: Two independent channels capable of simultaneous voice and data transmission/reception. Power Output Narrowband : 20 W peak / 10 W average. Physical Profile : 8.9 lbs (without battery) to 12.7 lbs (with battery). Dimensions : 3.50 H x 7.36 W x 14.25 D inches (with battery). L3Harris® Fast. Forward. Operational Capabilities Encryption : NSA-certified for voice and data up to U.S. TOP SECRET using Sierra™ II software-programmable encryption. Waveforms Supported Narrowband : SINCGARS, HAVEQUICK I/II, VHF/UHF LOS, HPW, and SATURN. Wideband/Networking : TSM™, ANW2®, and SRW. Cross-banding
Never connect both primary and secondary antennas within 18 inches of each other. This causes desensitization and transmit intermodulation. an prc158 manual