• Protocol : 625, 476-4, 490, 491, 492-3 & F130 by CCIR
• Communication mode : ARQ, CFEC, SFEC
• Memory : 16M
• Middle range of frequency : 1700 Hz
• Modulation speed : 100 BAUD(ARQ, FEC MODE)
• Type of modulation : AFSK
• Frequency tolerance : Within 0.5Hz