The PD502i is an analog/digital dual mode portable radio that’s small, sleek and light. It weighs 9.7 oz. and it’s comfortable dimensions are 4.53 x 2.13 x 1.06 inches. The PD502i has 512 channels and comes in either UHF or VHF version. It works in the VHF 136-174 MHz (5Watt) and UHF 400-470MHz (4 Watt) frequency range. The battery used with the PD502i is a Lithium Ion 1500mAh. The impressive battery life is approximately 11 hours Analog and 16 hours Digital. The PD502i uses a drop in rapid-rate charger. It has an IP54 rating for dust and moisture. Manufacturer’s Warranty on the PD502i includes 3 years on parts and labor and 1 year on battery.