Differences between APPROVED & UNAPPROVED Courier

				UNAPPROVED Courier

This is the last US version of the Courier. The use of this modem is generally ILLEGAL over the Public Switched Telephone Network in European Countries. The current features are :

Courier Dual Standard :
	V.21, V.22, V.22 bis, V.23, V.32, V.32 bis
	HST 16.8K bps
	Fax Groupe III 9600 bps - EIA Class1
	Upgradable to future CCITT 28.8K bps standard
	Maximum serial speed : 57.6K bps
	Small box

Courier V.32 bis :
	V.21, V.22, V.22 bis, V.23, V.32, V.32 bis
	Fax Groupe III 9600 bps - EIA Class1
	Upgradable to future CCITT 28.8K bps standard
	Maximum serial speed : 57.6K bps
	Small box

Courier HST :
	HST 16.8K bps
	V.21, V.22, V.22 bis, V.23
	Fax Groupe III 9600 bps - EIA Class1
	Maximum serial speed : 57.6K bps
	Small box

				APPROVED Courier

This is the tested and approved version of the Courier in several Countries. The current features are :

Courier Dual Standard :
	V.21, V.22, V.22 bis, V.23, V.32, V.32 bis
	HST 14.4K bps
	Maximum serial speed : 38.4K bps

Courier V.32 bis :
	V.21, V.22, V.22 bis, V.23, V.32, V.32 bis
	Maximum serial speed : 38.4K bps

Courier HST :
	HST 14.4K bps
	V.21, V.22, V.22 bis, V.23
	Maximum serial speed : 38.4K bps


Pierre REYNES
USRobotics