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Secure Walkie-talkie

Secure Walkie-talkie

 

Secure Walkie-talkie provides a convenient and secure way for voice communication. Its high-strength crypto algorithm defends against any malicious eavesdropping. It is an ideal communication device for government, military, and data-sensitive agencies.

 

Its main functions include:

  • Secure voice communication
  • One-touch switching between secure/clear voice
  • PIN access control
  • Two-way authentication
  • Data backup and recovery
  • Key self-destruction

 

Its crypto specifications are:

 

Work Mode

 

Clear/secure voice:

AES (for voice encryption):

  • Work key: 256 bits
  • Message key: 128 bits

3DES (for stored data encryption):

  • Work key: 192 bits

SHA256 (for PIN protection)

 

Key sync mode: Continuous sync

Key sync period: ≤ 270 ms

Key groups: 64 groups

 

 

 

The specifications of the walkie-talkie are:

 

Standard Specification

Frequency Range: 370-390 MHz 

Channel Capacity: 256

Channel Spacing: 25 KHz

Working Voltage: 7.4 V DC

Battery: 1700 mAh (Li-ion battery)

Frequency Stability: ±2.5 ppm

Antenna Impedance: 50 Ω

Size (H*W*D) (include battery): 124×54×34.5 mm

Weight (include battery and antenna): 400g

 

Transmitter

Output Power: 5W/1W

Modulation Mode: 16KΦF3E/8KΦF3E

Hybrid wave and Harmonic wave: -36 dBm < 1 GHz;   -30 dBm > 1 GHz

FM Noise: ≤5 %

 

Receiver

Sensitivity: ≤0.25/0.35 μV

Adjacent Channel Selectivity: ≥ 70 dB

Inter-modulation: ≥ 65 dB

Spurious Respond Squelch: ≥ 70 dB

SNR: ≥ 45 dB

Secure Walkie-talkie
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