Wireless RF Modules and dongles for IoT | Coral RF

N515AS-B is a professional-grade ultra-long-range narrowband RF transceiver SPI module. Integrates Texas Instruments' CC1120 transceiver with a external Power Amplifier (PA) and Low-Noise Amplifier (LNA) to deliver exceptional performance. Operating across the 169 and 433 MHz ISM/SRD bands, up +26 dBm (400mW) output power and an excellent -124 dBm receiver sensitivity. Provides an outstanding RF link budget, enabling reliable, licensed-quality communication over distances exceeding 12 kilometers. Definitive solution for SCADA, telemetry, and advanced metering applications demanding maximum range, spectral efficiency, and reliability.

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2. Key Features & Benefits

Feature	Benefit
RF Power & Range	+26 dBm transmit power, over 12,000 meters in line-of-sight conditions.
Global Frequency	Sub-1 GHz license-free bands (169, 433 MHz).
Industrial	Designed to operate reliably across a wide temperature range (-40°C to +85°C).
Developer Control	All CC1120 and PA/LNA control pins are accessible via a standard SPI interface and GPIOs.

3. Detailed Technical Specifications

Category	Parameter	Specification
RF & Performance	Frequency Range	169, 433 MHz
	Max. Output Power	+26 dBm (400 mW)
	Receiver Sensitivity	-126 dBm @ 1.2 kbps
	Data Rate	0.3 – 200 kbps
	Modulation	2-FSK, 4-FSK, MSK, OOK
	Typical Range	> 12,000 m (LoS, 3 dBi antenna, 1.2 kbps)
Electrical	Core Supply Voltage (VCC)	2.5V – 3.6V (Typ. 3.3V)
	PA Supply Voltage (VCC_PA)	2.5V – 7V (Typ. 5V)
	TX Current (@ +25 dBm)	300 mA (typical on VCC_PA)
	RX Current	35 mA (typical)
	Sleep Current	1 µA (typical)
Physical & Interface	Module Dimensions	29.5 × 21.0 × 3.0 mm
	Host Interface	SPI
	Antenna Interface	IPEX Connector & RF Pad (50Ω)
	Package	SMD
Environmental	Operating Temperature	-40°C to +85°C

5. Pin Configuration & Critical Functions

Pin	Name	Type	Description
1	RF	RF I/O	50Ω RF Antenna Port.
4	VCCPA	Power Input	PA Power Supply (3V to 7V).
5	VCC	Power Input	Core Supply (2.5V to 3.6V). Clean supply for CC1120.
6	VTC	Power/Control	TCXO Power/Enable.
7	LNAC	Digital Output	LNA Control.
8	LNAEN	Digital Input	RX Enable (Active High). Manual enable from host MCU.
9	PAEN	Digital Input	TX Enable (Active High). Manual enable from host MCU.
10	RESET	Digital Input	Chip Reset (Active Low).
13, 14, 15, 17	MOSI, SCK, MISO, CS	Digital I/O	SPI Interface for chip configuration and data exchange.
11, 12, 16	GPIO3, GPIO2, GPIO0	Digital I/O	General Purpose I/O.

6. Why Choose the N515AS-B?

Unmatched Link Budget: Delivers obstacle‑penetrating signal propagation and ultra‑long‑range communication performance.
Industrial-Grade Reliability: Wide operating temperature range and full ESD protection.
Low Cost: low cost module.