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This Quick Start Guide is intended for experienced installing technicians. It is a basic reference to ensure all connections are properly made. 
Installation and wiring of systems must be in accordance with the National Electrical Code, ANSI/NFPA 70.

1.0 Introduction

Long Range Transmitters and Receivers with an integrated receive 
antenna comprise Farpointe Data’s high frequency, long-range 
identification solution known as Ranger. Intended for security access 
control applications, Ranger’s wireless communications are based 
upon a secure, digital, anti-playback routine. The four-channel Ranger 
Receiver (Channels A, B, C & D), model WRR-44-OSDP, allows Ranger 
Transmitter data to be sent over four separate outputs. However, OSDP 
is limited to Channel A. Formatting of the OSDP output is dependent 
upon the data encoded on each individual Ranger Transmitter.

2.0 Receiver Layout

3.0 Cable Requirements

Cable, 22 or 24 AWG [65 mm or 51 mm] twisted pair, over-all shield 
and UL approved (Belden 8273, or equivalent).
Maximum bus length: 4,000 ft – 24 AWG (1,219 m)
Maximum distance between: 1,640 ft – 24 AWG (500 m)
 

4.0 Output Formats 

The SIA standard OSDP protocol is supported for clear and secure 
channel communication.
Default Address: 0
Default Baud rate: 9600bps (bits per second)
Default Secure Channel Key: 
SCBK_D = 0x303132333435363738393A3B3C3D3E3F.

OSDP Protocol Technical Support:
SIA OSDP Application Profile: Basic Reader (OSDP v2.2 and higher)

5.0 Grounding

Shield (drain) continuity must run from the Receiver to the access 
panel. Further, the shield and Receiver ground must be tied together 
at the access panel, and must connect to an earth ground at one  
point only.

6.0 Power

Power required is 12 VDC nominal at 120 mA. The Receiver may be 
powered by the access panel. A linear power supply is recommended 
for best operation.

7.0 Mounting

The Receiver may be mounted indoors or outdoors. The base of  
the enclosure includes a drill template providing mounting provisions 
to a wall box (standard North American and European), as well as pre-
drilled holes in the four corners allowing mounting to a flat surface. 
Use supplied #6 mounting screws, or equivalent security screws,  
for installation.

8.0 Read Range Adjustment

As shipped, the Receiver is set for the maximum read range, which is 
nominally up to 200 feet (61 m). For optimal read range, it is important 
that the Receiver be mounted as far from potential interference sources 
as possible. These sources may include, but are not limited to, large 
metal and concrete obstructions, as well as magnetic fields and radio 
transmissions. Further range varies based on the height a Receiver is 
installed, how a user may hold a Transmitter when being used, and 
where the Transmitter is being used. Read range may vary for each 
installation. Read range may be reduced by gently adjusting the 
Receiver’s range pot in the counter-clockwise direction.

9.0 Read Mode

Reader (OSDP “PD”) operation is controlled by the access panel 
(OSDP “ACU”) per the OSDP specification.

10.0 External LED Indicator

Refer to the information below for explanation on the Receiver’s 
external LED indicator operation:

LED State

Description

Green

Initial power up

Amber

Normal powered on state

Flash Green

An activated Transmitter button press has  
been received and processed

Flash Red

A non-activated Transmitter button press  
has been detected

Off

Receiver is not powered on, or failed to  
power up successfully

11.0 Antenna Switch

As shipped, the Receiver’s Antenna Switch is set in the INT (internal) 
position. Read range can be extended using a separate, external 
antenna attached to Receiver’s on-board 6.19 mm SMA jack 
connector. If a separate, external antenna is used, then the switch 
should be set in the EXT (external) position. For installations requiring 
a separate, external antenna, please refer to the WRR-44 External 
Antenna Reference Document.

Legend:
a.  Antenna Connector
b.  Audio Beeper
c.  10-PIN Terminal Block

d.  Read Range Adjustment
e.  Antenna Switch
f.  Beeper Switch

QUICK START GUIDE

WRR-44-OSDP RANGER

®

 LONG-RANGE

433-MHz RECEIVER WITH OSDP SUPPORT

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