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

RO2102A-1

5.97x3.94mm case
Not for new design
Replacement Part RO3102A-1

423.22 MHz Resonator - Single Port


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


• Ideal for 423.22 MHz LOs in Superhet Receivers
• Low Series Resistance
• Quartz Stability
• Surface-Mount, Ceramic Case with 21 mm2 Footprint
• Complies with Directive 2002/95/EC (RoHS)
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

download data sheet Rev Date 03/25/08

download Package Specs

  • Features
  • AppNotes
  • Buy Now
  • End of Life
The RO2102a-1 is a true one-port, surface-acoustic-wave (SAW) resonator in a surface-mount, ceramic case. It provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency oscillators operating at 423.22 MHz. The RO2102A-1 is designed specifically for the LO of 433.92 MHz superhet receivers in remote-control and wireless security applications operating under ETSI I-ETS 300 220 in Europe.

Mouser Avnet Digi-Key Future Electronics Xinkai Digital North America Countries

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

The purpose of this End-of-Life Product Notice is to communicate the obsolescence of the RO2102A-1.

REPLACEMENT PARTS. RFM will provide technical assistance to minimize customer resources and time required to transition to an alternative product. RFM recommends the following replacement part: RO3102A-1,

LAST-TIME-BUY. The notice of obsolescence for this device was announced August 2007. As a result, last-time-buy orders (LTB) will be accepted based on product availability.
Buy from Mouser
Buy from Acal
Buy from Avnet
Buy from Digi-Key
Buy from Nu Horizons

TERMS. All orders will be non-cancellable, non-returnable and all shipments must be complete by May 31, 2010. All last time buy orders are covered by the RFM standard One Year Product Warranty.

Please contact local RFM Sales Rep or Distributor for additional information.

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