RF Components - SAW SF2137E 869 MHz SAW SAW Filter - RF - 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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SF2137E

869 MHz SAW Filter - RF

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� Steep Roll-off Filter for 433.92 MHz Unlicensed band
� Complies with Directive 2002/95/EC (RoHS)
� No Matching Required for Operation in 50Ohm Environment
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

download data sheet Rev Date 09/13/10

download RoHS Statement

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Specs
AppNotes
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Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Center Frequency	FC		869.00		MHz
Bandwidth 1dB			11		MHz
Bandwidth 3dB			17		MHz
Insertion Loss within 868 ~ 870 MHz	IL		2.8	4.0	dB
Amplitude Ripple (p-p) 868 ~ 870 MHz			0.2	1.5	dB
Absolute Attenuation 825~828 MHz		40	47		dB
835~842 MHz		30	39		dB
891~894 MHz		30	42		dB
910~913 MHz		40	47		dB
Source Impedance	ZS		50		Ohm
Load Impedance	ZL		50		Ohm
Center Frequency	fC		869.00		MHz
Bandwidth, 1 dB			11		MHz
Bandwidth, 3 dB			17		MHz
Insertion Loss, 868 to 870 MHz	IL		2.8	4.0	dB
Amplitude Ripple, 868 to 870 MHz			0.2	1.5	dBP-P
Attenuation Referenced to 0 dB:
825 to 828 MHz		40	47		dB
835 to 842 MHz		30	39		dB
891 to 894 MHz		30	42		dB
910 to 913 MHz		40	47		dB
Source Impedance	ZS		50		Ohm
Load Impedance	ZL		50		Ohm