Serial TTL Dial-up Modems

Product Announcement from Radicom Research, Inc.

This feature-rich modem module family is fully self-contained including built-in data pump, modem controller and on-board International DAA. This complete solution provides system engineers the flexibility to include modem functionality in system products with minimal engineering resources.

Standard features of the modem include data rates from 300 up to 56 kbps, 14.4 kbps fax rate, voice playback and recording. The modem also provides enhanced features such as Caller ID, Extension Pick-up detect, Remote Hang-up, Quick Connect (V.92 models) and DLG (Digital Line Guard) protection.


  • -40°C to +85°C operating temperature
  • RoHS compliance on select models
  • Single 3.3V supply
  • Serial TTL Interface
  • Enhanced AT Command Set
  • 300 bps up to 56 kbps data speeds downstream
  • Upstream data rate up to 48 kbps (V.92 models)
  • Online / voice playback and recording
  • 14.4K bps Fax - Class 1
  • Generates / Detects DTMF tones in online voice mode
  • V.44 data compression (V.92 models)
  • V.42bis and MNP 5 data compression
  • V.42 LAPM and MNP 2-4 error correction
  • Automatic format and speed sensing
  • Low power consumption and sleep mode support
  • Line-in use, Remote Hang-up, Extension Pick-up detection
  • Caller ID type I and II for select countries
  • Call waiting detection
  • Digital Line Guard (DLG) protection
  • Agency approvals:
    • Transferable FCC68, CS03 and CTR21 certifications
    • EN55022B, EN55024 compliance
    • c/UL 60950-1 Recognized Component
    • IEC60950-1, EN60950-1, EN60601-1 (Medical Electronics) compliant
    • CE Marking