Q-See QSWLMCR - Manual (Page 10)

5Lux
Frequency Stabilization
90mA
+/-100ppm
36 38 47(mm)
24g
Antenna
Receiving Sensitivity
6m
-
0.9 ~1.35V @75 ohm p-p V p-p
2V p-p ~4V @600 ohm p-p
(Max.)
10