Based on the success of Barrett’s 2020 HF fax and data system used worldwide for the past 15 years, the new 4020 HF Radio Mailbox utilises new technologies to deliver seamless IMAP synchronised email over HF radio and onto users’ smart devices, a feature previously unavailable to the HF radio user.
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| Barrett 4020 HF Radio Mailbox (Picture source: Barrett) |

