RFM offers a full set of custom embedded wireless networking solutions like Zigbee wireless mesh sensor networks, RF modules, IC transceiver, IC transmitters and IC receivers. RFM, Inc. manufactures low power wireless and RF radio modules, wireless mesh nodes for distributed sensing on distributed sensor networks. Low Power radio, n../arrowband and short range devices, front end saw filters, active RFID, RFIC, coupled resonator filters, single silicon chips in the 70MHZ and 300-1000Mhz range.

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RF Components
Products Guide



Wireless Device
Selection Guide

SF2027B

13.3x6.5mm case
199 MHz SAW Filter - IF

Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.


• GSM BTS Receiver IF Applications
• Small Size
• Hermetic 13.3 X 6.5 mm Surface Mount Case
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

download data sheet Rev Date 04/14/03

download RoHS Statement

download Package Specs

  • Specs
  • AppNotes
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Electrical Characteristics
Characteristic Symbol Minimum Typical Maximum Units
Nominal Frequency fN 199.0 MHz
Insertion Loss (including matching to 200 ohms) IL < 7.0 dB
Group Delay Ripple peak - peak (198.9 .. 199.1 MHz) < 700 ns
Amplitude Ripple peak - peak (198.9 .. 199.1 MHz) < 1.0 dB
Relative attenuation fn - 100 kHz .. fn +100 kHz (passband) < 0.7 dB
fn - 300 kHz fn +300 kHz > 10 dB
fn - 500 kHz fn +500 kHz > 27 dB
fn - 600 kHz fn +600 kHz > 36 dB
fn +700 kHz > 45 dB

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RFM products are sold through a world-wide network of manufacturer's sales reps and distributors.

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