MA4AGSW1A
MACOM Technology Solutions
IC RF SWITCH SPST 50GHZ DIE
Varastossa5350 pcs
-
SPST
Absorptive
-
General Purpose
50GHz
46dB
-
-
-
-
MA4AGSW1
Tray
-
-
-
-55°C ~ 125°C
-
-
50MHz ~ 50GHz
-
0.3dB
Die
Die
-
RFQ
HMC253LC4TR
Analog Devices Inc.
IC RF SWITCH SP8T 3.5GHZ 24CSMT
Varastossa3640 pcs
43dBm
SP8T
Absorptive
-
Cellular, CATV
3.5GHz
35dB
-
-
-
-
HMC253
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 3.5GHz
-
1.3dB
24-TFCQFN Exposed Pad
24-CQFN (4x4)
4.5V ~ 5.5V
RFQ
PE42441E-Z
pSemi
IC RF SWITCH SP4T 8GHZ 32LGA
Varastossa7011 pcs
58dBm
SP4T
Absorptive
-
WLAN
3GHz
45dB
-
-
-
-
PE42441
Tape & Reel (TR)
-
-
UltraCMOS®
-40°C ~ 85°C
Surface Mount
50Ohm
10MHz ~ 8GHz
-
0.8dB
32-VFLGA Exposed Pad
32-LGA (5x5)
3V ~ 3.55V
RFQ
SKYA21002
Skyworks Solutions Inc.
SP3T SWITCH .1 TO 3.0 GHZ
Varastossa58120 pcs
45dBm
SP3T
-
29dBm
802.11b/g/n, Bluetooth, WLAN
2.5GHz
25dB
-
-
-
-
-
Tape & Reel (TR)
-
-
Automotive, AEC-Q100
-40°C ~ 85°C
Surface Mount
50Ohm
100MHz ~ 3GHz
-
0.5dB
8-UFDFN Exposed Pad
8-DFN (2x2)
8V
RFQ
VSWA2-63DR+
Mini-Circuits
IC RF SWITCH SPDT 6GHZ 16QFN
Varastossa26218 pcs
50dBm
SPDT
Absorptive
30dBm
Cellular, ISM, WiMAX
6GHz
46dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
500MHz ~ 6GHz
-
1dB
16-TQFN Exposed Pad
16-QFN (4x4)
3V ~ 5V
RFQ
HMC427LP3E
Analog Devices Inc.
IC RF SWITCH 8GHZ 16SMT
Varastossa5270 pcs
43dBm
-
Absorptive
26dBm
VSAT
8GHz
32dB
-
-
-
-
HMC427
Strip
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 8GHz
-
1.6dB
16-VFQFN Exposed Pad
16-QFN (3x3)
5V
RFQ
ADRF5020BCCZN-R7
Analog Devices Inc.
IC RF SWITCH SPDT 30GHZ 20LGA
Varastossa522 pcs
52dBm
SPDT
Absorptive
28dBm
VSAT
20GHz
65dB
-
-
-
-
ADRF5020
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
100MHz ~ 30GHz
-
2dB
20-WFLGA Exposed Pad
20-LGA (3x3)
5.5V
RFQ
MASWSS0181TR-3000
MACOM Technology Solutions
IC RF SWITCH SPDT 3GHZ SOT26
Varastossa26400 pcs
-
SPDT
Reflective
-
General Purpose
3GHz
16dB
-
-
-
-
MASWSS0181
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
-
50Ohm
0Hz ~ 3GHz
-
0.75dB
SOT-23-6
SOT-26
-
RFQ
HMC253QS24E
Analog Devices Inc.
IC RF SWITCH SP8T 2.5GHZ 24QSOP
Varastossa5260 pcs
43dBm
SP8T
Absorptive
23dBm
General Purpose
2.5GHz
28dB
-
-
-
-
HMC253
Strip
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 2.5GHz
-
1.8dB
24-SSOP (0.154', 3.90mm Width)
24-QSOP
5V
RFQ
ADRF5044BCCZN
Analog Devices Inc.
IC RF SWITCH SP4T 30GHZ 24LGA
Varastossa233 pcs
50dBm
SP4T
-
28dBm
General Purpose
30GHz
43dB
-
-
-
-
ADRF5044
Strip
-
-
-
-40°C ~ 85°C (TC)
Surface Mount
50Ohm
100MHz ~ 30GHz
-
2.6dB
24-VFLGA Exposed Pad
24-LGA (4x4)
3.3V
RFQ
MASW-008853-TR3000
MACOM Technology Solutions
SWITCH,GAAS,SPDT,2.7V,DC-3.0GHZ,
Varastossa16314 pcs
56dBm
SPDT
-
38dBm
General Purpose
5GHz
11dB
-
-
-
-
MASW-008853
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 5GHz
-
1.1dB
6-TSSOP, SC-88, SOT-363
SC-70-6 (SOT-363)
0V ~ 2.7V
RFQ
HMC253ALC4TR
Analog Devices Inc.
IC RF SWITCH SP8T 3.5GHZ 24CSMT
Varastossa525 pcs
43dBm
SP8T
Absorptive
24dBm
WiMax
2GHz
43dB
-
-
-
-
HMC253
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 3.5GHz
-
1.1dB
24-TFCQFN Exposed Pad
24-CQFN (4x4)
5V
RFQ
ADG936BRUZ-REEL7
Analog Devices Inc.
IC RF SWITCH SPDT 2GHZ 20TSSOP
Varastossa8665 pcs
32dBm
2 x SPDT
Absorptive
16dBm
General Purpose
1GHz
36dB
-
-
-
-
ADG936
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 2GHz
-
0.9dB
20-TSSOP (0.173", 4.40mm Width)
20-TSSOP
1.65V ~ 2.75V
RFQ
SKY13498-21
Skyworks Solutions Inc.
IC RF SWITCH SP10T 20MCM
Varastossa29847 pcs
-
SP10T
-
-
General Purpose
2.7GHz
19dB
-
-
-
-
SKY13498
Tape & Reel (TR)
-
-
-
-30°C ~ 90°C
Surface Mount
50Ohm
700MHz ~ 2.69GHz
-
0.95dB
20-SMD Module
20-MCM (2.5x2.5)
2.5V ~ 6V
RFQ
SKY13316-12LF
Skyworks Solutions Inc.
IC RF SWITCH SPST 2.5GHZ 8SOIC
Varastossa3670 pcs
46dBm
SPST
Absorptive
24dBm
General Purpose
2.5GHz
30dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
-
50Ohm
300KHz ~ 2.5GHz
-
0.75dB
8-SOIC (0.154", 3.90mm Width)
8-SOIC
-
RFQ
SKYA21013
Skyworks Solutions Inc.
IC RF SWITCH SPDT 6GHZ 12QFN
Varastossa36700 pcs
68dBm
SPDT
Reflective
-
802.11b/g/n
3GHz
28dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
100MHz ~ 6GHz
-
0.5dB
12-UFQFN Exposed Pad
12-QFN (2x2)
2.5V ~ 4.8V
RFQ
ADRF5044BCCZN-R7
Analog Devices Inc.
IC RF SWITCH SP4T 30GHZ 24LGA
Varastossa297 pcs
50dBm
SP4T
-
28dBm
General Purpose
30GHz
43dB
-
-
-
-
ADRF5044
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C (TC)
Surface Mount
50Ohm
100MHz ~ 30GHz
-
2.6dB
24-VFLGA Exposed Pad
24-LGA (4x4)
3.3V
RFQ
PE42742MLIBB-Z
pSemi
IC RF SWITCH SPDT 2.2GHZ 20QFN
Varastossa42158 pcs
53dBm
SPDT
Absorptive
32dBm
CATV
2.2GHz
53.6dB
-
-
-
-
PE42742
Tape & Reel (TR)
-
-
UltraCMOS®
-40°C ~ 85°C
Surface Mount
75Ohm
5MHz ~ 2.2GHz
-
1.7dB
20-VFQFN Exposed Pad
20-QFN (4x4)
2.7V ~ 3.3V
RFQ
HMC784AMS8GETR
Analog Devices Inc.
IC MMIC GAAS SW SPDT 8MSOP
Varastossa4839 pcs
60dBm (typ)
SPDT
Reflective
41dBm
WiMAX / WiBro
-
-
-
-
-
-
HMC784
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
-
-
-
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
5V
RFQ
HMC241AQS16E
Analog Devices Inc.
IC RF SWITCH SP4T 3.5GHZ 16QSOP
Varastossa4654 pcs
48dBm
SP4T
Absorptive
29dBm
CATV
2.5GHz
36dB
-
-
-
-
HMC241
Strip
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 3.5GHz
-
0.8dB
16-SSOP (0.154', 3.90mm Width)
16-QSOP
5V
RFQ
ADGM1304JCPZ-RL7
Analog Devices Inc.
IC RF SWITCH SP4T 14GHZ 24LFCSP
Varastossa460 pcs
69dBm
SP4T
-
-
General Purpose
6GHz
19dB
-
-
-
-
ADGM1304
Tape & Reel (TR)
-
-
-
0°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 14GHz
-
0.4dB
24-VFQFN Exposed Pad
24-LFCSP (5x4)
3.1V ~ 3.3V
RFQ
MA4AGSW1
MACOM Technology Solutions
IC RF SWITCH SPST 50GHZ DIE
Varastossa4880 pcs
-
SPST
Reflective
-
General Purpose
50GHz
46dB
-
-
-
-
-
Tray
-
-
-
-55°C ~ 125°C
-
-
50MHz ~ 50GHz
-
0.3dB
Die
Die
-
RFQ
HMC336MS8GE
Analog Devices Inc.
IC RF SWITCH SPDT 6GHZ 8MSOP
Varastossa5460 pcs
42dBm
SPDT
Absorptive
25dBm
General Purpose
6GHz
42dB
-
-
-
-
HMC336
Strip
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm, 75Ohm
0Hz ~ 6GHz
-
1.6dB
8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
8-MSOPG
5V
RFQ
MA4SW410B-1
MACOM Technology Solutions
IC RF SWITCH SP4T 18GHZ DIE
Varastossa447 pcs
-
SP4T
Reflective
-
General Purpose
18GHz
35dB
-
-
-
-
MA4SW410
Tray
-
-
HMIC™
-65°C ~ 125°C
-
-
2GHz ~ 18GHz
-
1.4dB
Die
Die
-
RFQ
PE4256MLIAA-Z
pSemi
IC RF SWITCH SPDT 3GHZ 20QFN
Varastossa30181 pcs
55dBm
SPDT
Absorptive
31dBm
CATV
2.2GHz
52dB
-
-
-
-
PE4256
Tape & Reel (TR)
-
-
UltraCMOS®
-40°C ~ 85°C
Surface Mount
75Ohm
5MHz ~ 3GHz
-
1.1dB
20-VFQFN Exposed Pad
20-QFN (4x4)
2.7V ~ 3.3V
RFQ
XM0860SH-DL0601
Murata Electronics
IC RF SWITCH SPDT 6GHZ 6QFN
Varastossa4480 pcs
-
SPDT
-
-
-
6GHz
19.5dB
-
-
-
-
XM0860SH
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
-
800MHz ~ 6GHz
-
0.46dB
6-XFQFN
6-QFN (1x1)
-
RFQ
SKY13362-389LF
Skyworks Solutions Inc.
SP10T SWITCH
Varastossa194490 pcs
-
SP10T
-
40dBm
Cellular
915MHz, 1.91GHz
21dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-30°C ~ 90°C
Surface Mount
50Ohm
400MHz ~ 2.7GHz
-
1.35dB
26-VFQFN Exposed Pad
26-QFN (3x3.8)
2.7V ~ 3.3V
RFQ
PE42521MLBA-Z
Peregrine Semiconductor
IC RF SWITCH SPDT 50 OHM 16-QFN
Varastossa5263 pcs
65dBm
SPDT
Absorptive
-
General Purpose
13GHz
17dB
Cut Tape (CT)
Lead free / RoHS Compliant
3 (168 Hours)
1046-1088-1
-
-
16 Weeks
RF Switch IC General Purpose SPDT 13GHz 50 Ohm 16-QFN (3x3)
UltraCMOS®, HaRP™
-40°C ~ 85°C
-
50 Ohm
9kHz ~ 13GHz
-
1.85dB
16-VFQFN Exposed Pad
16-QFN (3x3)
2.3 V ~ 5.5 V
RFQ
HMC347ALP3ETR
Analog Devices Inc.
IC RF SWITCH SPDT 14GHZ 16QFN
Varastossa566 pcs
43dBm
SPDT
Absorptive
23dBm
VSAT
14GHz
38dB
-
-
-
-
HMC347
Tape & Reel (TR)
-
-
-
-55°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 14GHz
-
1.9dB
16-VFQFN Exposed Pad
16-QFN (3x3)
-
RFQ
CG2164X3-C2
CEL
IC RF SWITCH DPDT 6GHZ 6TSON
Varastossa56560 pcs
55dBm
DPDT
-
-
802.11a/b/g/n/ac
2.5GHz
23dB
-
-
-
-
CG2164
Tape & Reel (TR)
-
-
-
-45°C ~ 85°C
-
50Ohm
2.4GHz ~ 6GHz
-
0.5dB
6-XFDFN Exposed Pad
6-TSON
1.8V ~ 5V
RFQ
SKY13276-334
Skyworks Solutions Inc.
IC RF SWITCH SPDT 6GHZ 6LGA
Varastossa3840 pcs
55dBm
SPDT
Reflective
34dBm
802.11a/b/g/n
5.85GHz
21dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
100MHz ~ 6GHz
-
0.7dB
6-VFLGA
6-LGA (1.5x1.2)
-
RFQ
PE42650AMLI-Z
pSemi
IC RF SWITCH SP3T 1GHZ 32QFN
Varastossa4360 pcs
30dBm (min)
SP3T
Reflective
-
General Purpose
800MHz, 1GHz
38dB
-
-
-
-
-
Tape & Reel (TR)
-
-
UltraCMOS®, HaRP™
-40°C ~ 85°C
Surface Mount
50Ohm
30MHz ~ 1GHz
DC Blocked
0.3dB
32-VFQFN Exposed Pad
32-QFN (5x5)
3.2V ~ 3.4V
RFQ
JSW2-63DR+
Mini-Circuits
IC RF SWITCH SPDT 6GHZ 12QFN
Varastossa49090 pcs
62dBm
SPDT
Reflective
-
CATV, SatCom
6GHz
21dB
-
-
-
-
JSW2-63
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
5MHz ~ 6GHz
-
0.57dB
12-UFQFN Exposed Pad
12-QFN (2x2)
2.3V ~ 4.8V
RFQ
SKY13418-485LF
Skyworks Solutions Inc.
IC RF SWITCH SP8T 3GHZ 14QFN
Varastossa21207 pcs
66dBm
SP8T
Reflective
37dBm
General Purpose
2GHz
24dB
-
-
-
-
SKY13418
Tape & Reel (TR)
-
-
-
-40°C ~ 90°C
Surface Mount
50Ohm
100MHz ~ 3GHz
-
0.6dB
14-UFQFN Exposed Pad
14-QFN (2x2)
2.5V ~ 4.8V
RFQ
UPG2406TK-E2-A
CEL
IC RF SWITCH SPDT 3GHZ 6MINIMOLD
Varastossa4950 pcs
60dBm
SPDT
Reflective
30.5dBm
Bluetooth, WLAN
3GHz
17dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-45°C ~ 85°C
-
50Ohm
10MHz ~ 3GHz
-
0.53dB
6-SMD, Flat Leads
6-Minimold
-
RFQ
NJG1524APC1-TE1
Nisshinbo Micro Devices Inc.
IC RF SWITCH DPDT 3GHZ 16FFP-C1
Varastossa4780 pcs
-
DPDT
Reflective
23dBm
GSM
2GHz
27dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
-
50Ohm
50MHz ~ 3GHz
-
0.5dB
16-FFP
16-FFP-C1 (2.5x2.5)
-
RFQ
XM0825SF-TL1301
Murata Electronics
IC RF SWITCH SP3T 2.5GHZ 12QFN
Varastossa5150 pcs
-
SP3T
-
-
AMPS, CDMA, GPS
2.5GHz
19dB
-
-
-
-
XM0825SF
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
-
800MHz ~ 2.5GHz
-
0.5dB
12-WFQFN Exposed Pad
12-QFN (2.5x2.5)
-
RFQ
ADRF5046BCCZN
Analog Devices Inc.
LOW-LOSS REFLECTIVE,SP4T,40GHZ,F
Varastossa236 pcs
50dBm
SP4T
Reflective
-
Radar, VSAT
40GHz ~ 44GHz
31dB
-
-
-
-
ADRF5046
Strip
-
-
-
-40°C ~ 105°C
Surface Mount
50Ohm
100MHz ~ 44GHz
-
3dB
20-VFLGA Exposed Pad
20-LGA (3x3)
3.15V ~ 3.45V
RFQ
HMC245AQS16E
Analog Devices Inc.
IC RF SWITCH SP3T 3.5GHZ 16QSOP
Varastossa7009 pcs
48dBm
SP3T
Absorptive
29dBm
CATV
2.5GHz
36dB
-
-
-
-
HMC245
Bulk
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 3.5GHz
-
0.8dB
16-SSOP (0.154", 3.90mm Width)
16-QSOP
5V
RFQ
PE42721MLBA-Z
pSemi
IC RF SWITCH SPDT 2.2GHZ 12QFN
Varastossa49080 pcs
60dBm
SPDT
Absorptive
-
CATV
2.2GHz
55dB
-
-
-
-
PE42721
Tape & Reel (TR)
-
-
UltraCMOS®, HaRP™
-40°C ~ 85°C
Surface Mount
75Ohm
5MHz ~ 2.2GHz
-
0.65dB
12-WFQFN Exposed Pad
12-QFN (3x3)
2.3V ~ 5.5V
RFQ
SKY85605-11
Skyworks Solutions Inc.
IC RF SWITCH SPDT 5.9GHZ 16QFN
Varastossa48180 pcs
-
SPDT
-
-
802.11a/n
-
-
-
-
-
-
SKY85605
Tape & Reel (TR)
-
-
-
-
-
-
4.5GHz ~ 5.9GHz
-
-
-
16-QFN (2.3x2.3)
3.3V
RFQ
MA8334-001
MACOM Technology Solutions
IC RF SWITCH SPDT 1GHZ 844-001
Varastossa304 pcs
-
SPDT
Reflective
-
General Purpose
450MHz
24dB (min)
-
-
-
-
MA8334
Tray
-
-
CERMACHIP™
-65°C ~ 125°C
-
50Ohm
10MHz ~ 1GHz
-
0.35dB
844-001
844-001
-
RFQ
SKY13550-667LF
Skyworks Solutions Inc.
IC RF SWITCH SP4T 3.8GHZ 14QFN
Varastossa62970 pcs
-
SP4T
-
-
CDMA2000, UMTS
3.8GHz, 2.7GHz
22dB
-
-
-
-
SKY13550
Tape & Reel (TR)
-
-
-
-30°C ~ 90°C
Surface Mount
50Ohm
400MHz ~ 3.8GHz
-
0.8dB
14-UFQFN Exposed Pad
14-QFN (1.6x2)
2.5V ~ 4.8V
RFQ
ADRF5040BCPZ
Analog Devices Inc.
IC RF SWITCH SP4T 12GHZ 24LFCSP
Varastossa2026 pcs
53dBm
SP4T
Absorptive
37dBm
VSAT
8GHz
34dB
-
-
-
-
ADRF5040
Strip
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
9kHz ~ 12GHz
-
0.8dB
24-VFQFN Exposed Pad
24-LFCSP (4x4)
3.3V
RFQ
MASW-007107-TR3000
MACOM Technology Solutions
IC RF SWITCH SPDT 8GHZ 8DFN
Varastossa25380 pcs
-
SPDT
Reflective
27dBm
WLAN
8GHz
20dB
-
-
-
-
MASW-007107
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
-
50Ohm
0Hz ~ 8GHz
-
0.75dB
8-VFDFN Exposed Pad
8-PDFN (2x2)
-
RFQ
HMC199AMS8TR
Analog Devices Inc.
IC RF SWITCH SPDT 2.5GHZ 8MSOP
Varastossa4690 pcs
55dBm
SPDT
-
28dBm
ISM
2GHz, 2.5GHz
25dB
-
-
-
-
HMC199
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
Surface Mount
50Ohm
0Hz ~ 2.5GHz
-
0.6dB
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
8-MSOP
3V, 5V
RFQ
UPG2162T5N-E2-A
CEL
IC RF SWITCH DPDT 6GHZ 6TSON
Varastossa22003 pcs
50dBm
DPDT
Reflective
31dBm
802.11a/b/g/WiFi, WLAN
6GHz
27dB
-
-
-
-
-
Tape & Reel (TR)
-
-
-
-45°C ~ 85°C
-
50Ohm
2.4GHz ~ 6GHz
-
0.85dB
6-XFDFN Exposed Pad
6-TSON
-
RFQ
SKY13404-466LF
Skyworks Solutions Inc.
IC RF SWITCH SP10T 2.7GHZ 26QFN
Varastossa5240 pcs
-
-
-
-
-
-
-
-
-
-
-
SKY13404
Tape & Reel (TR)
-
-
*
-
-
-
-
-
-
-
-
-
RFQ
MASWSS0201TR
MACOM Technology Solutions
IC RF SWITCH SPDT 2.5GHZ 12QFN
Varastossa6675 pcs
44dBm
SPDT
Absorptive
-
CATV
2GHz
43dB
-
-
-
-
MASWSS0201
Tape & Reel (TR)
-
-
-
-40°C ~ 85°C
-
75Ohm
0Hz ~ 2.5GHz
-
1.5dB
12-VFQFN Exposed Pad
12-PQFN (3x3)
-
RFQ
MA4SW410
MACOM Technology Solutions
IC RF SWITCH SP4T 20GHZ DIE
Varastossa1959 pcs
-
SP4T
Reflective
-
General Purpose
20GHz
34dB
-
-
-
-
-
Bulk
-
-
HMIC™
-65°C ~ 125°C
-
-
50MHz ~ 20GHz
-
0.9dB
Die
Die
-
RFQ