| frequency range | 400-527MHz |
| working voltage | 7.4V (rated) |
| mah | 2000 mAh lithium battery |
| Battery working hours | Simulations: 16 hours Number: 22 hours |
| Shape size | 123 x 55 x 34mm (high * wide * deep) (Distribution battery with standard, no antenna) |
| weight | 330g (labeled distribution batteries and antennas) |
| Frequency stability | ±0.5 ppm |
| Antenna impedance | 50Ω |
Receiving part
| Sensitivity (simulation) | 0.4μV(20dB SIN AD) 0.22 UV (Typical Value) (12dB SIN AD) |
| Sensitivity (digital) | 0.3μV/BER 5% |
| Neighborhood selectivity | 60dB @ 12.5KHz /70dB @ 20 & 25KHz 60dB @ 12.5KHz /70dB @ 20 & 25KHz |
| Rated audio output power | 0.5W |
Launch section
| output power | Maximum:Less than 3.5WRate:2.5W |
| Adjacent channel power | 60dB @ 12.5KHz 70dB @ 20/25KHz |
| Type of Digital Vocoder | AMBE+2 () or SELP or NVOC |
| Digital Protocol | ETSI-TS102 361-1,-2,-3 |
Environmental standards
| Working temperature range | -20℃~ +60℃ |
| Storage temperature range | -40℃ ~ +85℃ |
| ESD | IEC 61000-4-2 (level 4) & plusmn; 8kV (contact discharge) & plusmn; 15kV (air discharge) |
| American Military Standards | MIL-STD-810 C/D/E/F/G Standard |
| Dust-proof and waterproof | IP67 standard |
| Damp proof | MIL-STD-810 C/D/E/F/G Standard |
| Impact and Vibration | MIL-STD-810 C/D/E/F/G Standard |
GPS (Optional)
| Horizontal Position Accuracy | Less than 10 meters |
| Professional explosion-proof walkie-talkie | The quality of PD680 digital explosion-proof machine strictly conforms to the Chinese explosion-proof electrical standard (2010 edition) based on intrinsic safety design; it can not only be used in flammable gas environment, but also work safely in high dust environment, providing the most professional and safe communication guarantee for users in various harsh environments.。 |
| Speech clearer | PD680 digital explosion-proof walkie-talkie adopts professional voice and digital noise reduction technology. It can show clear voice even in early noisy environment, avoid repetitive communication caused by environmental noise, and avoid the influence of ambiguity of voice on efficiency and operation safety. |
| IP67 level protection | There are various kinds of flammable gases and combustible dust in the working environment such as energy and chemical industry, which are easy to cause corrosive damage to equipment. The protection level of PD680 explosion-proof walkie-talkie is as high as IP67. Good sealing ensures that internal components are not corroded. Even if used in harsh environment for a long time, excellent product performance can be maintained. Environment affects communication. |
| Multiple Safety Guarantee Technology | The built-in inverted alarm function can alarm in time when personnel are in sudden accidents, effectively safeguarding the personal safety of staff. Batteries adopt anti-dropping technology, anti-static technology of fuselage, programmable emergency buttons, etc. to build a safety line in all directions. |
| More durable use time | Standardized 2000mAh high capacity batteries, up to 20 hours of ultra-long life, can carry out more durable operation requirements, more in line with the petrochemical industry and other outdoor working environment. |
| Reliable and durable quality | PD680 explosion-proof walkie-talkie has passed the rigorous accelerated aging test. Its quality strictly conforms to the US military standard MIL-STD-810 C/D/E/F/G. It can deal with harsh environment comprehensively and avoid communication jam caused by environmental problems. |
| Ultra-thin appearance design | Ultra-thin metal frame design, delicate professional, fine handshake texture, body size: 123*55*34mm; standard distribution battery 330g; minimize the burden of operators, improve personnel efficiency. |
| Digital-Analog Compatibility, Smooth Switching | It supports both digital and analog modes, and can be compatible with existing analog systems. Users can switch terminal devices and system devices step by step according to budget and actual communication needs. |