KTW7.4 Mine Intrinsically Safe Walkie-Talkie

KTW7.4 is primarily used in coal mine underground;
This unit is an analog model with large battery capacity and transmission power.
Supports individual call, group call, and all call.

Operating Voltage and Current

? Operating voltage: DC7.4V

? Standby current: ≤50mA

? Operating current: ≤2A

? Operating time: ≥16h

? Standby time: ≥72h

Walkie-Talkie Technical Parameters

? Number of channels: 16

? Wireless operating frequency: 450 MHz～470MHz

? Transmission power: -30dBm～30dBm (at antenna front)

? Receiving sensitivity: -80dBm

? Antenna parameter: 50Ω

Battery Parameters

? Battery type: Lithium Manganese Oxide Li-ion Battery

? Battery model: Single cell 623967/3.7V/1450mAh, 2 cells in series

? Battery open-circuit voltage: ≤DC 8.4V

? Battery output current: ≤2.5A

Voice sound level: ≥75dB(A).

Main function: Communication between walkie-talkies is clear, noise-free, and loud.