Bluetooth WLAN SAW filter kinghelm KH-SAWF244A supporting LTE Band 7 40 with low loss RF performance

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Product Description

Product Overview

The KH-SAWF244A is a low-loss RF filter designed for Bluetooth/WLAN applications, offering coexistence with LTE Band 7/40. It features 50-ohm input and output impedance for unbalanced to unbalanced operation, a usable passband of 78MHz, and is RoHS compatible. This SAW filter is suitable for applications requiring reliable RF performance in crowded spectrum environments.

Product Attributes

Brand: SHENZHEN KINGHEL0 ELECTRON CO.,LTD.
Model Number: KH-SAWF244A
Marking: B176
Compatibility: Band 7/40
Certifications: RoHS compatible

Technical Specifications

Item	Test Condition	Min	Typ	Max	Unit
Center Frequency (Fc)	-	-	2442	-	MHz
Insertion Loss (CH1)	2402.5~2421.5 MHz	-	1.8	2.2	dB
Insertion Loss (CH2)	2407.5~2426.5 MHz	-	1.5	1.8	dB
Insertion Loss (CH3~11)	2412.5~2471.5	-	1.5	1.8	dB
Insertion Loss (CH12)	2457.5~2476.5	-	1.8	2.0	dB
Insertion Loss (CH13)	2462.5~2481.5	-	2.0	2.3	dB
Amplitude Ripple (p-p)	2401~2483 MHz	-	1.2	2.0	dB
VSWR	2401~2483 MHz	-	1.7	2.1	-
Attenuation	800~2300 MHz	25	30	-	dB
Attenuation	2300~2320 MHz	35	38	-	dB
Attenuation	2320~2370 MHz	40	43	-	dB
Attenuation	2370~2380 MHz	28	32	-	dB
Attenuation	2390 MHz	6	8	-	dB
Attenuation	2500~2510MHz	20	26	-	dB
Attenuation	2510~2570MHz	37	40	-	dB
Attenuation	2555~2605MHz	32	35	-	dB
Attenuation	2605~2655MHz	30	32	-	dB
Attenuation	2690~4000MHz	20	30	-	dB
Attenuation	4000~5000MHz	20	30	-	dB
Input/Output Impedance	-	-	50//18nH	-	-
Operation temperature range	-	-30	-	+85
Storage temperature range	-	-40	-	+85
ESD voltage (MM)	-	-	50	-	VDC
ESD voltage (HBM)	-	-	175	-	VDC
DC Voltage (VDC)	25+/-2 deg.C	-	5	-	V
Max Input Power	2000h	-	24	-	dBm