The digital portable radio is a reliable push-to-talk communication device. It uses a matrix of LEDs behind the radio housing to communicate radio information and shuts off when not in use and includes a side volume control, power button, prominent push-to-talk button, and top toggle channel switch. It features Range Max technology, an advanced radio design, and patented antenna, which deliver enhanced range. Using digital and analog radio technology, it seamlessly works with existing communication systems, while providing access to the capabilities of modern digital two-way radios. The SL300 has an IP54 rating for dust and water resistance, providing reliable communications even in harsh environments.