Comba Telecom to deploy 4G LTE for Bangkok MRT Blue Line extension, Thailand December 13, 2018 | Asia Pacific News Hong Kong-based Comba Telecom Systems Holdings Limited (Comba Telecom) has secured a contract from Bangkok Expressway and Metro Public Company Limited to deploy 4G Long-Term Evolution (LTE) network fo... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password