Repeaters / Base Stations

TKR-751E

Key Features

VHF FM Repeater-Base Unit

16 Full-Duplex Channels & Single Priority Scan

Variable RF Output - 1 W to 25 W

Windows Programming & Tuning Software

External Control I/O via D-Sub Connector

Battery Back-Up System

Flash Memory For Firmware/System Upgrades

Durable Die-Cast Chassis Construction

PMR General Features

5-Tone (multi-format)	Yes
QT (CTCSS) / DQT (digital)	Yes
DTMF	Yes
Scan	Yes
Character Display (Numeric)	2 Characters
Programmable Function Keys	6 Programmable Function Keys
Emergency Call Function	Yes
DB-25 Accessory Connector	Yes
Windows PC Programming and Tuning	Yes
Compact Design	Yes
Ease of Operating Use	Yes
SelCall Function	Yes
Companded Audio	Yes
Kenwood ESN (Electronic Serial Number)	Yes
PTT ID	Yes
Embedded Message	Yes
Transceiver Password	Yes

PMR Construction Features

Yes

Options

Yes

Base Station & Repeater Features

5-Tone Selective Call	Yes
Repeater Open/Close	Yes
5-Tone/DTMF Over-The-Air Remote Control and Reporting	Yes
Full-Duplex Operation	Yes
"Base Station" or "Repeater" Mode Operation	Yes
Conventional or Trunked System Use	Yes
LED Display & Indicators	Yes
Backup Power Features with Warnings	Yes
Windows Programming and Tuning Software	Yes
Repeater Features	Yes
Base Station Features	Yes
"Community Repeater" Ready	Yes
CW ID	Yes
Time-Out Timer	Yes
Programmable Features - 6 PF keys, 2 x LEDs, volume knob, speaker and tones	Yes
19" Rack Mount Design	Yes
Sel-Call and Status Call	Yes
Flash ROM for Future Upgrades	Yes
Front Mounted Speaker	Yes

Technical Specifications

Frequency Range - E Type	146-174 MHz
Number of Channels	16
Channel Spacing	Wide: 25 kHz Mid: 20 kHz Narrow: 12.5 kHz
Operating Voltage	13.2 V DC ± 15% Negative Ground
Operating Temperature Range	-30 °C to + 60 °C
Antenna Impedance - 50 Ohm	Yes
Frequency Stability	± 2 ppm (-30 °C to + 60 °C)
PLL Channel Steps	5.0 kHz/6.25 kHz
Current drain	Standby (Power Save): 0.3 A Receive: 1.2 A Transmit/Receive: ≤ 8 A
Duty Cycle	Receive: 100% Transmit: 100%
Repeater Hold Time	From "Off" to 10 seconds
CW ID	Variable speed/tone frequency/modulation
CW Message	8 x 32 characters max.
Test Tone	Variable modulation/frequency
5-Tone Standard	EEA, ZVEI, CCIR, ZVEI-2, EIA, Kenwood propriatory
Operating Modes	FM
Dimensions (WxHxD)	483 x 88 x 340 mm
Weight (net)	9.7 kg

Receiver Specifications

Sensitivity - EN 20 dB SINAD	0.45 µV
Adjacent Channel Selectivity	85 dB at 25 kHz 82 dB at 20 kHz 77 dB at 12.5 kHz
Intermodulation	72 dB
Spurious Reponse Rejection	90 dB
Audio Output	4 W with less than 5% distortion
Circuitry - Double Conversion Superheterodyne	Yes

Transmitter Specifications