Unit installation

14-3

Doug Hall Electronics

815 E. Hudson St.

Columbus, Ohio 43211

(614)261-8871

FAX 261-8805

INTRODUCTION

The DHE Remote Base Interface (RBI-1) Adapts the Kenwood series TM-X21 and TM-X31 mobile radios

to several brands of Repeater Controllers. The RBI model 1 converts the serial data stream from the

Controller and Directly controls the Kenwood Mobile radio. All connections to the Kenwood radio are made

thru the microphone jack. In the maximum configuration using a Kenwood TM-701 Dual Band Mobile you

can control Frequency, CTCSS encode On/Off, RF power level, Offset, Power On/Off, and Band. This is

all accomplished thru the microphone jack.

The RLC-3 Format supports the following functions:

• Full frequency control, 4 ports/radios, and 4 bands.

• Transmitter power HI/MED/LOW

• CTCSS Frequency select, Encode on/off, Decode on/off.

-20 and -12 Mhz offsets on 1200.

The Supported Kenwood Mobile Radios are as follows:

140 220 440 1200 Dual Band

TM-221 TM-321 TM-421 TM-521 TM-621+ TM-721+

TM-231 TM-331 TM-431 TM-531 TM-631+ TM-731+

TM-241 TM-441 TM-541 TM-701+

+ Dual Banders

SUPPORT CROSS REFERENCE

CTCSS CTCSS CTCSS MULTI RF PWR

FUNCTION ENCODE SELECT DECODE BAND POWER

GENERIC Y Y Y Y Y

TM-X21 Y N N N

TM-X31 Y Y Y Y

TM-X41 Y Y Y Y

TM-621/721 Y N N Y N

TM-631/731 Y N N Y N

TM-701 Y Y Y Y Y

Specifications subject to change without notice