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BF-TM8250R--Mobile Radio and Repeater in One

BF-TM8250R
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  • product description
  • specifications
  • accessories

Mobile Radio and Repeater

BF-TM8250R is a DMR mobile terminal with two timeslots which is able to function as a single frequency repeater. It allocates one timeslot to receive a signal and the other to transmit it at the same frequency, using DMO mode to extend radio coverage. It thus saves another frequency to function as a repeater without the need of a duplexer or an extra antenna, making it a cost-effective and suitable choice for commercial users who value coverage.


 



Power-on Password
This effectively prevents illegitimate users to access your equipment, delivering you more privacy and safety. This also makes it a cost-effective DMR repeater solution.

DMR Mobile/Repeater Dual Modes
BF-TM8250R can be used both as an ordinary mobile terminal and a single frequency repeater, bring more flexibility and efficiency to your business.

High/Low Power Switchable
You can choose between high (30W) and low (10W) power output according to the occasion. This can effectively avoid unnecessary energy consumption.

DMO True 2-Slot
In direct mode this radio supports two voice calls simultaneously due to DMR two timeslots, which means two communication paths on 1 frequency at no extra costs or frequency license.

General

Frequency Range

VHF:136-174MHz UHF:350-390 MHz

UHF:400-480 MHz UHF:450-520 MHz

Channel Capacity

160

Zones

50

Channel Spacing

12.5KHz

Working Voltage

DC 13.8V (±15%)

Frequency Stability

±1.5ppm

Antenna Impedance

50Ω

Dimensions

150*158*47mmL/W/H)

Weight

1.29Kg

Transmitter

Power Output

VHF/UHF high power: 30W
VHF/UHF low power: 10W

4FSK Modulation

12.5KHz (only data): 7K60FXD   

12.5KHz (data and voice): 7K60FXE

FM Modulation

12.5 KHz: 8K50F3E

Modulation Limitation

+/- 2.5kHz @ 12.5kHz

FM Noise

-40dB

Spurious Emission

-36 dBm1GHz/-30 dBm1GHz

Adjacent Channel Power

≤-60dB

Frequency Response

+1/-3 dB

Vocoder

AMBE+2™

Audio Distortion

3%

Receiver

Digital Sensitivity

5% BER: 0.25 uV

Analog Sensitivity

0.25 uV (12 dB SINAD)

Intermodulation

60dB

Adjacent Channel Selectivity

60 dB

Spurious Suppression

70 dB

FM Noise

-40dB

Frequency Response

+1/-3 dB

Audio Power

3W

Audio Distortion

3% (typical)

Conduction Radiation

-57dBm

GPS Precision

Horizontal Accuracy-10m with good signal

TTFF (first location)Cold Boot

< 1 minutewith good signal

TTFF (first location)Hot Boot

< 10secondwith good signal

Environmental Specifications

Working Temperature

-20-+70

Storage Temperature

-40-+80


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