Can SMS Be Used On The PNWdigital Network? A Can SMS Be Used On The PNWdigital Network? Yes. Analog SMS is fine to use and is encouraged. Digital SMS is implemented differently and may only partially work. Some have found success when sending an SMS to another radio via Simplex or on the same repeater. Hits: 9 Hits: 9 Leave a Reply Cancel replyYou must be logged in to post a comment.