The TRC 3700 is more than a simple SSB radio. The manual details:
Features embedded COMSEC (Communication Security) and TRANSEC (Transmission Security) with high-grade encryption levels. thales trc 3700 manual
Electrical and environmental requirements The TRC 3700 is more than a simple SSB radio
Appendix: command examples, configuration templates, wiring diagrams, logs thales trc 3700 manual
hostname TRC-3700 interface mgmt ip 192.168.10.10/24 no ip dhcp client ip route 0.0.0.0/0 192.168.10.1 ntp server 192.168.10.2 snmp community public ro syslog server 10.0.0.5 udp/514