BF-TM8250
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BF-TM8250
BF-TM8250
BF-TM8250
BF-TM8250

VHF/UHF DMR Base Radio

BF-TM8250

The DMR portable base radio BF-TM8250 is compatible with the SVT system, which provides versatile voice & data services for critical communications. It comes with a large size color display, which delivers good visibility even under strong light. The five programmable buttons allow the user to access any features he needs and thus greatly facilitate ease of use. Besides a full set of digital features, the integrated remote kill/stun/revive features bring unprecedented efficiency to teamwork and radio management.
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Features & Benefits
Specification
Accessories


Multiple Power Supply Modes, Flexible Deployment


This base radio has a portable handheld chassis for flexible deployment. Support external AC/DC power input, while DC current can be output to charge the battery. Support 220V/110V AC input mode switching, applicable to different overseas countries and regions.


User Friendly Design

Bright, Color LCD Display: The high contrast color display is easy to read in all kinds of lighting.

Power-on Password: Nobody can mess with your radio.

Status Voice Prompt: This user-friendly function enables drivers to keep their eyes on the road.


Full DMR Conventional Features


Suitable for small properties, construction sites and motorcades. It easily and flexibly realizes efficient and rapid communication in the control area.



Cost-effective with SFR Feature

Functioning as a single frequency repeater, it allocates one timeslot to receive while the other to transmit; and in DMO mode further extends radio coverage. One device serves two purposes.


Applications

·Automatic roaming (optional)

·GPS (optional)

·Recording (optional)


Voice Services

·DMR Virtual Trunking

·DMR Two Time -slot

Safety Service

·Emergency alarm

·Covert mode

·Lone worker

General Performance

·Frequency bands: VHF:136-174MHz

 UHF:350-400/400-470/450-520MHz

·512 channels/ 32 zones

·Display: 2.0” TFT 

·IP54 Protection

·25W output power, 3W speaker

Data Services

·Status/SDS messaging (in TMO & 

 DMO)

·Groups data

·Static/Dynamic encryption DTMF +

 5Tone analog signaling




General
Frequency Range
VHF: 136-174MHz; UHF: 350-390MHz,UHF: 400-470MHz
Zones
128
Channel Capacity
1024
Channel Spacing
12.5KHz/25KHz
Operating Voltage
DC 13.8V(±20%)
Frequency Stability
±1.5ppm
Antenna Impedance
50Ω
Dimensions
Radio: 175(L)*175(W)*63(H) mm; Microphone: 130(L)*62(W)*25(H) mm
Weight
1448g
Bluetooth
BT5.0
Transmitter
RF Output Power
High Power: 50W; Middle Power: 25W; Low Power: 10W
4FSK Modulation
Only Data: 7K60FXD; Data and Audio: 7K60FXE
FM Modulation
12.5 kHz: 8K50F3E; 25 kHz: 16KΦF3E;
Modulation Limiting
+/- 2.5kHz @ 12.5kHz; +/- 5kHz @ 25kHz
FM Noise
-40dB
Conducted Emission
-36 dBm≤1GHz/-30 dBm≥1GHz
Adjacent Channel Power
≤-60dB
Audio Response
+1/-3 dB
Audio Distortion
0.03
Digital Voice coder Type
AMBE
Receiver
Digital Sensitivity
5% BER: 0.25 uV
Analog Sensitivity
0.28 uV (12 dB SINAD)
Intermodulation
65 dB
Adjacent Channel Selectivity
60 dB
Spurious Response Rejection
70 dB
FM Noise
-45 dB
Audio Response
+1/-3 dB
Rated Audio Output Power
3W(loudspeaker)
Maximum Audio Output Power
4.5W(loudspeaker)
Audio Distortion
3 %(Typical)
Conducted Spurious Emission
-57dBm
Positioning Accuracy
Horizontal Accuracy≤10m (with well signal)
TTFF (Time To First Fix) Cold Start
< 1minuter(with well signal)
TTFF (Time To First Fix) Hot Start
< 1minuter(with well signal)
Environmental Specifications
Operating Temperature
-20℃—+60℃
Storage Temperature
-20℃—+70℃
Humidity
MIL-STD-810G
Vibration & Shock
MIL-STD-810G
Power Supply Case Specification
Operating Environment
-10℃—50℃
Input Voltage
AC 220V±10%/ AC110V±10%
Output Voltage
13.8V±0.2V
Maximum Current
16A—17A
Output Overvoltage Protection
16.5V±1.5V
Return Current
2A—3A
Source Effect
≤5×10-4
Load Effect
≤5×10-4
Periodic and Random Offset
≤15mVP-P
Rechargeable Battery Voltage
13.8V
Charging Current
1A±0.2A
Dimensions
220(H)*151(W)*272(L)mm
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BF-TM8250
BF-TM8250
VHF/UHF DMR Base Radio
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