868MHz 4MHz 1dB Bandwidth SAW Bandpass FBP-868s Filter For LoRa LoRaWAN Helium Networks SMA-M SMA-F Interface
You will be redirected to AliExpress to complete your purchase
Specifications
- Brand Name
- NONE
- Type
- LC Filter
- High-concerned chemical
- None
- Origin
- Mainland China
- Package Type
- Throught Hole
- Insertion Loss
- < 3.5 dB
- Input Impedance
- 50 Ohms
- Model Number
- FBP-868s
- is_customized
- Yes
- Stopband Attenuation
- dB
- Transfer Function
- Band Pass
- Nominal Center Frequency
- 868 MHz
- 3dB Bandwidth
- dB
Product Description
This filter 1DB bandwidth is 4MHz, and the cutoff characteristics are steep. The performance optimization of the 868MHz RFID receiver, the performance optimization of the European LORA Internet Node device can effectively filter out the band signal, reduce noise, and increase the dynamic range.
Model: FBP-868S
Impedance: 50 ohms
Center frequency: 868 MHz
Tong frequency band (1DB bandwidth): 866 ~ 870 MHz
With interpolation: <3.5 dB
Maximum load power: 100 mW (20 dBm)
Interface: SMA-M, SMA-F
Audio map (labeled 3DB bandwidth in the figure, scan center frequency: 868MHz, blue wire width: 100MHz, vertical scale: 10dB per grid):
Pros & Cons
Pros
- Steep 4MHz 1dB bandwidth for clean 868MHz filtering
- Low insertion loss <3.5dB
- SMA interfaces for easy LoRa/Helium integration
- Optimizes receiver performance by reducing noise
Cons
- Through-hole may require soldering
- Specific to 868MHz band only
- Stopband attenuation not quantified
- Customized, potential lead time
Common Questions
What type of filter and material?
SAW bandpass LC filter, through-hole package for 868MHz LoRa.
What bandwidth and frequency specs?
Nominal 868MHz center, 1dB bandwidth 4MHz, insertion loss <3.5dB.
Compatible interfaces and uses?
SMA-M to SMA-F; for LoRa, LoRaWAN, Helium Networks, RFID optimization.
How to use in LoRa setups?
Filters band signals, reduces noise, increases dynamic range; steep cutoff characteristics.
Impedance and origin?
50 Ohms input impedance; origin Mainland China.
Product information last updated on December 3, 2025