PRODUCT DETAILS
DESCRIPTION
This 902-928MHz Cavity Filter is engineered to deliver critical interference protection for your Helium Network and 915MHz LoRaWAN systems. Designed with the professional installer in mind, it features an ultra-low insertion loss of 1.0dB and provides exceptional out-of-band suppression of 60dB at just 10MHz from the band edge. Housed in a rugged aluminum construction with N-Female connectors on both ports, this indoor filter ensures maximum signal integrity and system performance by effectively blocking strong adjacent interference from cellular and other RF services.
Why a High Out-of-Band Rejection Filter is Essential
The primary function of a filter is to eliminate interference signals. Therefore, the higher the out-of-band rejection and the closer this performance is to your working frequency band, the better. A filter that does not clearly specify this critical parameter is misleading; without significant rejection, it functions merely as a transmission line—offering low insertion loss but providing no real filtering protection for your network.
KEY FEATURES
Ultra-Low Insertion Loss: 1.0dB nominal loss preserves your valuable RF signal strength and hotspot efficiency.
High Out-of-Band Rejection: 60dB suppression near the band edge for effective blocking of close-in interference.
Built-In Surge Protection: Provides DC short circuit protection on RF ports, acting as a basic lightning arrestor.
Full Band Coverage: Optimized for the complete 902-928MHz (26MHz bandwidth) LoRa and Helium application range.
Robust Connectivity: Features N-Female connectors on both sides for reliable, low-loss connections in professional setups.
TECHNICAL SPECIFICATIONS
| Parameter | Specification | Details / Benefit |
|---|---|---|
| Target Frequency Band | 902 - 928 MHz | Perfect for Helium & North American LoRaWAN ISM band. |
| Insertion Loss | ≤ 1.0 dB | Ultra-low loss maximizes power transfer to the antenna. |
| Out-of-Band Rejection | 60 dB (at 10MHz offset) | High suppression of nearby interfering signals. |
| VSWR | ≤ 1.5 (Typical) | Good impedance matching for minimal signal reflection. |
| Power Handling | 20W (Typical) | Sufficient for standard transmitter power levels. |
| Port Protection | DC Short | Basic surge and lightning protector functionality. |
| RF Connectors | N-Female (x2) | Robust connectors for permanent, low-loss installations. |
| Housing Material | Rugged Aluminum | Durable construction for long-term reliability. |
| Intended Use | Indoor | For deployment in controlled environments. |
INCLUDED
1 x 902-928MHz Cavity Filter
Professional 915MHz N-Female Cavity Filter for Helium Network | ≤1.0dB Ultra-Low Loss | 60dB High Rejection
SHIPPING
When we receive your order, we will ship the goods within 2-3 business days. And inform you of the tracking number of the package by email.
Standard Shipping: The package will be shipped using the Postal Office System and is expected to be delivered within 15-25 days.
Express Shipping: DHL/UPS/Fedex. It is expected to arrive within 5-7 working days.
Orders shipped via UPS or FedEx are charged based on the current carriers' rates. Multiple item orders may ship from different locations. In this case, you will receive a separate email confirmation for each shipment.
$8.99 flat rate shipping is available through UPS Ground shipping only. In order to qualify, package must weigh under 20 lbs. If above 20 lbs., standard ground rates apply.
DELIVERY AND TITLE
a) Unless otherwise agreed to in writing, all products are shipped Incoterms 2010 - FCA Shipping Point. Subject to seller's right of stoppage in transit, delivery of the products to the carrier will constitute delivery to buyer and title and risk of loss will pass to the buyer.
b) Seller will make reasonable efforts to initiate shipment and schedule delivery as close as possible to the buyer's requested delivery date(s). Buyer acknowledges that delivery dates provided by the seller are estimates only and that seller will not be liable for failure to deliver on such dates.
c) Selection of the carrier and delivery route will be made by the seller unless specifically designated by the buyer.
d) Seller reserves the right to make deliveries in installments. Delay in delivery of one installment will not entitle the buyer to cancel any other installment(s). Delivery of any installment of products within thirty (30) days after the date requested will constitute a timely delivery. Delivery of a quantity that varies from the quantity specified shall not relieve the buyer of the obligation to accept delivery and pay for the products delivered.
e) Deliveries shall be made during normal business hours Monday through Friday. One attempt to deliver will be made. Should delivery need to be rescheduled, any additional costs incurred for redelivery and/or storage fees will be charged to the buyer. Seller shall use reasonable efforts to make timely delivery but shall be excused from any delays arising out of causes beyond its reasonable control. Any specific delivery dates that may be stated are approximate.