Empresa de Telecomunicaciones de Cuba S.A (ECTECSA) is the monopoly telecommunications provider in Cuba, owned by the Cuban governement. Since December 2018, they have offered mobile data services to Cubans.
Radio Spectrum Deployment
Courtesy of Cellmapper:
Cuban 4G LTE services operate on 1800MHz (Band 3) with 20MHz carrier bandwidth using EARFCN 1600.
Cubacel 3G services operate on 900MHz (Band 8) and 2100MHz (Band 1). The former with three carriers: UARFCNs 2947, 2972, 2997; the latter is only present in very specific locations like hotels and two carriers are operated: UARFCNs 10613 and 10838.
ECTECSA 2G services are operated on 900MHz with various ARFCNs.
ECTECSA Radio Access Network (RAN) Hardware
Huawei in the East of Cuba and Ericsson in the West. Ericsson RRUS and ERS series are used.
Kathrein antennas are used by Cubacel