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Internal 433MHz Omni Directional Antenna
Product Code: BLA-433-OMNI
- Helical omni-directional antenna
- Frequency 400-438MHz
- For medical aids, PMSE, amateur radio
Payment methods accepted
Product Description
BLA-433-OMNI Helical Omni-Directional Antenna
The BLA-433-OMNI is a high-performance helical omni-directional antenna designed to meet the diverse needs of various applications. It offers reliable wireless connectivity and exceptional performance within the frequency band.
Applications:
- Medical Wireless Monitoring applications
- Meteorological Aids
- Services for Program Making and Special Events (PMSE)
- Business Radio
- Model Control
- Amateur Radio low power applications
Features:
- Type: Helical Omni-Directional Antenna
- Frequency: 400-438 MHz
- Mounting: Internal Wall or Ceiling
- Impedance: 50Ω
- Handling Power: 5w
- Polarisation: Vertical or Horizontal (dependent on mounting method)
- Connection: 3m LMR200 with SMA-M termination
- Gain: 3-5dBi
- Isolation: >24dB
- Horizontal Beamwidth (-3dB): 360°
- Vertical Beamwidth (-3dB): 85-35°
- VSWR: ≤1.8
- Weight: 0.5Kg
- Dimensions: 250mmx140mm
- Cover: Acrylonitrile butadiene styrene
Technical Specifications:
| Type | Helical Omni-Directional Antenna |
| Frequency | 400-438 MHz |
| Mounting | Internal Wall or Ceiling |
| Impedance | 50Ω |
| Handling Power | 5w |
| Polarisation | Vertical or Horizontal (dependent on mounting method) |
| Connection | 3m LMR200 with SMA-M termination |
| Gain | 3-5dBi |
| Isolation | >24dB |
| Horizontal Beamwidth (-3dB) | 360° |
| Vertical Beamwidth (-3dB) | 85-35° |
| VSWR | ≤1.8 |
| Weight | 0.5Kg |
| Dimensions | 250mmx140mm |
| Cover | Acrylonitrile butadiene styrene |
Technical Specification
Width
150mm
Depth
150mm
Height
150mm
Weight
0.42kg
12/06/2025
08/06/2025
Service was good. VAT & postage high but we’re in the eu here. Havnt tried it yet.
31/05/2025
Ordered pole, bracket and end stopper online to collect from Rutland Road Sheffield. No problem ordering and all items were in stock. Was informed when order was ready and was served by friendly staff on collection.
26/05/2025
Fast and easy service with good quality goods
25/05/2025
Good intial service, products arrived safely. Downside, found the products about 50% cheaper at another retailer who are reliable and trusted, so not lower quality and the aerial which was recommended for my area is not suitable and the quality of reception is worse then the original aerial.
Google Company Reviews
16/06/2025
From order to delivery, the service was first class. Communication was fantastic, I was informed every step of the way. I’m very happy with the product and I’m very pleased to recommend Blake UK, they are a family run ethos business.
12/06/2025
Superb service, communication, price and delivery time. I'm a first time user but certainly won't be my last. Thanks again
12/06/2025
First of all the product was as described, well packed and did the job I bought it for. Super fast delivery! Great updates on the the order and delivery process. Thank you all!
08/06/2025
First time to order from Blake UK. You won't be disappointed ordered to N.I. great customer service and updates on delivery status. Family business and great follow-up with customers. Do not hesitate to order from Blake.
30/05/2025
Quick delivery- great value for money - perfect description of product
Payment methods accepted
Very good Web site easy to search for what I needed Can highly recommend and have done so inasmuch as my freind Is going to make a purchase.