4 Channel Relay Module Guest Paging The transmitter is connected to

The transmitter is connected to your LAN

the pager number is entered on the transmitter so that the pager is called

This text pager is a sturdy and is smaller version of all text pagers to be found in the market

For companies in the hospitality

4 Channel Relay Module Guest Paging The transmitter is connected toDescription Description 4 switch outputs for controlling 4 devices on off and serial data out. This 4 channels multi function RF receiving controller can be used to turn on off relays including fields for electronically operated gate, Windows, Lifting Appliance, Switch, Lifter, Agricultural Control System, Industrial Control, Security Industry etc. Item description Channel Relay Module This RF receiver can be used for switching between 4 relays. This