- Supports 40 channels, including race band
- only 9.5g ( not including antenna)
- Excels in anti-interference and can change frequency / channel / power with the button

How to use:
1. Long press the key for 2 seconds to enter channel setting mode, short press the key to switch from channel 1 to 8.
2. Long press the key for 2 seconds to enter channel group setting mode, short press the key to switch from group 1 to 5.
3. Long press the key for 2 seconds to enter power setting mode, short press key to switch from 1 to 3. "1" stands for 25mW, "2" stands for 200mW, "3" stands for 600mW.
4. Long press the key for 2 seconds to quit the setting mode, and the LED display will show the chosen group and channel alternately, but it will not show the power.

Specifications:
Model: TM25 Switcher
Video format: NTSC / PAL
Output impedance: 50 ohm
Output power: 25 / 200 / 600mW
Input voltage: DC 7 - 24V
Output voltage: DC 5V
Operating temperature: -10 to +85 Deg.C
Video band width: 0 - 8.0MHz
Audio carrier frequency: 6.5MHz
Video input level: 0.8 - 1.2Vp-p
Audio input level: 0.5 - 2.0Vp-p
Audio input impedence: 10k ohm
Connector type: SMA
Size: approx. 41 x 25 x 7mm / 1.6 x 1 x 0.3 inches
Net weight: 12g