The AT F 1600 Voice encryption module for VHF radios is a multifunctional digital device speech transformation device, designed to provide high level voice encryption via VHF radiocommunication channels
Advantages and features of the ATF 1600 module
digital encryption
transmission in the form of «white noise»
no speech vocalization
provision of digital communication channel in the analogue communication system
digital quality of communication
high quality signal
total absence of static noise
more than 4 billion (232) digital keys
ability to work via common analogue repeater (Compatible with 12.5 kHz channel spacing)
fully functional in Simulcast, LTR and Voting radio communication systems
autodetection of secure/non-secure mode during receiving
solderless installation into Motorola Professional, Motorola Commercial, ICOM, Vertex Standard, Tait radio sets
soldering installation into majority of other radios (of restricted architecture)
PC programming
upgradeable
AT F 1600 specifications
Vocoder algorithm
Mixed excitation linear prediction (MELP)
Data transmission rate
4.8 kbps
Frequency range
200-3400 Hz
Total number of digital keys
4,294,967,296
Analogue keys inversion frequency
2340...3840 Hz
Number of user keys
Up to 16, depending on type of radio
Speech intelligibility in confidence channel
Class 1
Current consumption
40 mA max
Current consumption in standby mode
30 mA max
Operating temperatures range
-30°C...+60°C
Programming
CONFIG software, RDM9 programmer or standard radio programmer
