Features:
Humanized design, easy to install and operate.
High performance circuit design provides accurate picture reproduction.
Can convert audio and video to RF via channel. 
VHF / UHF operating frequency from 47 to 868 MHz.
With selectable output level of audio and video.
Compatible with all local CATV system.

Specifications:
Material: ABS
Input: AC230V, 50Hz
Max. Power: 3W
Frequency Range: 47-868MHz
Output Impedance: 750Hm
Output Level: 80-95dBuV
Input Level: 0.77Vp-p for 80%+/-10% modulation
Sound System: M=4.5MHz、B/G=5.5MHz、I=6.0MHz、D/K=6.5MHz
A/V connector: RCA Female
RF Input: F Female
RF Output: F Female
Operating Temperature: -10℃ ~+60℃ / 14℉~140℉
Item Size: Approx. 15.5 * 8.6 * 5cm / 6.1 * 3.4 * 2in 
Item Weight: Approx. 356g / 12.6oz
Package Size: Approx. 16.5 * 10.8 * 5.5cm / 6.5 * 4.3 * 2.2in 
Package Weight: Approx. 415g / 14.6oz

Package List:
1 * Modulator
1 * User Manual(English)