915MHz Outdoor Cavity Filter – IP67 Waterproof N-Female Bandpass Module for US915 Helium Hotspots, Weather-Resistant LoRa Gateways & Long-Distance IoT Sensors
Product Description
Deploying high-sensitivity receivers in outdoor environments requires hardware that can withstand the elements while aggressively rejecting interference. The 915MHz Outdoor Cavity Filter is engineered for the North American US915 band, delivering ≥60dB of outstanding out-of-band rejection to block strong adjacent signals that cause receiver desensitization. Housed in a tough IP67 waterproof white aluminum enclosure, it is specifically built to survive rain, dust, and extreme temperatures. With its N-Female connectors and ≤1.0dB insertion loss, this module ensures that outdoor-deployed Helium hotspots, LoRaWAN gateways, and long-distance wireless sensors maintain clean spectrum and maximum link budget in the field.
Typical Applications
- Outdoor US915 Helium Hotspots: Maximize mining efficiency with weatherproof protection and superior interference blocking.
- Weather-Resistant LoRaWAN Gateways: Protect outdoor receiver front-ends from adjacent channel noise and environmental damage.
- Long-Distance Outdoor Sensors: Enhance signal purity for agricultural, environmental, and industrial telemetry in remote sites.
- Smart City Infrastructure: Provide reliable filtering for exposed smart grid and municipal wireless nodes.
- Outdoor Point-to-Point Links: Improve signal-to-noise ratio in harsh, exposed wireless bridge deployments.
- Field RF Diagnostics: Support outdoor signal validation with robust weather resistance and shielding.
Technical Specifications
|
Parameter |
Value |
|
Working Frequency |
902-928MHz (Center 915MHz) |
|
Input And Output Impedance |
50Ω |
|
VSWR |
≤1.2 |
|
Insertion Loss |
≤1.0dB |
|
In-Band Ripple |
<0.5dB |
|
Out-of-Band Rejection |
≥60dB |
|
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 Enclosure. The IP67-rated white aluminum housing provides exceptional protection against water ingress, dust, and UV exposure, ensuring reliable performance for pole-mounted or exposed outdoor installations.
High Rejection and Minimal Signal Loss. Featuring ≥60dB out-of-band rejection, this filter heavily attenuates external interference. The ≤1.0dB insertion loss and VSWR ≤1.2 preserve valuable signal strength within the 902-928MHz passband.
Optimized for North American US915 Networks. Equipped with robust N-Female connectors, this module is specifically tuned for the US915 band, making it an ideal drop-in filter for outdoor Helium miners, weather-resistant LoRaWAN gateways, and long-distance IoT hardware.
What's in the Box
- 1 × 915MHz Outdoor Cavity Filter