NexAgri-Sense Smart Ear Tag System | RFID & Vitals Tracker | NexAgri
Cattle wearing NexAgri Smart Ear Tag in modern commercial dairy farm
Commercial Vitals & Identification Node

Detect Fever Early. Automate Herd Sorting.

Commercial-grade IoT smart ear tags starting at just 8g. Track continuous body temperature trends (±0.5℃ accuracy), log activity pedometer spikes, and sync ISO HDX RFID data directly with automated drafting gates.

Calculate Farm ROI
8g
Ultra-Lightweight
±0.5℃
Thermal Precision
48 Mos
Max Battery Life
IP67 / HDX
ISO Certified

Why Commercial Dairies Choose Smart Ear Tags

Ultra-lightweight biometric nodes engineered to replace manual probing and streamline herd drafting.

48Hrs

Early Fever Warnings

Continuous thermal trend monitoring (0°C–60°C range) with ±0.5℃ sensor accuracy. Identifies systemic fever spikes up to 48 hours before clinical symptoms manifest.

100%

HDX RFID Compliance

Incorporates ISO 11784/11785 Half-Duplex (HDX) RFID chips, allowing automatic sorting gates, parlor antennas, and TMR feeders to identify individual stock effortlessly.

8g

Ultra-Low Ear Strain

Ultra-lightweight models starting from only 8g with optimized ear pin geometry, practically eliminating tissue necrosis, ear dragging, and tag loss.

Hardware Series Configurations

Factory-tested tag configurations engineered for specific housing types and communication infrastructures.

NexAgri-Sense BLE Smart Ear Tags
BLE Series (Barn-Raised)

S316 / S333 / S300 Series

BLE Mesh / High-Density Barns

High-frequency biometric nodes utilizing Bluetooth Low Energy (100m stable gateway range, 200m LOS). Includes S316-P-B E-Doctor (8g, ±0.5℃, IP68, 48-mo battery) and S333-P-B 3-in-1 (21g, HDX RFID, step pedometer).

Key Specifications:
  • IP68 / IP67 Rating (-30°C to +60°C)
  • Hourly Default Uploads (Adjustable)
  • 18 to 48 Months Battery Life
Wide Area Focus
NexAgri-Sense LPWAN Ear Tags
LPWAN Series (Free-Range)

S103-P-N / S204-P-L Series

NB-IoT & LoRaWAN Radio

Engineered for free-range livestock. S103-P-N Rocket connects directly to NB-IoT cellular towers without local gateways (24g). S204-P-L Sniper operates over LoRaWAN with a 2km stable gateway range (13g).

Key Specifications:
  • Bi-hourly Default Uploads & Pedometer
  • IP67 Dust & Waterproof Casing
  • 24 Months Standby Battery Life
NexAgri 4G Solar Smart Ear Tag
4G Solar Series

4G Multi-Positioning Tag

GPS + AGPS + Wi-Fi + LBS

Equipped with a solar charging panel and 600mAh Industrial Lithium Polymer battery. Features 4G Full Netcom (LTE-FDD/TDD), 3D acceleration sensor, vibration alarm, and dual-color LED status indicator (45g, IP65).

Key Specifications:
  • Solar Powered / Continuous Standby
  • Built-in 3-in-1 SIM Card Slot
  • Operating Temp: -20°C to +70°C
Factory Specification Matrix

Actual Product Portfolio & Models

Compare exact factory models derived directly from engineering spec sheets.

Model Name Target Application Connectivity Protocol Primary Sensors / Features Weight & Dimensions Battery & IP Rating
S316-P-B ("E-Doctor") Barn-Raised Livestock BLE (100m Stable Range) ±0.5℃ Thermal Probe (0-60°C) 8g (42×27×9mm) 48 Mos / IP68
S333-P-B (3-in-1) Barn-Raised Cattle BLE + HDX RFID Step Pedometer, Geofence, HDX ID 21g (105×65×8mm) 30 Mos / IP67
S307 / S317 / S321-P-B Pigs, Sheep, Cattle BLE Mesh Temp Trend + Step Pedometer 8g – 13.5g (Compact) 18–48 Mos / IP67
S103-P-N ("Rocket") Low-Density Free-Range NB-IoT Cellular (Tower Direct) Temp Trend + Step Pedometer 24g (50×50×13mm) 24 Mos / IP67
S204-P-L ("Sniper") Free-Range Cattle & Camels LoRaWAN (2km Stable Range) Temp Trend + Step Pedometer 13g (58×30×9mm) 24 Mos / IP67
NexAgri 4G Solar Pasture-Raised Cattle 4G Full Netcom (LTE) GPS/AGPS/Wi-Fi/LBS + 3D Motion 45g (60×42×12mm) Solar / IP65

Engineering Deep Dive & Machinery Integration

Hardware engineered to withstand farm moisture, feeding friction, and automated chute collisions.

Medical TPU Ear Pin
±0.5℃ Sensor & HDX Chip
Parameter Specification Standard
Thermal Probe Precision ±0.5℃ Sensor Accuracy (0℃ to 60℃ Measurement Window)
RFID Identification ISO 11784 / ISO 11785 Compliant HDX (Half-Duplex)
Operational Temperature -30°C to +60°C Climate Adaptability (up to +70°C for 4G Solar)
Form Factor Weight Starts at 8g (S316 / S307) up to 24g (NB-IoT) & 45g (4G Solar)
Enclosure Rating IP68 Hermetic Seal (S316) / IP67 Weatherproof Standard
Ecosystem Synergy

Seamless Machinery Integration

An ear tag is an active biometric sensor. NexAgri feeds live HDX RFID and vital metrics directly into automated sorting gates, parlor entrance antennas, and TMR precision feed systems without human data entry.

Auto-Drafting Gates TMR Feed Rations Parlor ID Sync
Smart Farm Machinery Integration Diagram

Total Cost of Ownership (TCO) & ROI Planning

Evaluating financial payback and operational benefits before hardware procurement.

1. Involuntary Culling & Disease Early Detection

Late disease detection is a leading driver of involuntary culling in commercial dairies. By recording relative temperature trends continuously, NexAgri-Sense S316 tags flag fever spikes up to 48 hours before physical symptoms manifest.

Early therapeutic intervention lowers veterinary bills, reduces antibiotic usage, and prevents herd-wide disease outbreaks.

2. Shortening Open Days & Insemination Timing

Every missed heat cycle incurs significant costs in lost milk yield and extra feed requirements across 21 extra open days.

Integrated pedometers log continuous step activity spikes, alerting managers to the exact artificial insemination window to improve overall conception rates.

3. Labor Savings via Automated Sorting

Manually identifying and separating sick or in-heat cows requires substantial labor hours. Built-in ISO HDX RFID tags automatically trigger drafting gates as cows exit the parlor, routing flagged animals into treatment pens without stopping herd flow.

Financial ROI Analysis

Projected Payback Timeline

Average Hardware Payback 6-12 Months
Disease Intervention Window Up to 48 Hours Early
Sorting Efficiency 100% Automated Chute Drafting

Field-Proven Deployment Scenarios

Commercial setup references from intensive dairies and extensive ranches utilizing NexAgri-Sense infrastructure.

Beef cattle grazing on open pasture in Mato Grosso Brazil using smart ear tags
Mato Grosso, Brazil Brazil

Range Beef Herd Tracking Reference

Scale 3,500 Head
Hardware S316-P-B E-Doctor
Integration Solar Base Stations
Primary Benefit +92% Heat Detection
Outdoor pasture dairy farm in Waikato New Zealand using smart ear tags for cattle health monitoring.
Waikato, New Zealand New Zealand

Pasture Health & ID Reference

Scale 1,200 Cows
Hardware S204-P-L LoRaWAN Tags
Gateways 2 Farm Base Stations
Primary Benefit Early Mastitis Flags

Open API Architecture for Integrators

We avoid closed software ecosystems. Stream NexAgri-Sense telemetry directly into your farm ERP via MQTT brokers, Webhooks, or REST API endpoints.

MQTT Stream

Real-time health telemetry and temperature spike alerts.

Webhooks

Instant HTTP callbacks upon abnormal fever or heat triggers.

REST API

Full documented interface for historical herd data sync.

Cathy Xu

Reviewed by Cathy Xu

Sales Director, NexAgri Solutions

Expert in engineering turnkey dairy projects, automation integration, and heavy agricultural equipment sourcing for large-scale commercial farms worldwide.

Technical Frequently Asked Questions

Technical answers regarding ear tag temperature measurement, battery life, and RFID compatibility.

How accurate is ear tag temperature measurement compared to rectal probes?
NexAgri-Sense S316 tags feature continuous ±0.5℃ thermal accuracy (0℃–60℃ window). Rather than relying on static single readings, our software algorithms process relative temperature trend shifts over 24-hour cycles. This reliably identifies systemic fever spikes 24 to 48 hours before clinical symptoms appear.
Can the built-in RFID sync with third-party sorting gates?
Yes. S333-P-B tags incorporate an ISO 11784/11785 compliant HDX (Half-Duplex) RFID chip. Standard RFID panel readers on parlor entry chutes, drafting gates, and automated feeders scan the tag natively.
What is the battery lifespan, and how are tags replaced?
Depending on the model and data upload interval (e.g., hourly for BLE, 2-hourly for LPWAN), battery longevity ranges from 18 to 48 months (with S316-P-B and S321-P-B delivering up to 48 months). Ear tags are fully sealed IP68/IP67 units; upon battery depletion, the pin is cut and replaced using standard plier applicators.
How do you dispatch and commission overseas ear tag deployments?
We supply pre-coded tag packages and receiver gateways. For commercial installations (2,000+ head), senior NexAgri IoT field engineers provide on-site supervision for gateway placement, receiver antenna alignment, server API integration, and staff application training.

Ready to Digitize Your Herd's Vitals?

Stop guessing. Submit your herd size and barn layout requirements. Our engineering center will supply a customized IoT network design and factory-direct B2B quotation within 24 hours.

Factory direct supply for 50 to 50,000+ Head Operations.