SureCall -10dB coupler (SC-C-10) is a full band coupler that allows use of two antennas inside with just a single booster. It makes it possible to direct more signal into a certain location. With a maximum power of 100 watts, the 4G LTE and 3G ready coupler also covers LTE, AWS, Cellular and PCS band systems with a frequency range of between 698MHz and 2700 MHz. The 10 dB coupler has 50 Ohm impedance and 0.4 dB insertion loss amidst having Type N-Female connectors. Sure-Call coupler is ideal for use within large structures such as buildings and warehouses.