Explosion-proof interphone GP328

Main functions and features

Voice quality: using Motorola's proprietary voice processing technology X-PAND ™ and LLE, enables voice quality crisper, clearer and stronger in noisy environments so that you can still keep communicating.

MDC signaling allows high speed data communication speeds of 1200 bits per second.

It's scalable and easy to install, just need to insert like a voice storage board option boards . With option board, you can also record up to 2 minutes.

RF power can switch the pushing a button, the user can switch between high power and low power according to their specific application, to extend battery life.

Ringtones ID "function can be set to 8 different ringing tone for eight specific user / group calls, which according to the eight tones to identify callers.

VOX voice-activated function: user can send messages using the hands-free mode, without having to press the talk button.

MOTOROLA GP328 technical parameters

Frequency Range:VHF(136-174/300-370/330-400MHz) UHF(403-470/450-527MHz)

Number of channels: 16

Dimensions (height × width × thickness):137mm×57.5mm×33mm-40.0mm (due to battery)

Weight: 350-500g (due to battery)

Channel spacing:12.5/20/25kHz

Voltage: 7.5V

Working temperature:-30℃ to +60℃

Battery Life (5-5-90 period):(Depending on battery type) high-power 8-11 hours Low -power 11-14 hours

Transmit power: VHF 5W　UHF 4W

Transmitter Frequency Stability: ±2.5ppm

FM interference and noise: 40dB

Receiver sensitivity

Audio Distortion :<3%

Receiver interference and noise:45dB(12.5kHz) 50dB(25kHz)

Audio output power:500mW

FCC Modulation:16K0F3E and 11K0F3E

Beijing Topsky  Century Holding Co.,Ltd. is a professional large-scale manufacturer of all types coal mine safety equipment and fire fighting equipment, integrating development and production together. Our main products include portable gas detector, Ventilation Meter, breathing apparatus, Oxygen Self-Rescuer, Water mist system, Pneumatic Chain Saw and related products. Our company was established in 2003, and we have many years of history in the coal mine and fire fighting industry. Located at Beijing, we enjoy convenient water, land and air transportation.
Our company employs many experienced technical and management personnel. Through the efforts of all staff , we have become a special safety equipment manufacturer. All of our staff have continuously tried to improve product quality and service for the user's safety.
Currently, our product was already exported to America, France, Australia, Italy and 20 other countries and regions. Our company has always focused on research, development and innovation. We attained ISO9001 quality management system certificate.
Our company has initiated the new phase of our development strategy. Our company regards, reasonable prices, efficient production time and good after-sales service as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us for future business relationships and achieving mutual success.