The leading TETRA handheld radio in the world with the highest level of intrinsic safety.
The PT790 Ex is the first TETRA handheld radio worldwide with the highest intrinsically safe level "ia". Its robust design and its safety functions substantially increase the industrial safety of users in the oil and gas industry, mining industry or fire departments.
As the first TETRA handheld radio throughout the world with "ia" approval, the PT790 Ex can be used in areas in which an explosive atmosphere containing a mix of air and combustible gases, vapors or mists are permanently present (Zone 0). In addition, the radio can be used in areas where hazardous materials are only present under certain circumstances/conditions (Zone 1).
The PT790 Ex offers excellent features even under harsh operating conditions. The device is dust-proof and waterproof in accordance with IP67 degree of protection, withstanding submersion in 1 meter of water for a duration of up to 30 minutes. Furthermore, the PT790 Ex meets the requirements of the US MIL-STD-810 F/G standard.
To offer the maximum possible industrial safety, the PT790 Ex features a man down alarm sensor and an adjustable time alarm (lone worker). The standard equipment GNSS module receives positioning data via GPS, GLONASS and Beidou and can transfer these data for further analysis to the control room or an AVL dispatcher.
PT790 Ex provides rapid access to the TETRA radio network and to its services. It meets the regulations of the ETSI TETRA standard and is therefore compatible with infrastructures and terminals from various manufacturers.
Besides voice and data communication, the PT790 Ex offers many additional functions: Encryption, programmable keys, etc. A rugged side connector is provided for connection of a wide range of approved lightweight and heavy duty headsets, helmet sets, etc.
The high-strength LCD protective cover is extremely scratch-resistant. As part of the ATEX compliance testing the screen can withstand the impact of a 1 kg ball, dropped on it from a 1 m height.
To minimize the possibility of a discharge at the belt clip, the screws for fastening the belt clip are countersunk. If the radio should ever be dropped, the screws will not touch the ground.
Group calls
General data
| Frequency ranges |
320 – 380 MHz / 380 – 430 MHz
|
| Dimensions (H × B × T) |
141 × 55 × 39 mm |
| Weight |
approx. 515 g (with 1800 mAh battery and antenna) |
| Operating voltage |
7.4 V |
| Battery (lithium-ion battery) |
1800 mAh (standard battery) |
| Battery service life (5/5/90 duty cycle) |
Approx. 19 hours (standard battery) |
| Maximum audio power output |
> 1.2 W |
User interface
| LCD display |
160 x 128 pixels, 65,536 colors, 1.8 inches |
| Call group number – TMO |
6000 |
| Call group number – DMO |
4000 |
| Phone book |
2000 entries |
| Group folders – TMO (use for scanning, scan lists) |
200 (200 groups per list) |
| Group folders – DMO |
50 (200 groups per list) |
| Number of short messages (SDS) / (input, output, drafts) |
400 / 50 / 50 |
| Number of status messages |
200 |
Environmental conditions
| Operating temperature range (in non-hazardous environment) |
-30 °C to +60 °C |
| Operating temperature range (in hazardous environment) |
-20 °C to +55 °C |
| Storage temperature range |
-40 °C to +85 °C |
| Relative humidity |
ETS 300 019 (95 %) |
| Protection against dust and moisture |
IEC60529, IP67 |
| Shock and vibration resistance |
MIL-STD-810 F/G |
| Explosion protection |
II 1 G Ex ia IIC T3 IP5X Ta -20°C to +55°C |
Radio characteristics
| Channel spacing |
25 kHz |
| Transmitting power |
1 W |
| Transmitting power accuracy |
±2 dB |
| Receiver class |
ETSI EN 392-2 / 396-2 class A |
| Static receiver sensitivity |
-112 dBm (typical -116 dBm) |
| Dynamic receiver sensitivity |
-106 dBm (typical -108 dBm) |
GNSS (GPS / GLONASS / Beidou)
| Sensitivity |
≤ -144 dBm receiving sensitivity |
| Precision |
≤ 10 m |
| TTFF (Time To First Fix) cold start |
< 50 s |
| TTFF (Time To First Fix) warm start |
< 1 s |
Features marked with * are available in future versions of the product.
All technical data were tested according to the respective standards. Due to continuing development, technical changes are reserved.
