User's Guide

Page 7 of 46
Document # E.0015.16.02 406985
Number of hopping frequencies – 56
Channel spacing – 350 KHz
Data packet transmission duration – less than 10 milliseconds.
Data packet validity check – CRC.
Transmission and reception verification – two-way communication; each
received packet is acknowledged and an automatic repeat request (ARQ)
in case of unacknowledged data packet.
Automatic self-test (transmission of a data packet and receipt of
acknowledgment).
1.4 General Specifications
Power source – mains, 120 / 9 VAC UL approved isolation transformer.
Back-up battery – 6 X 1.2 volt NiCd batteries, size AA, sufficient for 4
hours of operation in case of mains failure. The back-up battery is
automatically charged when mains voltage is restored. Charge time: 24
hours from fully discharged to fully charged.
Environmental conditions – 0 to +45 deg. C, 15 to 90 % RH.
Dimensions: 220 mm max H x 186 mm max W x 57 mm D.
Weight: 300 g.