RFM95W-868S2
LoRa Transceiver ModuleThe RFM95W-868S2 is a lora transceiver module from RF Solutions. View the full RFM95W-868S2 datasheet below including key specifications, absolute maximum ratings.
RFM95W-868S2 shares its datasheet with RFM95, whose page lists every part number it covers.
Official RFM95W-868S2 datasheet (PDF) — the source this page was extracted from.
Manufacturer
RF Solutions
Category
LoRa Transceiver Module
RFM95W-868S2 Key Specifications
| Parameter | Value |
|---|---|
| Standard Pack Qty | 1 |
| IIP3 | -12.5 dBm |
| Modulation | LoRa, FSK, GFSK, MSK, GMSK, OOK |
| RX Current | 10.3 mA |
| Module Size | 16 x 16 mm |
| Sensitivity | down to -148 dBm |
| Packet Engine | up to 256 bytes with CRC |
| Frequency Band | 868 MHz (RFM95W family covers 868/915 MHz) |
| LoRa Bandwidth | 7.8 kHz to 500 kHz |
| Max Output Power | +20 dBm (100 mW) |
| RSSI Dynamic Range | 127 dB |
| Maximum Link Budget | 168 dB |
| LoRa Spreading Factor | 6 to 12 |
| Programmable Bit Rate | up to 300 kbps |
| Effective LoRa Bitrate | 0.018 kbps to 37.5 kbps |
| Synthesizer Resolution | 61 Hz |
| Communication Interface | SPI |
| High Efficiency PA Output | +14 dBm |
| Register Retention Current | 200 nA |
RFM95W-868S2 Overview
Part: RFM95/96/97/98(W) — HopeRF
Type: LoRa / FSK/OOK Sub-GHz Transceiver Module
Description: Low-power long-range LoRa transceiver module with up to -148 dBm sensitivity, +20 dBm maximum output power, 168 dB maximum link budget, and programmable bit rate up to 300 kbps in a 16×16 mm module.
Operating Conditions:
- Supply voltage: see Operating Range table (Table 3); absolute maximum is 3.9 V
- Operating temperature: not given in the provided excerpt (Table 3 content not shown)
- Maximum bit rate: 300 kbps (FSK mode)
Absolute Maximum Ratings:
- Max supply voltage (VDDmr): 3.9 V (min -0.5 V)
- Storage/ambient temperature (Tmr): -55 to +115 °C
- Max junction temperature (Tj): +125 °C
- Max RF input level: +10 dBm
- Specific ratings apply to +20 dBm operation
Key Specs:
- Sensitivity: down to -148 dBm (LoRa)
- Maximum link budget: 168 dB
- RF output power: up to +20 dBm (100 mW), with a +14 dBm high-efficiency PA
- RX current: 10.3 mA
- Register-retention (sleep) current: 200 nA
- IIP3: -12.5 dBm
- RSSI dynamic range: 127 dB
- Synthesizer resolution: 61 Hz
- Packet engine: up to 256 bytes with CRC
Features:
- LoRa modem with FSK, GFSK, MSK, GMSK and OOK modulation
- Programmable bit rate up to 300 kbps
- Excellent blocking immunity
- Built-in bit synchronizer for clock recovery
- Preamble detection
- Automatic RF Sense and CAD with ultra-fast AFC
- Built-in temperature sensor and low battery indicator
- Supports WMBus and IEEE 802.15.4g in (G)FSK modes
Applications:
- Automated meter reading
- Home and building automation
- Wireless alarm and security systems
- Industrial monitoring and control
- Long-range irrigation systems
Package:
- 16×16 mm module (see Section 8 for package outline and land pattern)
RFM95W-868S2 Features
- LoRa TM Modem.
- 168 dB maximum link budget.
- +20 dBm - 100 mW constant RF output vs. V supply.
- +14 dBm high efficiency PA.
- Programmable bit rate up to 300 kbps.
- High sensitivity: down to -148 dBm.
- Bullet-proof front end: IIP3 = -12.5 dBm.
- Excellent blocking immunity.
- Low RX current of 10.3 mA, 200 nA register retention.
- Fully integrated synthesizer with a resolution of 61 Hz.
- FSK, GFSK, MSK, GMSK, LoRa TM and OOK modulation.
- Built-in bit synchronizer for clock recovery.
- Preamble detection.
- 127 dB Dynamic Range RSSI.
- Automatic RF Sense and CAD with ultra-fast AFC.
- Packet engine up to 256 bytes with CRC.
- Built-in temperature sensor and low battery indicator.
- Modue Size : 16*16mm
RFM95W-868S2 Applications
- Automated Meter Reading.
- Home and Building Automation.
- Wireless Alarm and Security Systems.
- Industrial Monitoring and Control
- Long range Irrigation Systems
RFM95W-868S2 Pin Configuration
| Number | Name | Type | Description Description Stand Alone Mode |
|---|---|---|---|
| 1 | GND | - | Ground |
| 2 | MISO | I | SPI Data output |
| 3 | MOSI | O | SPI Data input |
| 4 | SCK | I | SPI Clock input |
| 5 | NSS | I | SPI Chip select input |
| 6 | RESET | I/O | Reset trigger input |
| 7 | DIO5 | I/O | Digital I/O, software configured |
| 8 | GND | - | Ground |
| 9 | ANT | - | RF signal output/input. |
| 10 | GND | - | Ground |
| 11 | DIO3 | I/O | Digital I/O, software configured |
| 12 | DIO4 | I/O | Digital I/O, software configured |
| 13 | 3.3V | - | Supply voltage |
| 14 | DIO0 | I/O | Digital I/O, software configured |
| 15 | DIO1 | I/O | Digital I/O, software configured |
| 16 | DIO2 | I/O | Digital I/O, software configured |
WIRELESS & SENSING
PRELIMINARY
DATASHEET
RFM95W-868S2 Absolute Maximum Ratings
Stresses above the values listed below may cause permanent device failure. Exposure to absolute maximum ratings for extended periods may affect device reliability.
Table 49 Absolute Maximum Ratings
| Symbol | Description | Min | Max | Unit |
|---|---|---|---|---|
| VDDmr | Supply Voltage | -0.5 | 3.9 | V |
| Tmr | Temperature | -55 | +115 | ° C |
| Tj | Junction temperature | - | +125 | ° C |
| Pmr | RF Input Level | - | +10 | dBm |
Note Specific ratings apply to +20 dBm operation (see Section 5.4.3).
RFM95W-868S2 Package Information
The RFM95/96/97/98(W) is available as shown in Figure 56
UNIT : mm
WIRELESS & SENSING
PRELIMINARY
DATASHEET
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| RFM95 | W | — |
| RFM95/96/97/98 | W | — |
| RFM95W | W | — |
| RFM95W-915S2 | W | SMD 16x16mm |
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