Features:
This RF modulator is suitable for your local cable TV system. VHF
The operating for Frequency adopts PLL phase-locked loop control, equipped with HD input, audio and video output and RF output. Output channel is optional.
The RF coaxial converter for supports NTSC TV format output, no driver installation is required, portable and flexible, and play. VHF
The demodulation converter is personalized in design and exquisite in craftsmanship, which makes people love it.
The RF modulator is made of - plastic, which is for and has a long for service life. Professional manufacturing, stable performance and high reliability.

Specifications:
Part Name: M61A RF Modulator
Color: Black
Model: M61A
Standard: NTSC
Material: ABS
for Frequency Range: CH3=61.25MHz / CH4=67.25MHz
Output Impedance: 75 OHm
Output Level: 80±5dBμV
Sound System: M=4.5MHz
Video Input Impedance: 75 Ohms/1k Ohms (Switchable)
Audio Input Impedance: 13±3k Ohms
TV to Insertion Loss 50-860: -6±2dB
A/V Connector: for RCA Female
RF Input: F Female
RF Output: F Female
Power Consumption: USB 5V DC
Operating Temperature: 0℃ ~ +40℃
Dimensions: 62 * 63 * 25mm / 2.44 * 2.48 * 0.98in
Product Weight: 52g / 1.83oz
Package Weight: 107g / 3.77oz
Package Size: 13 * 10 * 3cm / 5.12 * 3.94 * 1.18in

Package Contents:
1 * RF Modulator
1 * USB Cable
1 * User Manual (English)