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Key applications include navigation devices, mobile electronics and two-way radios.
Ceramic chip and helical antenna modules that support GPS, GLONASS, Beidou, Galileo and QZSS and use SBAS make up the selection in mainland China. The former comes in 12x12mm, 15x15mm, 18x18mm and 25x25mm variants, and suits navigation and mobile electronics devices. The key specifications are 1,177, 1,575 or 1,602MHz frequency, 1.5 VSWR and -40 to 85 C operating temperature. Helical types are mainly for two-way radios.
In recent years, local makers have been paying attention to high sensitivity, low power dissipation and small form. Most continue to focus on 4G modules but are also keeping an eye on 5G. Major suppliers such as Tongyu Communication have started R&D on the latter, encouraged by the projected 5G market scale of up to $15 billion in 2019.
Companies purchase materials and components such as ceramic, silver, DSPs, PCBs, bandpass filters, low-noise amplifiers, transistors and diodes from domestic or foreign providers as required. Skyworks and Qorvo are among the main sources overseas and Fingu and Tatfook the local counterparts. Most manufacturers predict stable input costs and module prices will last until end-2019.
The products in this gallery have been handpicked by our market analyst for representing current trends in antenna modules from mainland China and Taiwan makers.

From Navisys Technology Corp., the model GM-5014 antenna module supports GPS, QZSS, Beidou, and SBAS such as WAAS, EGNOS, MSAS and GAGAN. The unit has up to 10Hz update rate, -165dBm tracking sensitivity, 29mA power at continuous tracking and 1pps timing accuracy. It operates in -40 to 85 C.
The order quantity is negotiable. Delivery lead time is 7 days.

The model GM-5019 antenna module from Navisys Technology Corp. has up to 10Hz update rate, -165dBm tracking sensitivity, 30mA power at continuous tracking and ±10ns adjustable duty cycle. It features 12 multitone active interference cancellers, and indoor and outdoor multipath detection and compensation. SBAS is supported, including WAAS, EGNOS, MSAS and GAGAN. The operating temperature is -40 to 85 C.
The minimum order is negotiable. Delivery is within 7 days.

RFwin Precision Electromechanical Technology Co. Ltd's 70x70mm antenna module, T.G1575S15T02GB model, has 1,575MHz center frequency, 3MHz bandwidth and 1.5 VSWR in bandwidth.
The negotiable minimum order is for delivery in 7 days.

This antenna module from RFwin Precision Electromechanical Technology Co. Ltd, FPA1177S25T40GA model, has 1,177MHz center frequency and 3MHz bandwidth.
The 70x70mm model with 1.5 VSWR in bandwidth has a negotiable minimum order. Delivery is within 7 days.

Tekfun Co. Ltd offers this RoHS-compliant GPS+GLONASS active antenna module with SAW. The GPS-GOEM15154T model has 1,575.42 or 1,602MHz frequency, 27dB typical gain and minimum 6MHz at S11 ≤-10dB bandwidth. The unit with 3.3V voltage and <9mA typical current is 15x15x4mm.
An order of at least 1,000 units is for delivery within 14 days.

The model PA-001-GG10 antenna module from Tekfun Co. Ltd has 1,575.42±1.023 or 1,602±6.5MHz frequency, maximum 2 VSWR and 50ohm impedance. The RoHS-compliant unit measures 10x10x4mm.
The 1,000-unit minimum order has a delivery lead time of 14 days.
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