Modems
Modems are electronic devices used for transmitting digital data over analog communication lines. They serve as a crucial component in establishing internet connectivity by modulating and demodulating digital signals. Modems are essential for converting digital information generated by computers into a format that can be transmitted over telephone lines or cable channels. They come in various types, including DSL modems, cable modems, and wireless modems, each tailored to specific connectivity needs. Modems play a vital role in enabling communication between devices and networks, allowing users to access the internet and transfer data seamlessly.Upgrade your connectivity with reliable and high-speed Modems for uninterrupted internet access.
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US Robotics Sportster 56K V.90 Faxmodem 00568903 Mac External Dial-Up Modem
US Robotics
$30.00Was: $60.00US Robotics Sportster 56K V.90 Faxmodem 00568903 Mac External Dial-Up ModemExternal fax modem for Macintosh computers operating on dial-up connections. Supports data transmission at 56 Kbps and includes integrated fax capabilities.Specifications &...46315- SKU:
- 46315
- Availability:
- Usually ships within 1–2 business days.
- Weight:
- 2.00 LBS
- Brand:
- US Robotics
- Model:
- Sportster 56K
- MPN:
- 00568903
- Secondary Model:
- Model 0701
- Type:
- External Fax Modem
- SKU:
- 46315
- Seller Notes:
- No AC adapter included. Powers on using external power source.
- Country/Region of Manufacture:
- United States
- Form Factor:
- External / Desktop
- Data Rate:
- 56 Kbps
- Standards:
- V.90, x2
- Compatible Platform:
- Macintosh
- Features:
- Fax, Data, V.90 Standard, x2 Technology Compatible
- FCC Registration:
- 4X2USA-33236-M5-E
- Ringer Equivalence:
- 0.3B
- Complies With:
- FCC Part 68, ICES-003
- Condition:
- Used – Inspected and Tested
- Power Requirements:
- External AC adapter (not included)
- Condition Notes:
- US Robotics Sportster 56K Faxmodem 00568903 powers on — tested at our facility with an in-house adapter. No AC adapter included. Light cosmetic wear. Good working order.
$30.00Was: $60.00 -
US Robotics Model 0052 8-Bit ISA Modem Card DIP Switch USR FCC CJE7940052
US Robotics
$45.00Was: $90.00US Robotics Model 0052 8-Bit ISA Modem Card DIP Switch USR FCC CJE7940052Internal analog dial-up modem card for 8-bit ISA expansion slots. Connects to POTS telephone lines via RJ-11 connectors for data transmission on AT-class systems.Specifications...48601- SKU:
- 48601
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- US Robotics
- Model:
- 0052
- MPN:
- CJE794-11323-DM-E
- FCC ID:
- CJE7940052
- Type:
- Internal ISA Modem Card
- SKU:
- 48601
- Bus Interface:
- 8-Bit ISA
- Form Factor:
- ISA Expansion Card
- Connector Type:
- RJ-11 TELCO and PHONE ports
- Switch Configuration:
- 10-position DIP switch bank
- Volume Control:
- Front bracket-mounted rotary volume dial
- Regulatory:
- FCC Class B Computing Device, Part 15
- REG NO:
- CJE794-11323-DM-E
- Ringer EQ:
- 0.4B
- Load Number:
- 38B
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Card only; no software or documentation included
- Country/Region of Manufacture:
- United States
- Compatible With:
- 8-bit and 16-bit ISA slot PCs, AT-class systems
- Interface Type:
- POTS / Analog Telephone Line
- Modem Type:
- Internal Analog Dial-Up Modem
- Condition Notes:
- US Robotics Model 0052 8-bit ISA modem card inspected and in good condition. Pulled from a working environment. PCB clean, bracket intact, DIP switches and RJ-11 ports present. Light handling wear on bracket.
$45.00Was: $90.00 -
Boca Research 4522 8-Port 16-Bit ISA Internal Modem Card 4522-01 H8037F
Boca Research
$25.00Was: $50.00Boca Research 4522 8-Port 16-Bit ISA Internal Modem Card 4522-01 H8037FThe Boca Research 4522 is an 8-port 16-bit ISA internal modem card designed to provide multiple simultaneous analog modem connections from a single ISA expansion slot. It carries FCC...48611- SKU:
- 48611
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 3.00 LBS
- Brand:
- Boca Research
- Model:
- 4522
- MPN:
- 4522-01
- Secondary Model:
- H8037F
- Type:
- 8-Port Internal Modem Card
- SKU:
- 48611
- FCC ID:
- EUD 5U9 BRI4520
- Bus Interface:
- 16-Bit ISA
- Number of Ports:
- 8
- Form Factor:
- ISA Expansion Card
- Chipset:
- Texas Instruments TL16C554FN (x2)
- Connector Type:
- RJ-11 (8x, bracket-mounted)
- Country/Region of Manufacture:
- USA
- Compatible With:
- ISA-bus desktop PCs, servers with 16-bit ISA slots
- Condition:
- As-Is / For Parts or Not Working
- Seller Notes:
- Card only; untested, sold as-is. FCC ID EUD 5U9 BRI4520.
- Condition Notes:
- Boca Research 4522 8-Port ISA Modem Card. Untested — sold as-is, no functionality guarantee. Card appears intact with no obvious physical damage. Please view photos and contact us with questions.
$25.00Was: $50.00 -
3Com Megahertz 3CXM356 56K WinModem PCMCIA PC Card Xjack Connector Windows
3COM
$22.00Was: $40.003Com Megahertz 3CXM356 56K WinModem PCMCIA PC Card Xjack Connector WindowsA 56K host-based modem card for Windows laptops and portable computers using PCMCIA Type II slots. Features a retractable Xjack RJ-11 connector for dial-up connectivity...19603- SKU:
- 19603
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- 3Com
- Model:
- 3CXM356
- MPN:
- 3CXM356
- Secondary Model:
- S98-2424-0
- Type:
- 56K WinModem PC Card (PCMCIA)
- SKU:
- 19603
- Product Line:
- 3Com Megahertz
- Form Factor:
- PCMCIA Type II PC Card
- Data Rate:
- 56 Kbps
- Modem Type:
- WinModem (host-based)
- Connector Type:
- Xjack (retractable RJ-11)
- Interface:
- PCMCIA / PC Card
- Compatible OS:
- Windows
- Standards:
- FCC Part 68, FCC Rules 4X2USA-25317-MM-E
- Power Requirements:
- 0.4A, 5.0V DC
- Country/Region of Manufacture:
- United States
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- PCMCIA 56K WinModem PC Card with pop-out Xjack RJ-11 connector. Card only.
- Condition Notes:
- 3Com Megahertz 3CXM356 56K WinModem PCMCIA PC Card. Inspected, in good used condition. Pulled from a working environment. Xjack connector present and functional. Card only.
$22.00Was: $40.00 -
Motorola 650 ISDN Modem BRI U-Interface POTS 2-Port Desktop w/ Power Supply
Motorola
$65.00Was: $125.00Motorola 650 ISDN Modem BRI U-Interface POTS 2-Port Desktop w/ Power SupplyThe Motorola 650 is a desktop ISDN Basic Rate Interface (BRI) modem and terminal adapter from Motorola's Network Access Products line. It connects to the telephone company's ISDN...45835- SKU:
- 45835
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Motorola
- Model:
- 650
- MPN:
- 650
- Type:
- ISDN BRI Modem / Terminal Adapter
- SKU:
- 45835
- Form Factor:
- Desktop
- Interface Type:
- ISDN BRI U-Interface
- ISDN Port:
- ISDN-U (RJ-45)
- Data Ports:
- Data 1: RJ-45; Data 2: DB25 (DB-25)
- POTS Ports:
- 2x POTS (analog telephone ports)
- Number of Ports:
- 4 (1x ISDN-U, 1x Data RJ-45, 1x Data DB25, 1x PWR)
- Protocol:
- ISDN BRI
- Standards Compliance:
- ISDN BRI U-Interface
- Power Supply:
- Ault SC300, 100-250V AC, 50-60Hz, 5V/12V DC output
- Power Supply Input:
- 100-250V AC, 50-60Hz, 0.7-0.3A
- Power Supply Output:
- +5V/4.0A, +12V/1.0A, -12V/0.6A, max 25W
- Power Supply Model:
- Ault SC300 (I.T.E. Power Supply)
- Included Items:
- Power supply, RJ cable, 630 Series Operator's Guide, software release notice
- Series:
- Motorola 650 Series / 630 Series ISDN
- Compatible With:
- Motorola Network Access Products Release 5.0
- Country/Region of Manufacture:
- United States
- Condition:
- Open Box – Appears new from manufacturer, unused
- Seller Notes:
- Includes Ault SC300 power supply, RJ cable, and 630 Series Operator's Guide
- Condition Notes:
- Motorola 650 ISDN Modem — open-box, appears new and unused from manufacturer. Includes Ault SC300 power supply, RJ cable, 630 Series Operator's Guide, and software release notice. Original box included.
$65.00Was: $125.00 -
Astrodata 2300/3 DSU CSU SA Channel Service unit
Astrodata
$59.00Was: $125.00Astrodata 2300/3 DSU CSU SA Channel Service unit Condition: UsedPlease view our photo set and contact us if you have any questions about the condition of this item.7243- SKU:
- 7243
- Weight:
- 0.00 LBS
$59.00Was: $125.00 -
AT&T 4024 External Modem - No Power Supply
AT&T
$46.60Was: $100.00AT&T 4024 External Modem Power Supply Not Included Condition: UsedPlease view our photo set and contact us if you have any questions about the condition of this item.7246- SKU:
- 7246
- Weight:
- 6.00 LBS
$46.60Was: $100.00 -
Multi Tech MT 224 EH MultiModem 224E 2400 Baud
Multi Tech
$34.70Was: $75.00Multi Tech MT 224 EH MultiModem 224E 2400 Baud Condition: UsedPlease view our photo set and contact us if you have any questions about the condition of this item.8175- SKU:
- 8175
- Weight:
- 0.00 LBS
$34.70Was: $75.00