The handset of the N-89 series are especially designed for use in mobile and stationary applications in noise disturbed environments.
Their outstanding feature is the excellent ambient noise eliminations of the microphone. With this a perfect communication is guaranteed, even in noisy surroundings.
Also, the N-89 sets have all the attributes that are necessary for mobile use: robust housing with rounded edges to minimise the risk of injuries, easy reachable PTT key and stable lock of the handset in the rest.
Some models are available in 2 colours. | |
Please click on the picture for further information
 | N-89.1
Handset with electret microphone and amplifier |
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 | N-89.2
Splash-proof handset |
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 | N-89.3
Handset with exceptionally secure locking |
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 | N-89.5
Handset with dynamic microphone |
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 | Handset rests for N-89 series |
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| Technical specification for Series N-89 |
| Material | Housing made from polycarbonat, self-extinguishing |
| Weight | Handset without cable approx. 160 g
Handset with standard cable approx. 290 g |
| Degree of protection | IP 40 (N-89.2: IP 54) |
| Temperature range | -25 up to +55 °C |
| Amplifier (beside N-89.5 and Part-No. 88-01-11692) |
| Operation voltage | 10 V up to 28 V- |
| Current drain | approx. 10 mA at 10 V, approx. 31 mA at 28 V |
| Design |
| Handset with microphone and receiver, spiral cord (length coiled approx. 44 cm, straight approx. 2 m), without plug |
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| HOLMCO - Holmberg GmbH & Co. KG Berlin |
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