---
title: "MD-2B Modem"
id: 13340
type: "product"
slug: "modem-3"
url: "http://localhost/product/modem-3/"
markdown_url: "http://localhost/product/modem-3.md"
published_at: "2019-11-30T01:21:31+00:00"
modified_at: "2026-03-22T13:20:17+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Works with any amount of memory on the 1000; with 64K will store 60 screens. Terminal software included. Prints to 2040 or any serial printer via built-in 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: "Downloadable"
    slug: "downloadable"
    taxonomy: "post_tag"
    url: "http://localhost/tag/downloadable/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
  - name: "ZX81"
    slug: "zx81"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx81/"
model:
  - 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-2B"
price: 149.95
rarity: "Uncommon"
related_content:
  - id: 47672
    title: "ZCOMM 2K and 16K manual"
    type: "document"
    url: "http://localhost/document/zcomm-2k-and-16k-manual/"
product_reviews:
  - id: 61241
    title: "Byte-Back MD-2B Modem"
    type: "article"
    url: "http://localhost/article/byte-back-md-2b-modem/"
articles:
  - article:
      id: 19980
      title: "Byte-Back Modem Shipments Delayed"
      type: "article"
      url: "http://localhost/article/byte-back-modem-shipments-delayed/"
  - article:
      id: 16121
      title: "Experimenting With the Byte Back Modem"
      type: "article"
      url: "http://localhost/article/experimenting-with-the-byte-back-modem/"
  - article:
      id: 19871
      title: "MD-2 Modem"
      type: "article"
      url: "http://localhost/article/md-2-modem/"
  - 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: 26651
        title: "SYNC v3 n5"
        type: "issue"
        url: "http://localhost/issue/sync-v3-n5/"
    advert_page: "19"
image_gallery:
  - url: "http://localhost/wp-content/uploads/2019/11/Byte-Back-Modem-1000.png"
  - url: "http://localhost/wp-content/uploads/2019/11/Byte-Back-Modem-front.png"
  - url: "http://localhost/wp-content/uploads/2019/11/Byte-Back-Modem-3-4-angle.png"
  - url: "http://localhost/wp-content/uploads/2019/11/Byte-Back-Modem-PCB-front.png"
  - url: "http://localhost/wp-content/uploads/2019/11/Byte-Back-Modem-PCB-back.png"
  - url: "http://localhost/wp-content/uploads/2024/02/Byte-Back-ZCOMM_2K.jpg"
  - url: "http://localhost/wp-content/uploads/2024/02/Byte-Back-ZCOMM-16K.jpg"
related_products:
  - id: 53132
    title: "ZComm"
    type: "computer_media"
    url: "http://localhost/computer_media/zcomm/"
companies_products:
  - id: 10711
    title: "Byte-Back Co"
    type: "company"
    url: "http://localhost/company/byte-back-co/"
---

Works with any amount of memory on the 1000; with 64K will store 60 screens. Terminal software included. Prints to 2040 or any serial printer via built-in RS-232 port.