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Ad-Hoc Network Military Manpack Radio Repeater

Model: Defensor-BM3

Defensor-BM3 is a manpack base station, which integrated the funtions of base station and terminals for network coverage, data relay, clear audio and data sending and receiving in a miniature package.

It is special designed for urgent tactical operation with fast and freely moving in emergency events. The battery is removable type. It can be quickly replaced by a fullly charged batter

Product Description


➢Manpack Design for Soliders Moving Freely in Tactical Activities

Defensor-BM3 lightweight ruggedize system: 3kg weight and special backpack provided for carrrying

➢Variety of Antenna for Option to Adapt to Various Environment

For manpack base station IFLY provides soft antenna, semi-soft antenna and ROD Antenna to deal with various complex environments.

➢Built-in Large Capacity Battery

Built-in 16Ah and 29Ah battery for option to meet different working time requirement.

➢Equipped with hand microphone

The microphone connected with the base station allows the people who carry it communicate with others.

➢Highly Reliable Networking

If one Defensor-BM3 moves away from the network or malfunctions, voice will automatically route to another Defensor base station in order to guarantee link continuity.

Ad Hoc Network Man-pack Repeater


General Transmitter
Frequency 136-174/350-390/400-470Mhz RF Power 2W-25W
Channel Interval 25khz(Digital), 12.5/25Khz(Analog) Frequency Stability ±1.5ppm
Modulation 4FSK/FFSK/FM Adjacent Channel Power

≤-60dB (±12.5KHz)

≤-70dB (±25KHz)

Digital Vocoder Type NVOC Power Ratio of Transient Switching Adjacent Channel

≤-50dB (±12.5KHz)

≤-60dB (±25KHz)

Dimension (HxWxD) 260X158X51.5mm(inc. antenna+battery) 4FSK modulation frequency deviation error ≤10.0%
Weight 3.09kg 4FSK Transmission BER ≤0.01%
Battery 16Ah Spurious Emission(Antenna Port)

9khz~1GHz: -36dBm

1GHz~12.75Ghz: ≤ -30dBm

Battery Life 31Hours(5/5/90 duty cycle) Spurious Emission(Host)

30Mhz~1GHz: ≤-36dBm

1GHz~12.75GHz: ≤ -30dBm

Operation Voltage DC12V Environment
Receiver Operating Temperature -20°C  ~ +55°C
Digital Sensitivity (5% BER) -118dBm Storage Temperature -40°C  ~ +65°C
Adjacent Channnel Selectivity ≥60dB Operating Humidity 30% ~ 93%
Intermodulation ≥70dB Storage Humidity ≤ 93%
Spurious Response Rejection ≥70dB GNSS
Blocking ≥84dB Positioning Support GPS/BDS
Co-channel suppression ≥-12dB TTFF(Time To First Fix) Cold Start <1 minute
Spurious Emission(Host)

30Mhz~1GHz: ≤-57dBm

1GHz~12.75GHz: ≤ -47dBm

TTFF(Time To First Fix) Hot Start <10 seconds
Spurious Emission(Antenna)

9kHz~1GHz: ≤-57dBm

1GHz~12.75GHz: ≤ -47dBm

Horizontal Accuracy <10metres


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Contact IFLY