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Swissphone DE920Ex - Atex Pager

The Swissophone DE920 Ex Pager offers unprecedented protection for public safety and petro-chemical professionals alike. With ATEX Protection Class II 2G EEx ib llc T4, the DE920 Ex guarantees safe usage in all potentially explosive atmospheres where air and flammable gases mix.

The DE920Ex Atex Pager boasts an array of user friendly operational features. Its 3-line back lit LCD with large character set makes reading more efficient, its 3-button operation makes usage effortless, and its robust housing guarantees a long lasting and safe investment. The ECO mode allows users longer independent battery operation, reducing the necessity for frequent recharging. Combining superior protection and outstanding usability, the DE920 Ex is the ideal choice for alerting in hazardous areas.

Swissphone DE920 Ex - DE920ex - Atex Pager
List Price £P.O.A + vat
  • Intrinsically safe, approved according to
    (Ex) II 2G Ex Ib IIC T4
  • 32 RIC, each with 4 subaddresses
  • 9 user profiles plus 1 expansion profile
  • Optional IDEA 128 bit encryption
Swissphone DE920 Ex Specifications
Frequency bands
(other frequencies on request)
VHF band 4 m 81- 88 MHz
VHF band 2 m 138-174 MHz
UHF band 70 cm 430-470 MHz
Channel spacing 12.5, 20/25 kHz
Sensitivity*: @ baudrate 512 bit/s
@ baudrate 1200 bit/s
@ baudrate 2400 bit/s
*typical value at 2 m UB
(best position on „salty man“)
3.0 μV/m
3.5 μV/m
4.0 μV/m


Frequency processing PLL, frequency adjustable via progamming software
VHF: +/- 0.5 MHz
UHF: +/- 1.0 MHz
Compliants (Ex) II 2G Ex ib IIC T4, ETSI EN 300390
Norms EN 60079-0, 60079-11 (explosion protection)
EN 60068-2-27 (shock)
EN 60068-2-6 (vibration)
EN 60068-2-32 (drop test)
EN 60529:1991 + A1:2000 IP52*
*IP54 ensured with leather carry bag (see accessories)
Addresses 32 main addresses (RIC), each with 4 subaddresses,
frame independent
Display - 3 lines, 16 characters per line
- 5 mm font
Alerting - Acoustique > 85 dB(A) @ 30 cm distance
- 9 alerts/user profiles + 1 extension
- Vibration
Messages - 15 messages of up to 255 characters
- Up to 2 message folders and automatic storage
tray, altogether 4096 characters storable
- 128 fixed texts. 32 characters can be stored
Power management - Type AAA battery or alcaline dry cell AA
- Accurate accumulator/battery status indication
- Operating time left (regular mode/ECO mode):
Dry cell alcaline battery (AA, 1.5 V) 900/1100 h
NiMH rechargeable batterry (AAA, 1.2 V/1000 mAh) 410/500 h
Temperature range - 20° C to + 55° C with NiMH rechargeable battery
- 20° C to + 50° C with alcaline dry cell
Dimensions (H x W x D) 79 x 53 x 24 mm
Weight kg 88 g / 94 g (accumulator/dry cell)
Miscellaneous Supports Express-Alarm®
- Supports On-air programming
- Option IDEA® encrypting (128 Bit)
- Option multi channel (up to 9 channels)
Accessories - Wide range of chargers
- Windows based programming software
- Clip holster
- Leather carry bag, safety chain