发
射
机
应
答
器
f
ā
s
h
è
j
ī
y
ì
n
g
d
á
q
ì
Definitions
1. transponder
2. electronic device that responds to a radio code
Components
发射机
fā shè jī
–
transmitter
应答
yìng dá
–
to reply
器
qì
–
device