HMC253 DC-2.5 GHz multi-function RF single pole eight throw switch RF switch channel selection antenna module. RF single-pole and eight-throw switch RF switch antenna selection channel selection module.
eBay
MicrocQueen Wireless Microphone System, 4-Channel Cordless Mic Set with Handheld/Bodypack/Headset/Lapel, Metal Build, Fixed Frequency, 400ft Coverage, Ideal for Karaoke/Party/Wedding/Concert Brand new in the box!
eBay
Board: RF board. - 1 x RF Switch. - Input and output interface: 50 ohm SMA female connector. Usually it costs about 30USD-50USD.
eBay
One-way repeater function. Full bi-directional repeater function. Easily switch between one-way and two-way repeater functions depending on your application needs. Repeater Modes: Mode 1 (one-way) & Mode 2 (bi-directional).
eBay
WiFi standard: WiFi 2.4 ghz b/n/g. The life of Relay Model is more than 1,000,00. Press open relay to pull-on. press close relay to cut off. status thousands of miles away can also know whether the switch is on or off.
eBay
Features: 1. The UBEC is an advanced switching regulator with over-current and over-heat protection function, and the maximum efficency of the system is nearly 90%. If the polarity is not correct, the UBEC can't work, but it will not be destroyed.
eBay
Easy to use smart switch: 2.4G WiFi and Bluetooth protocol. When adding a device, the device is automatically identified, which is very simple and convenient. Two Input Ports.
eBay
Working frequency: 433MHz. Toggle:Push once the remote button, the relay connects, push twice the remote button, the relay dis-connects. Latching:Push the remote button A, the relay connects, push the remote button B, the relay dis-connect.
eBay