15-00043
Revision
3
September
2005
The publication, translation or reproduction, either party or wholly, of this document are not allowed without our written consent.
31
3.4 WRM2
EXT
External Transmitter Characteristics
•
Transmit power output 140 mW (900 MHz), 50 mW (2.4 GHz), 3.5 mW (868 MHz)
•
Receiver sensitivity -110 dBm (900 MHz) and –105 dBm (2.4 GHz).
•
868 MHz, 900 MHz or 2.4 GHz spread spectrum hopper (FHSS)
•
FCC approved, IC Certified, 2.4 GHz and 868 MHz are CE marked.
•
Front panel controls and connectors
•
Standard RJ-22 phone handset connector for RS-232 TXD/RXD
•
WRM device compatible with 3.3 DVC power output
•
Configurable for two way RS-232 communications by converting pin 1 to RXD.
•
TTL/CMOS or standard RS-232 serial levels
•
Wide range power supply (100 to 250 VAC input) with interchangeable AC plugs
•
Standard locking type DC connector, wide range input 9 to 18 VAC, coaxial connector with pin.
•
Front panel mounted LED’s to indicate power and RX/TX data traffic.
•
Optional Internal battery back up for up to 4 hours of operation.
Physical Characteristics
•
Front panel controls:
clearly labeled, protected from inadvertent operation
•
Configuration cable:
Standard WRM phone RS-232 cable or custom made RS-232 cable for
other devices with serial data output capability.
•
Ruggedness:
2 drops on concrete from 1.0 m with antenna attached.
•
Attachments:
feet for desktop, wall mount or magnetic mount
Mechanical Characteristics
•
Height:
1.2”
(30
mm)
•
Width:
2.75”
(70
mm)
•
Depth:
5.5”
(140
mm)
•
Weight (including batteries):
11 oz (310 g) with antenna
Electrical Characteristics
•
External Power Supply:
Wall pack power adaptor 100 to 250 VAC input, 15 VDC 1 A coaxial
power jack with pin. Threaded locking type plug.
•
Power switch:
Front panel slide type.
•
Battery type:
9 VDC alkaline. Optional 7.2 V NiMH rechargeable.
•
Battery life:
At least 4 hours of full operation with alkaline, 2 hours with NiMH. Up
to 12 hours of operation for strobe type devices with radio sleep mode
enabled.
•
Connectors to PC/network:
Standard phone handset WRM cable or custom cable RJ-22 to DB-9F for
RS-232 connection to PC for radio configuration and external device
connection.
•
Mode selection:
TTL/CMOS or standard RS-232 selected via slide (DIP) switches on
board.
Environmental Characteristics
•
Operating Temperature:
-10
°
C to 50
°
C (14
°
F to 122
°
F)
•
Relative Humidity:
less than 95% RH (without condensation)
