Geemarc Call Hear


The Geemarc Call Hear system is used to allow your customers to communicate easily with you.

The Call Hear system lets you know that they need assistance gaining entry to your premises or services.

Millions of disabled drivers today are having a difficult and unpleasant experience, when trying to fill up their car with petrol/gas

Many of the drivers actually need assistance in pumping petrol/gas into their vehicles

Call Hear™ in this sector a practical and easy to install solution, that will enable customers with disability to easily call for assistance at a petrol station, without having to get out of their car

A petrol station that wants to offer best practice of service to their customers with disability, may easily install the extendable Call-Hear™ call solution

Simply attach the CH-101 call unit/pad to the petrol pump stand (double sided tape provided)

Pair the call unit/pad with the chime unit (2 min)

Hand out or sell the extendable keys to customers with disability (advertise that they are available for best practice of service)

When the driver holds the extendable key to the call/unit, the chime unit at the cash desk will start to ring and flash, letting the staff know that there is someone in need of help

The Call-Hear™ solution takes only 5 minutes to install, is affordable for any station and will offer all, best practice of service

It will welcome new customers to enjoy the excellent service and care of the station

Gains a good public image for the station, for serving the community with dignity and respect

Awards the station with returning, loyal customers who enjoy the professional service

CH105 – Ringer for pairing with both CH101 & CH104

Call Hear CH105
Call Hear - Communication System
  • RF transmitter frequency band: ISM 433.92Mhz
  • Modulation mode: Amplitude Shift Keying
  • TX Transmitter Frequency Accuracy: ±120KHz
  • Phase Noise: >60dBC at 10KHz
  • Radiated spurious emission: <-36dBm
  • Transmitting power: < 0dBm
  • Quiescent current: 0
  • Operating current: <25mA
  • Transmitter LED indicator
  • Transmitting range: >30 metres indoor ,outdoor > 70 metres (with CH105)
  • Membrane switch single side touch RF transmitter
  • Battery requirement: 1 × 23A 12V Alkaline battery
  • Battery lifetime up to 1 year

CH101 – Unit/Pad

Call Hear CH101
Call Hear - Communication System
  • RF transmitter frequency band: ISM 433.92Mhz
  • Modulation mode: Amplitude Shift Keying
  • TX Transmitter Frequency Accuracy: ±120KHz
  • Phase Noise: >60dBC at 10KHz
  • Radiated spurious emission: <-36dBm
  • Transmitting power: < 0dBm Quiescent current: 0
  • Operating current: <25mA
  • Transmitter LED indicator
  • Transmitting range: >30 metres indoor, outdoor > 70 metres (with CH105)
  • Reed switch double side version
  • Coupler triggers to transmit RF Signal by double sides
  • Battery requirement: 1 × 23A 12V Alkaline battery
  • Battery lifetime up to 1 year

CH104 – The Call Hear SOS is for areas such as Toilets, Showers and Bedrooms to let you know your customers need assistance.

Call Hear CH104
  • RF transmitter frequency band: ISM 433.92Mhz
  • Modulation mode: Amplitude Shift Keying
  • TX Transmitter Frequency Accuracy: ±120KHz
  • Phase Noise: >60dBC at 10KHz
  • Radiated spurious emission: <-36dBm
  • Transmitting power: < 0dBm
  • Quiescent current: 0
  • Operating current: <25mA
  • Transmitter LED indicator
  • Transmitting range: >30 metres indoor ,outdoor > 70 metres (with CH105)
  • Membrane switch single side touch RF transmitter
  • Battery requirement: 1 × 23A 12V Alkaline battery
  • Battery lifetime up to 1 year