CT-157 Wireless Emergency Pull Station


The CT-157 Wireless Emergency Pull Station is a compact wall-mount transmitter capable of sending a pre-programmed alphanumeric message directly to pagers and LED message boards. The CT-157 transmitter can also send an activation command to play pre-recorded audio from PA speakers, initiate two-way intercom communication, turn on dome lights or activate other wireless receivers.

  • Sends text messages to pagers or LED message boards
  • Can activate wireless PA speakers, strobe lights and sirens
  • 300′-1000′ range (up to 1 mile with a repeater)
  • LED transmission indicator
  • Built-in supervision monitoring feature
  • Low battery and call repeat alerts
  • Long-life single Lithium battery
    • 0 $
    • 16 $
    • 7 $
    • 5 $
SKU: CT-157 Category:


The CT-157 Wireless Emergency Pull Station is a compact wall-mount transmitter  capable of sending a text message directly to pocket pagers, alphanumeric LED message boards and central monitoring stations. In addition, the CT-157 can send an activation command to wireless PA speakers for pre-programmed message playback, remotely initiate a two-way intercom communication and activate wireless corridor dome lights.

The CT-157 can be programmed into “System Mode” where the paging controller unit can initiate an automated sequence of paging events according to a pre-defined script for every CT-157 activity.

The CT-157 transmitter offers some unique features such as:

  • Elevated Alert: Sends alert to supervisor pager when the call is not being cleared within pre-defined period of time.
  • Alert Repeat: Repeat the alert (up to 9 times) as long as the call is not being cleared within pre-defined period of time.
  • Delayed Activation: Delay the call transmission for a pre-defined time and will send alert if the call is not cleared.
  • Supervision: Sends periodical status transmissions according to pre-defined intervals.
  • Low Battery Alert: Automatically send a message to report low battery status

The CT-157 wireless pull station comes standard with a red pull switch, but can come with amber, blue, green or black switch instead.

* Note: A low-voltage plastic single gang box is required for optimal signal coverage. Metal box not recommended.

Product Data Sheet

Additional information

Weight 1 lbs
Dimensions 8 × 8 × 4 in
Station Dimensions

2.75" x 4.5" x 1.6" (W x H x D)

Station Weight

0.22 lbs.


Single CR2 3V Lithium Battery


Frame – Off-White, Switch – Red, Black, Green, Blue, Amber

Activation Modes

Up to 6 – Call, Cancel, Supervision, Repeat, Escalation & Low Battery

Operating Temperature

32° – 140°F


0% – 90%, Non-Condensing


USB interface with PC Based Programming software

Activation Types

Pull Switch


400-420 MHz, 450-470 MHz


Better than 5 PPM

RF Range

300' – 1000' (More than a mile with a Repeater).

Paging Format

POCSAG, 512, 1200 or 2400 BPS

Channel Spacing

12.5 KHz – Narrow Band

Limited Warranty

One Year Parts and Labor

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