---
title: "MD-1 Modem"
id: 13338
type: "product"
slug: "modem"
url: "http://localhost/product/modem/"
markdown_url: "http://localhost/product/modem.md"
published_at: "2019-11-30T01:14:04+00:00"
modified_at: "2026-03-22T13:22:59+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Includes RS-232 port."
category:
  - name: "RS232"
    slug: "rs232"
    taxonomy: "category"
    url: "http://localhost/category/hardware/rs232/"
post_tag:
  - name: "Byte-Back Co"
    slug: "byte-back-co"
    taxonomy: "post_tag"
    url: "http://localhost/tag/byte-back-co/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
  - name: "Sinclair ZX81"
    slug: "zx81"
    taxonomy: "model"
    url: "http://localhost/model/zx81/"
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
genre:
  - name: "Hardware"
    slug: "hardware"
    taxonomy: "genre"
    url: "http://localhost/type/hardware/"
  - name: "RS232"
    slug: "rs232"
    taxonomy: "genre"
    url: "http://localhost/type/rs232/"
company:
  id: 10711
  title: "Byte-Back Co"
  type: "company"
  url: "http://localhost/company/byte-back-co/"
model_2: "MD-1"
price: 99.95
rarity: "Uncommon"
related_content:
  - id: 35590
    title: "Experimenting With The Byte Back Modem"
    type: "document"
    url: "http://localhost/document/experimenting-with-the-byte-back-modem/"
  - id: 47672
    title: "ZCOMM 2K and 16K manual"
    type: "document"
    url: "http://localhost/document/zcomm-2k-and-16k-manual/"
product_reviews:
  - id: 62266
    title: "Products in Review"
    type: "article"
    url: "http://localhost/article/products-in-review-4/"
  - id: 65414
    title: "Modem & Serial I/O"
    type: "article"
    url: "http://localhost/article/modem-serial-i-o/"
articles:
  - article:
      id: 19367
      title: "MD-1 Direct-Connect Modem and RS-232 Port"
      type: "article"
      url: "http://localhost/article/md-1-direct-connect-modem-and-rs-232-port/"
  - article:
      id: 25719
      title: "Modem and Serial I/O"
      type: "article"
      url: "http://localhost/article/modem-and-serial-i-o/"
  - article:
      id: 22546
      title: "Turning Your Sinclair-Timex into a Smart Terminal"
      type: "article"
      url: "http://localhost/article/turning-your-sinclair-timex-into-a-smart-terminal/"
adverts:
  - publication:
      - id: 26641
        title: "SYNC v2 n1"
        type: "issue"
        url: "http://localhost/issue/sync-v2-n1/"
    advert_page: "14"
companies_products:
  - id: 10711
    title: "Byte-Back Co"
    type: "company"
    url: "http://localhost/company/byte-back-co/"
---

# MD-1 Modem

Includes RS-232 port.