YQM1109F

The YQM1109F Series is an ultra-miniature SAW bandpass filter designed for compact RF front-end applications. Featuring a tiny 1.1 × 0.9 mm ceramic SMD package, it supports frequencies from 800 MHz to 2700 MHz and covers major LTE, GNSS, Bluetooth, Wi-Fi, and cellular communication bands.

Combining low insertion loss, excellent out-of-band rejection, and an extremely small footprint, the YQM1109F helps designers maximize PCB space while maintaining reliable RF performance. It is an ideal solution for smartphones, wearable devices, compact IoT modules, and automotive RF systems.

Datasheet Contact Us
Parameter Table
Sample
Key Advantages:
  • Ultra-small 1.1 × 0.9 mm package enables highly compact and lightweight device designs.
  • Low insertion loss helps improve receiver sensitivity and signal quality.
  • Excellent out-of-band attenuation suppresses Wi-Fi, cellular, and adjacent-channel interference.
  • Available in consumer, industrial, and automotive-grade versions for diverse application requirements.
  • Standard 50 Ω impedance simplifies RF front-end integration without external matching networks.

Key Features:  
  • Frequency range: 800 MHz to 2700 MHz
  • Supports LTE, GNSS, Bluetooth, Wi-Fi, and cellular communication bands
  • Ultra-compact package size: 1.1 × 0.9 × 0.5 mm
  • Standard 5-pad SMD package
  • Typical insertion loss: 1.8–2.5 dB
  • Passband ripple: ≤ 1.2 dB
  • Out-of-band attenuation: 42–55 dB
  • Custom bandwidth options: 5 MHz to 80 MHz
  • TC-SAW versions available with temperature drift ≤ 3 ppm/°C
  • Operating temperature up to -40°C to +125°C (industrial and automotive grade)
  • RoHS and REACH compliant
  • Selected automotive versions available with AEC-Q200 qualification

Applications:  
  • Smartphones, feature phones, tablets, and RF front-end modules
  • Smartwatches, TWS earbuds, and wearable electronics
  • NB-IoT, Cat.1, Bluetooth LE, and Wi-Fi communication modules
  • GPS, BeiDou, and GNSS positioning devices
  • Automotive T-BOX systems, Bluetooth keys, and TPMS modules
  • Portable wireless terminals, drones, and compact industrial IoT devices
Submit

Frequency : 707~2655M

Dimension : 1.1*0.9

Load Capacitance :

Operating Temp :

Frequency Tolerance : As Low As ± 17 MHz

Series :

Package : 1.1*0.9

Output Freq :

Output Type :

Output Qty :

Input Type :

Temp :

Jitter :

Insertion Loss : As Low As 1.1 dB