The KTW128 mining walkie-talkie uses intrinsically safe explosion-proof technology and can be used safely in coal mines. KTW128 provides you with a variety of security features, such as working alone, security detection, and reverse (optional) functions. Even if you work alone in an area far away from the team members, KTW128 can provide you with safe and reliable communication. KTW128 has a dedicated emergency alarm button. When you are in an emergency, KTW128 explosion-proof walkie-talkie is a reliable guarantee for your safe work in an explosive hazardous environment. KTW128 mining walkie-talkie successfully obtained the mining product safety mark certificate Safety mark number: MHA080036 Explosion-proof mark: Ex ib I (Coal mine industry Shanghai Electric Explosion-proof Inspection Station) Explosion-proof certificate number: 2084104
Safety guarantee? Intrinsically safe explosion-proof walkie-talkies for coal mines with independent domestic research and development, independent innovation, and independent intellectual property rights? Intercom manufactured by the Communication Information Center of the State Administration of Work Safety? Anti-counterfeiting through RFID electronic tags, and can be inquired on the official website of the Communication Information Center Verification? It has four alarm functions: reversal, safety detection, emergency alarm, and separate work, which can monitor the working status at any time to ensure the safety of life and reliable quality. The whole machine is intrinsically safe designed and passed the intrinsic safety certification of explosion-proof grade EXib I, which can be used in an explosion-proof environment Zone 1 and Zone 2? High-grade anti-static plastic body to prevent static electricity from accumulating on the surface of the machine. The internal circuit waterproof, anti-corrosion, and anti-leakage three-proof design eliminates all safety hazards of the intercom. Anti-drop and explosion-proof structure does not fall after falling Will the battery be exposed to prevent accidents? Through five years of accelerated experiments and rigorous testing of the US military standard. Efficient and portable? One call, one-time dispatch, keep in touch at all times? Moderate body size, light weight, easy to use, good for long-term use? 1600mAh An type nickel-metal hydride explosion-proof battery provides about 14 hours of working time? Accessories include intrinsically safe holsters, intrinsically safe hands and ear microphones, skull-type headphones, etc., advanced six-seat quick charger (for use in non-hazardous locations)
General specification frequency range 400-450MHz
Number of channels 16
Channel spacing 25 /20/12.5 KHz
Working voltage DC7.2V
Battery 1600mAh (Ni-MH)
Average battery life (5-5-90 duty cycle) Approximately 14 hours Frequency stability ± 2.5 ppm
Operating temperature range -20 ℃ ~ + 50 ℃
Antenna impedance 50Ω
Maximum output current 3.5A
Maximum output voltage 9.6V
Dimensions (height × width × depth)
(With battery, without antenna) 122 × 55 × 38mm
Weight (with antenna and battery) 420g
Transmitting part output power 3.5W / 1W
Modulation method 16KΦF3E / 11KΦF3E
Clutter and harmonics -36dBm <1GHz
-30dBm> 1GHz
Remaining FM 45dB
Audio distortion≤3%
Receiver sensitivity ≤0.25 μV
Adjacent channel selectivity 70dB
Intermodulation 65dB
70dB suppression of spurious response
S / N ratio 45dB
Rated audio output power 0.5W
Rated audio distortion≤3%


configuration list:
Explosion-proof nickel metal hydride battery fast charging seat switching power adapter sling a belt clip antenna

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