https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
Pinhole Camera with Automatic Gain Control and 18MHz Bandwid

Pinhole Camera with Automatic Gain Control and 18MHz Bandwid

Etong Electronics Co.Ltd
Region: China
Update: 10/23/2008
Key Specifications
Image sensor: 1/4-inch CCD

Resolution: 512 x 492 pixels

Horizontal resolution: 420TVL

Viewing angle: 59.4

Minimum illumination: 1.0 lux/F1.2

Gain control: automatic

Frequency: ISM 2,400 to 2,483MHz

Transmission power: 2mW

Modulation mode: FM

Bandwidth: 18MHz

Power supply: 12V DC

Consumption current: 120mA (maximum)

Operating humidity: 85[[]%] RH

Dimensions: 11/4 x 11/4 x 7/8 inches

Weight: 70g

Unobstructed effective range: 300ft (minimum)

Channel frequency:

CH1: 2414MHz

CH2: 2432MHz

CH3: 2450MHz

CH4: 2468MHz

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions