There are 2 options of transmitter for this system IQ Base for pagers and the Integration Station which can also be used as a repeater.
The IQ Base and the I-Station have a flat wipeable service which prevents any spillage getting in between the keys.

Specifications

Display

• 2 x 3 inch 8 line display
• Blue LED backlit digital screen
• Water-resistant polyurethane

Interfaces

• Serial: DB9- DCE (female) Connector
• Data Rates: 1200, 9600, 38400, 57600
• Characters: 8 Data Bits
• Stop Bits: 1

Electrical

• Frequency range: 450 - 468 MHZ
• FCC Identifier: WDC-IQBASE-N
• IC Identifier: 7752A-IQBASE-N
• Channel Spacing: 12.5 KHz
• Speed / Baud Rate: 512/1200 bps

Power

• DC 12V, 3.5A, SMPS
• RF Output (Watts): 2 Watts
• Format: POCSAG

Long Range Technology

• UHF Frequency
• Unique System ID eliminates interference
• Up to 2-mile range

Dimensions
Length - 23.7 cm
Height - 4.3 cm
Width - 14 cm
Weight - 0.72 kg.