Internal Modems

2 internal modems.

Recommended Internal Modems

Tosyuwir

+Uses an AD5700-1 chip for HART communication

+Provides an isolated UART interface for connecting to an MCU

+Designed as a module for embedded microcontroller projects

−Requires an MCU and wiring, not a plug-in internal card

−Specifications list only color, so ports and dimensions are unknown

No price recorded yet.

USRobotics

+Supports 56K dial-up data speeds

+Includes fax capability alongside data modem functions

+Serial controller design for legacy serial port connections

−Serial interface limits use to older computers without USB

No current price. Check it at the store.

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.