Dual Band Passive GNSS Antenna
SPATL1254BL5334_JM02
SPATL1254BL5334_JM02 is a dual-band passive GNSS ceramic patch antenna designed for B1I/B1C and L5/B2a signal reception. With a compact stacked patch structure, RHCP polarization, low reflection loss, low axial ratio and high gain performance, it provides reliable GNSS signal reception for multi-frequency navigation systems, receivers, modules and compact positioning terminal devices.
SPATL1254BL5334_JM02 supports B1I/B1C and L5/B2a bands, covering 1559–1592 MHz and 1164–1188 MHz, enabling reliable dual-frequency GNSS signal reception for navigation and positioning applications
The antenna adopts a stacked patch structure with a 25 × 25 × 4 mm top layer and a 33 × 33 × 4 mm bottom layer, supporting compact integration into GNSS receivers, modules and terminal devices
With RHCP polarization, 50 Ω impedance, VSWR ≤2.0, axial ratio ≤3 dB and typical zenith gain ≥3.0 dBic, the antenna delivers stable GNSS reception without requiring external power
Built with a dielectric ceramic substrate, silver-plated electrode and ground base, copper tin-plated pins and NITTO 5000NS adhesive, the antenna is suitable for PCB-level integration in multi-frequency GNSS devices
| Frequency | B1I/B1C: 1559–1592 MHz; L5/B2a: 1164–1188 MHz |
| Nominal Impedance | 50Ω |
| Polarization | RHCP |
| Peak Gain |
B1I/B1C: ≥3.0 dBic typ.; L5/B2a: ≥3.0 dBic typ., ≥-3.0 dBic min. |
| Dimensions | 25*25*4mm +33*33*4mm |
| Weight | N/A |
| Antenna Structure |
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| Mounting | Adhesive mounting / PCB integration |
| Operating Temperature | -40℃ to +85℃ |
| Storage Temperature | -40℃ to +110℃ |
| Moisture Proof | 40±2℃, 90–95% RH, 96 hours; recovery 1–2 hours |
| Vibration | 10–55 Hz, amplitude 1.5 mm, 2 hours each in X/Y/Z directions |
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