The TW4821 employs Tallysman’s unique Accutenna™ technology in a compact magnetic mount antenna covering the BeiDou B1, GPS L1, Galileo E1 and SBAS (WAAS, EGNOS, QZSS & MSAS) frequency band (1557 to 1593 MHz). It provides truly circular response over its entire bandwidth thereby producing superior multipath signal rejection.
TW4821支持北斗B1、GPSL1、GlonassG1、GalileoE1天线,36dB增益、仅仅50克重。
Features
The TW4821 is housed in a compact, magnetic mount, IP67 compliant housings. It is RoHS and REACH compliant.
For further details, please download the Datasheet.
Antenna
Architecture Wideband Dual Feed Patch Element
1.5 dB radiated power bandwidth (RHCP) 36 MHz
Antenna Gain (with 100mm ground plane) 4.5 dBic
Axial Ratio over Bandwidth (over full bandwidth) <2dB typ. 3dB max.
Polarization RHCP
Specifications
Mechanical:
Architecture: | Dual, quadrature feeds |
Size: | 38mm x 38mm dia. x 14.3mm H |
Weight: | 50g |
Enclosure: | Radome and Base: ASA Plastic |
Attachment Method: | Magnetic |
Environmental: | IP67, REACH, and RoHS compliant |
Electrical:
LNA Gain: | 28dB typ, 26 dB min. |
Supply Current: | 10mA typ. 15mA max. @ 85°C |
Supply Voltage: | 2.5 to 16 VDC nominal (12VDC recommended max.) |
Noise: | 1 dB typ. |
Axial Ratio: | <2dB typ. 3dB max |
For further details, please download the Datasheet.
Drawings
Download TW4821_Datasheet_Rev21.pdf