Statements (49)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
military communication equipment
|
| gptkbp:advantage |
secure communication
limited range not easily intercepted requires physical wire vulnerable to wire cutting |
| gptkbp:category |
gptkb:aircraft
telecommunications |
| gptkbp:component |
field telephone system
|
| gptkbp:connectsTo |
switchboard
another field telephone |
| gptkbp:features |
push-to-talk button
crank for signaling handset ringing bell |
| https://www.w3.org/2000/01/rdf-schema#label |
Field Telephone Units
|
| gptkbp:introducedIn |
20th century
|
| gptkbp:maintenance |
battery replacement
cleaning contacts regular line checks |
| gptkbp:material |
gptkb:plastic
metal rubber insulation |
| gptkbp:notableModel |
gptkb:EE-8
gptkb:FF-33 gptkb:TA-312 |
| gptkbp:operates |
wired connection
|
| gptkbp:powerSource |
gptkb:battery
hand generator |
| gptkbp:relatedTo |
telegraph
switchboard civilian telephone field radio |
| gptkbp:replacedBy |
radio communication
|
| gptkbp:transmittedBy |
gptkb:Morse_code
voice |
| gptkbp:usedBy |
gptkb:military
emergency services |
| gptkbp:usedDuring |
gptkb:Korean_War
gptkb:Vietnam_War gptkb:World_War_II |
| gptkbp:usedFor |
field communication
|
| gptkbp:usedIn |
trench warfare
bunkers command posts field hospitals forward observation posts |
| gptkbp:bfsParent |
gptkb:Ottoman_Army_(World_War_I)
|
| gptkbp:bfsLayer |
6
|