FSK radio transmitter ST-4008

multi-channelportablelong-range

Product Overview

• 8-button transmitter for server paging and multi-purpose industrial communication.
• Connectable to dry or wet contact via the supplied cable.
• Dual power options: AA batteries (2) or DC adapter (12V/1A).
• When used as a server paging transmitter, can call up to 8 pagers directly.

Specifications
Number of buttons: 8
Dimensions: W113 x L89 x H28 mm
Weight: 120 g
Color: Navy
Frequency: FSK 433.42 MHz
Power source: 2× AA or DC 12V/1A
Compatibility: All Syscall receivers and the repeater

Features

• Two button function modes: CALL (all 8) or CALL/CLEAR (4 CALL + 4 CLEAR).
• Dry/wet contact input on specified terminals (via supplied cable).
• Battery or DC adapter power for flexible installation.
• External antenna support for enhanced signal range.

Benefits

• Adaptable to multiple service workflows and industrial use cases.
• Reduces response time and improves staff coordination.
• Cost-effective wireless paging solution for frontline teams.
• Simple integration with existing Syscall ecosystems.

System map / Operation

• Each button registers to a designated pager (up to 8 pagers).
• Buttons can be assigned to specific purposes (e.g., server call numbers or clear functions).

Technical specifications

• Number of buttons: 8
• Dimensions: W113 x L89 x H28 mm
• Weight: 120 g
• Color: Navy
• Frequency: FSK 433.42 MHz
• Power: 2× AA or DC 12V/1A
• Compatibility: All Syscall receivers and the repeater
• Button modes: CALL (8) or CALL/CLEAR (4+4)
• Contact input: Dry/wet via supplied cable
• Antenna: External antenna support