Exhibit 10.4 PLEDGE AGREEMENTPledge Agreement • August 14th, 1997 • Mobile Telecommunication Technologies Corp • Radiotelephone communications
in full at the rates set forth below ("Interest Accrual Period" shall mean the ----------------------- period from and including the first day of each month during the term of this Note commencing on the date hereof to but excluding the first day of...Mobile Telecommunication Technologies Corp • August 14th, 1997 • Radiotelephone communications • New York
Exhibit 10.5 CREDIT AND SECURITY AGREEMENT Dated as of July 18, 1997Credit and Security Agreement • August 14th, 1997 • Mobile Telecommunication Technologies Corp • Radiotelephone communications
