Additional Features 16 channel capacity Six programmable keys (VX-354) Two programmable keys (VX-351) 8-Character alphanumeric display (VX-354) RX/TX Battery power save DTMF ANI Lone Worker 2-Tone Encode and Decode CTCSS / DCS Encode and Decode 5-Tone Signaling Whisper Priority scan Dual Watch scan Follow-me scan Talk Around scan Radio-to-radio cloning Ordering Information The Vertex family of products are typically quoted from an a-lacarte menu of options.