Licence Free Handheld The IC-F25SR is the successor to the best selling IC-F22SR and retains the simplicity and functionality that made the original so popular. However, there have been some dramatic improvements, including a stronger construction to withstand rigorous usage. The IC-F25SR is also 5% lighter weighing only 300g. For the security conscious there are 2-types of optional voice scrambler units available giving advanced security when required. To top it off, the IC-F25SR includes a large capacity, Lithium-Ion battery pack (2000mAh) as standard to provide an incredible 26.5 hours of operating time.