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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rfm resonator part numbers ro ro2 ro20 ro21 ro22 ro3 ro30 ro31 ro33 rp rp1 rp12 rp13








Not for New Design

Replacement Part #

SAW Resonators

Single Port Resonators Dual Port Resonators

RFM provides a large selection of discrete SAW resonators in a broad range of frequencies from 300 MHz to over 1 GHz. These products are designed to be the frequency control element in transmitters and receiver local oscillators. Their use allows reduced receiver bandwidths, which results in improved sensitivity and immunity to interference. Tighter center frequency tolerances are becoming popular primarily in Europe. RFM can provide as tight as +/-50 kHz currently. These devices are quartz stabilized to ensure maximum temperature performance in a variety of applications.

The SAW Resonator product family includes one and two-port types. The RO series is a line of true one-port devices with a lumped element model that is similar to that of a bulk crystal device. One-port resonators are typically used in modified Colpitts oscillator configurations where the resonator is connected between the base of a transistor and ground.

RO resonator products are packaged in both the traditional TO39 and a variety of surface-mount packages. The TO39 parts are shipped in antistatic shipping tubes and the SMT parts are shipped in tape-and-reel. RFM is currently manufacturing both the TO39 and SMT versions of one-port resonators in high volumes.

Applications
These systems are typically required in applications such as automotive keyless entry, tire pressure monitoring, door and gate openers, personal and home security, automated meter readers, wireless point of sale terminals, bar code readers, identification tags, and computer peripherals.

Single Port Resonators
RFM Part   sort Replacement Part   sort Frequency   sort Lid Sym.   sort Case   sort
RO2021 418.05 MHz RO2021 9.3mm diameter case
RO2023-10 RO3023 433.97 MHz 202310 9.3mm diameter case
RO2043 303.875 MHz RO2043 9.3mm diameter case
RO2044 318 MHz RO2044 9.3mm diameter case
RO2053 310 MHz RO2053 9.3mm diameter case
RO2053A-1 RO3053A-1 310 MHz 308 5.97x3.94mm case
RO2071-2 980 MHz RO2071-2 9.3mm diameter case
RO2073 RO3073 315 MHz RO2073 9.3mm diameter case
RO2073A RO3073A 315 MHz 101 5.97x3.94mm case
RO2073A-1 RO3073A-1 315 MHz 111 5.97x3.94mm case
RO2073A-17 RO3073A 315 MHz 505 5.97x3.94mm case
RO2073A-5 RO3073A-5 315.05 MHz 151 5.97x3.94mm case
RO2073A-6 RO3073A-1 315 MHz 164 5.97x3.94mm case
RO2073C RO3073C 315 MHz 412 5.0x5.0mm case
RO2073D RO3073D 315 MHz 442 3.8x3.8mm case
RO2073E RO3073E 315 MHz 474 3.0x3.0mm case
RO2073E-2 RO3073E-1 315 MHz 527 3.0x3.0mm case
RO2100 295.05 MHz RO2100 9.3mm diameter case
RO2101 RO3101 433.92 MHz RO2101 9.3mm diameter case
RO2101A RO3101A &
RO3101A-21		 433.92 MHz 100 5.97x3.94mm case
RO2101A-10 RO3101A 433.92 MHz 277 5.97x3.94mm case
RO2101A-12 RO3101A-1 433.92 MHz 307 5.97x3.94mm case
RO2101A-15 RO3101A 433.92 MHz 480 5.97x3.94mm case
RO2101A-17 RO3101A 433.92 MHz 573 5.97x3.94mm case
RO2101A-6 RO3101A-1 433.92 MHz 159 5.97x3.94mm case
RO2101C RO3101C 433.92 MHz 411 5.0x5.0mm case
RO2101D RO3101D 433.92 MHz 439 3.8x3.8mm case
RO2101E RO3101E 433.92 MHz 475 3.0x3.0mm case
RO2101E-2 RO3101E-1 433.92 MHz 552 3.0x3.0mm case
RO2102 RO3102 423.22 MHz RO2102 9.3mm diameter case
RO2102A RO3102A 423.22 MHz 114 5.97x3.94mm case
RO2102A-1 RO3102A-1 423.22 MHz 146 5.97x3.94mm case
RO2103 RO3103 418 MHz RO2103 9.3mm diameter case
RO2103A RO3103A 418 MHz 106 5.97x3.94mm case
RO2103E RO3103E 418 MHz 631 3.0x3.0mm case
RO2104 RO3104 303.825 MHz RO2104 9.3mm diameter case
RO2104A RO3104A 303.825 MHz 112 5.97x3.94mm case
RO2104D RO3104D 303.825 MHz 486 3.8x3.8mm case
RO2104D-2 RO3104D 303.825 MHz 632 3.8x3.8mm case
RO2104E RO3104E 303.825 MHz 543 3.0x3.0mm case
RO2112 RO3112 433.42 MHz RO2112 9.3mm diameter case
RO2112A RO3112A 433.42 MHz 102 5.97x3.94mm case
RO2112A-17 RO3112A 433.42 MHz 587 5.97x3.94mm case
RO2112C RO3112C 433.42 MHz 438 5.0x5.0mm case
RO2112D RO3112D 433.42 MHz 467 3.8x3.8mm case
RO2112E RO3112E 433.42 MHz 526 3.0x3.0mm case
RO2113 RO3113 314.5 MHz RO2113 9.3mm diameter case
RO2113A RO3113A 314.5 MHz 103 5.97x3.94mm case
RO2115 RO3115 417.5 MHz RO2115 9.3mm diameter case
RO2115A RO3115A 417.5 MHz 104 5.97x3.94mm case
RO2116 RO3116 303.325 MHz RO2116 9.3mm diameter case
RO2116A RO3116A 303.325 MHz 105 5.97x3.94mm case
RO2118A RO3118A 318 MHz 108 5.97x3.94mm case
RO2119A RO3119A 317.5 MHz 109 5.97x3.94mm case
RO2120A RO3120A 403.55 MHz 110 5.97x3.94mm case
RO2122A RO3122A 293.125 MHz 116 5.97x3.94mm case
RO2123A RO3123A 307.3 MHz 117 5.97x3.94mm case
RO2125 304.3 MHz RO2125 9.3mm diameter case
RO2125A RO3125A 304.3 MHz 121 5.97x3.94mm case
RO2125A-5 RO3125A-2 304.3 MHz 184 5.97x3.94mm case
RO2131D 314.35 MHz 440 3.8x3.8mm case
RO2134A RO3134A 372.5 MHz 131 5.97x3.94mm case
RO2135A 319.508 MHz 176 5.97x3.94mm case
RO2136A 432.92 MHz 143 5.97x3.94mm case
RO2138A RO3138A 407.3 MHz 144 5.97x3.94mm case
RO2144A RO3144A-2 916.5 MHz 158 5.97x3.94mm case
RO2144A-1 RO3144A 916.5 MHz 298 5.97x3.94mm case
RO2144A-2 RO3144A-1 916.5 MHz 408 5.97x3.94mm case
RO2144D RO3144D-2 916.5 MHz 432 3.8x3.8mm case
RO2144D-1 RO3144D 916.5 MHz 493 3.8x3.8mm case
RO2144D-2 RO3144D-1 916.5 MHz 537 3.8x3.8mm case
RO2144E RO3144E 916.5 MHz 515 3.0x3.0mm case
RO2144E-1 RO3144E-1 916.5 MHz 604 3.0x3.0mm case
RO2144E-2 RO3144E-2 916.5 MHz 605 3.0x3.0mm case
RO2149 311.063 MHz RO2149 9.3mm diameter case
RO2156A RO3156A-3 868.95 MHz 197 5.97x3.94mm case
RO2156A-1 RO3156A 868.95 MHz 280 5.97x3.94mm case
RO2156A-2 RO3156A-2 868.95 MHz 407 5.97x3.94mm case
RO2156D RO3156D 868.95 MHz 433 3.8x3.8mm case
RO2156D-1 RO3156D 868.95 MHz 614 3.8x3.8mm case
RO2156D-2 RO3156D 868.95 MHz 615 3.8x3.8mm case
RO2156E RO3156E-1 868.95 MHz 562 3.0x3.0mm case
RO2156E-1 RO3156E-2 868.95 MHz 562 3.0x3.0mm case
RO2156E-2 RO3156E-2 868.95 MHz 562 3.0x3.0mm case
RO2164A RO3164A-3 868.35 MHz 260 5.97x3.94mm case
RO2164A-1 RO3164A-1 868.35 MHz 278 5.97x3.94mm case
RO2164A-2 RO3164A-2 868.35 MHz 404 5.97x3.94mm case
RO2164D RO3164D 868.35 MHz 434 3.8x3.8mm case
RO2164D-1 RO3164D-1 868.35 MHz 556 3.8x3.8mm case
RO2164D-2 RO3164D-2 868.35 MHz 613 3.8x3.8mm case
RO2164E RO3164E-1 868.35 MHz 516 3.0x3.0mm case
RO2164E-1 RO3164E-2 868.35 MHz 558 3.0x3.0mm case
RO2164E-2 RO3164E-2 868.35 MHz 559 3.0x3.0mm case
RO2165A 858.25 MHz 261 5.97x3.94mm case
RO2165A-1 858.25 MHz 282 5.97x3.94mm case
RO2165A-2 858.25 MHz 405 5.97x3.94mm case
RO2166A 857.65 MHz 262 5.97x3.94mm case
RO2166A-1 857.65 MHz 283 5.97x3.94mm case
RO2166A-2 857.65 MHz 406 5.97x3.94mm case
RO2166D 857.65 MHz 483 3.8x3.8mm case
RO2166D-1 857.65 MHz 611 3.8x3.8mm case
RO2166D-2 857.65 MHz 612 3.8x3.8mm case
RO2166E 857.65 MHz 514 3.0x3.0mm case
RO2166E-1 857.65 MHz 609 3.0x3.0mm case
RO2166E-2 857.65 MHz 610 3.0x3.0mm case
RO2173A 980 MHz 287 5.97x3.94mm case
RO2173A-1 980 MHz 420 5.97x3.94mm case
RO2173A-2 980 MHz 445 5.97x3.94mm case
RO2188 390 MHz RO2188 9.3mm diameter case
RO2188A RO3188A 390 MHz 319 5.97x3.94mm case
RO2193A RO3193A 379.3 MHz 397 5.97x3.94mm case
RO2216D 906 MHz 567 3.8x3.8mm case
RO2216D-6 905.8 MHz 583 3.8x3.8mm case
RO3023 433.97 MHz RO3023 9.3mm diameter case
RO3030A-1 314.2 MHz 830 5.0x3.5mm case
RO3053A-1 310 MHz 810 5.0x3.5mm case
RO3073 315 MHz RO3073 9.3mm diameter case
RO3073A 315 MHz 656 5.0x3.5mm case
RO3073A-1 315 MHz 742 5.0x3.5mm case
RO3073A-5 315.05 MHz 788 5.0x3.5mm case
RO3073A-6 315 MHz 789 5.0x3.5mm case
RO3073C 315 MHz 706 5.0x5.0mm case
RO3073D 315 MHz 705 3.8x3.8mm case
RO3073E 315 MHz 704 3.0x3.0mm case
RO3073E-1 315 MHz 802 3.0x3.0mm case
RO3075 345 MHz RO3075 9.3mm diameter case
RO3075A 345 MHz 664 5.0x3.5mm case
RO3075E 345 MHz 694 3.0x3.0mm case
RO3101 433.92 MHz RO3101 9.3mm diameter case
RO3101A 433.92 MHz 655 5.0x3.5mm case
RO3101A-1 433.92 MHz 745 5.0x3.5mm case
RO3101C 433.92 MHz 703 5.0x5.0mm case
RO3101D 433.92 MHz 702 3.8x3.8mm case
RO3101E 433.92 MHz 701 3.0x3.0mm case
RO3101E-1 433.92 MHz 750 3.0x3.0mm case
RO3102 423.22 MHz RO3102 9.3mm diameter case
RO3102A 423.22 MHz 823 5.0x3.5mm case
RO3102A-1 423.22 MHz 784 5.0x3.5mm case
RO3103 418 MHz RO3103 9.3mm diameter case
RO3103A 418 MHz 659 5.0x3.5mm case
RO3103D 418 MHz 717 3.8x3.8mm case
RO3103E 418 MHz 676 3.0x3.0mm case
RO3104 303.825 MHz RO3104 9.3mm diameter case
RO3104A 303.825 MHz 662 5.0x3.5mm case
RO3104C 303.825 MHz 688 5.0x5.0mm case
RO3104D 303.825 MHz 689 3.8x3.8mm case
RO3104E 303.825 MHz 690 3.0x3.0mm case
RO3112 433.42 MHz RO3112 9.3mm diameter case
RO3112A 433.42 MHz 658 5.0x3.5mm case
RO3112C 433.42 MHz 657 5.0x5.0mm case
RO3112D 433.42 MHz 683 3.8x3.8mm case
RO3112E 433.42 MHz 684 3.0x3.0mm case
RO3113 314.5 MHz RO3113 9.3mm diameter case
RO3113A 314.5 MHz 801 5.0x3.5mm case
RO3115 417.5 MHz RO3115 9.3mm diameter case
RO3115A 417.5 MHz 833 5.0x3.5mm case
RO3116 303.325 MHz RO3116 9.3mm diameter case
RO3116A 303.325 MHz 819 5.0x3.5mm case
RO3118 318 MHz RO3118 9.3mm diameter case
RO3118A 318 MHz 661 5.0x3.5mm case
RO3118A-1 318 MHz 763 5.0x3.5mm case
RO3118D 318 MHz 716 3.8x3.8mm case
RO3118E 318 MHz 687 3.0x3.0mm case
RO3119A 317.5 MHz 834 5.0x3.5mm case
RO3120A 403.55 MHz 824 5.0x3.5mm case
RO3122A 293.125 MHz 835 5.0x3.5mm case
RO3123A 307.3 MHz 831 5.0x3.5mm case
RO3125A 304.3 MHz 787 5.0x3.5mm case
RO3125A-2 304.3 MHz 815 5.0x3.5mm case
RO3132A 312 MHz 794 5.0x3.5mm case
RO3134A 372.5 MHz 836 5.0x3.5mm case
RO3138A 407.3 MHz 837 5.0x3.5mm case
RO3143A 372 MHz 820 5.0x3.5mm case
RO3144 916.5 MHz RO3144 9.3mm diameter case
RO3144A 916.5 MHz 663 5.0x3.5mm case
RO3144A-1 916.5 MHz 897 5.0x3.5mm case
RO3144A-2 916.5 MHz 813 5.0x3.5mm case
RO3144C 916.5 MHz 691 5.0x5.0mm case
RO3144D 916.5 MHz 692 3.8x3.8mm case
RO3144D-1 916.5 MHz 767 3.8x3.8mm case
RO3144D-2 916.5 MHz 768 3.8x3.8mm case
RO3144E 916.5 MHz 693 3.0x3.0mm case
RO3144E-1 916.5 MHz 769 3.0x3.0mm case
RO3144E-2 916.5 MHz 770 3.0x3.0mm case
RO3150A 304 MHz 838 5.0x3.5mm case
RO3156A 868.95 MHz 714 5.0x3.5mm case
RO3156A-1 868.95 MHz 923 5.0x3.5mm case
RO3156A-2 868.95 MHz 828 5.0x3.5mm case
RO3156D 868.95 MHz 715 3.8x3.8mm case
RO3156D-1 868.95 MHz 924 3.8x3.8mm case
RO3156D-2 868.95 MHz 925 3.8x3.8mm case
RO3156E 868.95 MHz 707 3.0x3.0mm case
RO3156E-1 868.95 MHz 708 3.0x3.0mm case
RO3156E-2 868.95 MHz 926 3.0x3.0mm case
RO3164 868.35 MHz RO3164 9.3mm diameter case
RO3164A 868.35 MHz 660 5.0x3.5mm case
RO3164A-1 868.35 MHz 780 5.0x3.5mm case
RO3164A-2 868.35 MHz 868 5.0x3.5mm case
RO3164D 868.35 MHz 685 3.8x3.8mm case
RO3164D-1 868.35 MHz 771 3.8x3.8mm case
RO3164D-2 868.35 MHz 772 3.8x3.8mm case
RO3164E 868.35 MHz 686 3.0x3.0mm case
RO3164E-1 868.35 MHz 773 3.0x3.0mm case
RO3164E-2 868.35 MHz 774 3.0x3.0mm case
RO3188A 390 MHz 797 5.0x3.5mm case
RO3193A 379.3 MHz 832 5.0x3.5mm case
RO3300E 403.55 MHz 719 3.0x3.0mm case

Dual Port Resonators
RFM Part   sort Frequency   sort Lid Sym.   sort Case   sort
RP1032 674.03 MHz 1032-3 9.3mm diameter case
RP1053-2 310 MHz 1053 9.3mm diameter case
RP1094 915 MHz P1094 9.3mm diameter case
RP1104 824.25 MHz P1104 9.3mm diameter case
RP1105 640 MHz P1105 9.3mm diameter case
RP1207-7 434.02 MHz 1207-7 9.3mm diameter case
RP1239 315 MHz P1239 9.3mm diameter case
RP1286 906 MHz P1286 9.3mm diameter case
RP1298 423.22 MHz P1298 9.3mm diameter case
RP1308 433.92 MHz P1308 9.3mm diameter case