868MHz Outdoor Cavity Filter – IP67 Waterproof N-Female Bandpass Module for Helium EU868 Hotspots, Outdoor LoRaWAN Gateways & Weatherproof IoT Hardware
Product Description
Deploying sensitive RF receivers in outdoor environments means battling both severe weather and unpredictable out-of-band interference. The 868MHz Outdoor Cavity Filter is engineered to survive these conditions, featuring an IP67 waterproof-rated white aluminum enclosure that shields the internal cavity from rain, dust, and harsh temperatures. Optimized for the 863-870MHz EU868 ISM band, it delivers excellent out-of-band rejection and low insertion loss, ensuring your outdoor LoRaWAN gateways, Helium hotspots, and industrial IoT hardware receive only clean, intended signals. When reliable, weatherproof signal purification is required, this N-Female module provides a durable, drop-in solution for field deployments.
Typical Applications
- Helium EU868 Hotspots: Ensure outdoor miner stability with weatherproof protection and interference blocking.
- Outdoor LoRaWAN Gateways: Protect receiver front-ends from adjacent channel noise in harsh environments.
- Weatherproof IoT Hardware: Enhance signal purity for long-range environmental and agricultural sensors.
- Smart Agriculture Networks: Suppress spurious emissions in outdoor soil moisture and climate monitoring systems.
- Utility Metering Infrastructure: Provide reliable filtering for exposed smart grid communication nodes.
- Outdoor RF Testing: Support field diagnostics and signal validation with robust weather resistance.
Technical Specifications
|
Parameter |
Value |
|
Working Frequency |
863-870MHz (Center 868MHz) |
|
Input And Output Impedance |
50Ω |
|
VSWR |
≤1.2 |
|
Insertion Loss |
≤1.2dB |
|
In-Band Ripple |
<0.5dB |
|
Out-of-Band Rejection |
≥55dB@100-853MHz; ≥55dB@880-2700MHz |
|
Power Supply |
20W |
|
Operating Temperature |
-40~80℃ |
|
RF Connectors |
N-Female |
|
Waterproof Rating |
IP67 |
|
Housing |
Rugged Aluminum & Painted White |
|
Size |
132*71.5*47.5mm |
|
Net Weight |
0.7kg |
|
Intended Use |
Outdoor |
Key Advantages
IP67 Waterproof and Weatherproof Design. The IP67-rated white aluminum enclosure provides exceptional protection against water ingress, dust, and UV exposure, ensuring stable performance in pole-mounted or exposed outdoor installations.
High Rejection and Low Loss. With ≥55dB out-of-band rejection across both 100-853MHz and 880-2700MHz, this filter heavily attenuates external interference, while the ≤1.2dB insertion loss and VSWR ≤1.2 preserve valuable signal strength.
Optimized for Outdoor EU868 Networks. Equipped with robust N-Female connectors, this module is specifically tuned for the 863-870MHz band, making it an ideal drop-in filter for outdoor Helium miners, LoRaWAN gateways, and weatherproof wireless infrastructure.
What's in the Box
- 1 × 868MHz Outdoor Cavity Filter