Joyfax supports Super G3 (also called v.34bis, Fax Class 2.1 capable) fax modems, which allows sending faxes at speeds greater than 33.3kbps when communicating with other Super G3 newer office fax machines or fax modems. The following is a list of modems which support fax class 1, 2, 2.0, 1.0 as well as fax class 2.1:
- Multitech 9234ZBA-USB-CDC-XR (NOT 9234ZBA-ZBA-USB, non CDC)
Single Line USB Modem. You can install multiple modems on a single computer. If you use a USB hub, make sure it is a powered hub.
- MultiTech model ISI9234PCIe
4 Port or 8 Port PCI Express (PCIe) Fax Card. Do not confuse with the ISI5634PCI.
- Perle PCI Ras Modem
4 Port or 8 Port PCI Fax Card. Supports 33.6K faxing with Joyfax and Class 2.1.
- Mainpine IQ Express Modem
Single Port, 2 Ports, 4 Port or 8 Port PCI Express (PCIe) Fax Card. Supports 33.6K faxing with Joyfax and Class 2.1.