode 850MHz MRFU V2a 02310CRS V2a-Multi-Mode Transceiver Unit-900M RX885-910MHz/TX930-955MHz 02310CRU V2a-Multi-Mode Transceiver Unit-1800M RX1710-1755MHz/ TX1805-1850MHz MRFU V3 02310EJB MRFU,WD5MJFUA830,V3,Multi-Mode Transceiver Unit (RX1710-1785MHz/TX1805-1880MHz,-48VDC,5G,1T2R,9U) MRFUd 02310CEU MRFUd,WD5MJFUBG30,V3,Multi-Mode Transceiver Unit (RX1710-1785MHz/TX1805-1880MHz,-48VDC,5G,2T2R,9U) 02310CEW MRFUd for Multi-Mode 900MHz EGSM 02310CMD MRFUd,WD5MJFUBG8B,V3,Multi-Mode Transceiver Unit (RX890-915MHz/TX935-960MHz,-48VDC,5G,2T2R,9U) MRFUe 02310CEV MRFUe for Multi-Mode 1800MHz 02310CEX Function Module,MRFUe,WD5MJFUAD8C, Multi-Mode Transceiver Unit (RX885-910MHz/ TX930-955MHz,-48VDC,5G,1T2R,9U) 02310EJA MRFUe,WD5MJFUAD3A,V3,Multi-Mode Transceiver Unit (RX1710-1755MHz/TX1805-1850MHz,-48VDC,5G,1T2R,9U) CRFU 2317425 Multi-Carrier Transceiver Unit(DHT 80W,AWS Band,RX1710-1755/ TX2110-2155MHz) 2318644 Multi-Carrier Transceiver Unit(EDHT 80W,Band0,RX824-843 5/ TX869-888 5MHz) 2318171 Multi-Carrier Transceiver Unit(EDHT 80W,INF,RX1890-1915/ TX1970-1995MHz) 2318649 Multi Carrier Transceiver Unit (CRFU AWS,EDHT 80W,INF, RX1710-1755/TX2110-2155MHz) 2318737 Multi-Carrier Transceiver Unit(EDHT 80W,Band0,RX824-835/TX869-880MHz) 02310CNH Multi-Carrier Transceiver Unit(EDHT 80W,INF,RX1850-1915/TX1930-1995MHz) 2318016 Multi-Carrier Transceiver Unit(DHT 100W,INF,RX824-835/TX869-880MHz) 2318693 Multi-Carrier Transceiver Unit(E-DHT CRFU2 1G,800M&2 1G COMBINER,TD-Killer) CRFUd 02310FXF Multi-Mode Transceiver Unit(RX1710-1755MHz/TX2110-2155MHz,-48VDC,5G,2T2R,9U) WRFU 2316677 RF Unit for WCDMA.850MHz (80W) 2319231 RF Unit for WCDMA.2100MHz (80W) 2316890 RF Unit for WCDMA.2100 MHz (40W) WRFUd 02310CET WRFUd for WCDMA.2100MHz (2*60W) HUAWEI BBU3900 supports multiple frequency bands, including LTE-TDD 400 MHz/1.4 GHz/1.8 GHz/2.3 GHz and LTE-FDD 800 MHz, Wide frequency band availability simplifies network deployment and allows the system to adapt to various frequency policies with higher flexibility.