July 21 (Reuters) - Canada"s Rogers Communications Inc (RCIb.TO) on Wednesday reported second-quarter revenue that beat analysts" estimates, helped by a pick up in advertisement sales and as its cable business benefited from a pandemic-driven shift to remote work and entertainment. The requirement of high-speed broadband networks to carry on remote work helped the telecom operator negate the slow recovery from its wireless business. The return of live sport broadcasting also played a positive role in boosting the Toronto-based telecom operator"s revenue. The company"s total revenue rose to C$3.58 billion ($2.82 billion) in the quarter ended June 30, compared with analysts" average estimates of C$3.56 billion, according to IBES data from Refinitiv. Earlier in March, Rogers said it would buy Shaw Communications Inc (SJRb.TO) for about C$20 billion ($16.02 billion), aiming to double down on its efforts to roll out 5G throughout the country. Revenue for its cable unit, which includes internet, phone and cloud-based services, rose 5% during the quarter Quarterly net income rose to C$302 million, or 60 Canadian cents per share, from C$279 million, or 54 Canadian cents, a year earlier. ($1 = 1.2686 Canadian dollars)