Professional DMR Manpack Repeater

BF-TR925

As a multi-functional backpack repeater in the BelFone BMC System, BF-TR925 incorporates IP68 protection, a robust military exterior, good heat dispersion, and ﬂexible modular design to help mission-critical users handle all kinds of tough environments. It can provide supplementary network coverage for the system’s ﬁxed base station, and it can also operate independently as a repeater.

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Features & Benefits

Specification

Accessories

Multiple Working Modes

- DMR repeater
- DMR base radio (DMR Tier I, II)
- Analog base radio
- Simulcast base station
- PSTN gateway (working with BF-TC981)

Versatile Connectivity for Harsh Situations

- 4G wireless communications link
- Satellite communication link
- Narrowband communication link
- IP connectivity for multi-sites connection

Security Design

- Power-on password
- Active and passive self-destruction
- AES256 and ARC4 encryption

Field-proven Performance and Reliability

- IP68 water and dust proof
- Military grade ruggedness, aluminum structure for harsh outdoor conditions
- Superior heat dissipation performance

ID Authentication for Air Interface

Only ID-authenticated legitimate terminals can activate repeaters for voice and data service forwarding, thus avoiding illegal users from stealing and occupying channel resources and affecting normal communications.

General

Model

TR900 TR900M

Frequency Range

VHF: 136-174MHz; UHF: 350-390/400-470/450-520MHz

Zone

128 Zone 1: 4; Zone 2: 3000; Zone 3: 3000

Channel Capacity

2048 3776

Channel Spacing

12.5KHz

Antenna Impedance

50Ω

Operating Voltage

DC13.8V(±15％), negative ground

Current

<9A

Size

330mm(L)*218mm(W)*88mm(H) mm

Weight

6kg

Transmitter

Output Power

5-50W (continuous)

Frequency Stability

≤±0.5ppm (without GPS); ≤±0.2ppm (with GPS)

4FSK Modulation

12.5KHz (data only): 7K60FXD; 12.5KHz (data and voice): 7K60FXW

Adjacent Channel Power Ratio

≤60dB

Spurious Radiation

-36dBm<1GHz; -30dBm>1GHz

Vocoder

AMBE

Receiver

Digital Sensitivity

3%BER≤0.35µV

Frequency Stability

≤±0.5ppm (without GPS); ≤±0.2ppm (with GPS)

Adjacent Channel Selectivity

≥60dB

Intermodulation Immunity

≥70dB

Spurious Response

≥70dB

Blocking

≥95dB

Rated Audio Power Output

2W(8Ω)

Max. Audio Power Output

10W(8Ω) External

Environmental

Working Temperature

-30℃～+70℃

Storage Temperature

-40℃～+85℃

Humidity Protection

MIL-STD-810C/D/E/F

Shock and Vibration

MIL-STD-810C/D/E/F

Standard Accessories