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Current imp Hardware Options

How Electric Imp’s Modules Compare

There are currently five hardware modules on the market that contain embedded Electric Imp technology: the imp003, imp004m, imp005 and impC001. The impC002 and imp006 will be made available shortly. All of these modules are fully compatible with the Electric Imp Platform and existing applications (with trivial modifications — see the imp pin mux pages). The following table shows how these modules compare in terms of their size and the range of functionality they offer.

These modules include impOS™, which is provided by Electric Imp under license and is subject to a commercial software licensing fee that is not included in the module purchase price. For more detailed information on impOS licensing, please see Commercial Software Licensing for Third-Party imp Modules.

For information on ordering any of these products or becoming a distributor, please contact us.

imp Modules

Name imp003 imp004m imp005 imp006
Part No. Murata LBWA1ZV1CD Murata LBEE5ZZ1MD Murata LBWA1UZ1GC-901  
Form Factor Multi-chip module Board containing multi-chip module plus antenna Multi-chip module STM32F413ZHJ6 module
plus required radio(s)
Size (L x W) 10x7.9mm 21x17.5mm 10x10mm 10x10mm
plus required radio(s)
IO Pins* 23 18 34 54
GPIO Pins* 23 18 27 54
SPI Two channels Four channels
UART Five channels Three & a half channels Three channels Seven channels
I²C Two channels Three channels
PWM Seven channels Six channels Eight channels
ADC Ten Seven No Ten
Sampler Yes No Yes
DFSDM in No Yes No Yes
DAC Two No Two
Fixed-frequency DAC Yes Via Dual-PWM No Yes
WiFi & Bluetooth 802.11bgn 2.4GHz (20MHz, 1x1), +17dBm max output power, -97dBm best sensitivity. No BLE. 802.11bgn 2.4GHz (20MHz, 1x1), +17dBm max output power, -97dBm best sensitivity. BLE 4.1. 802.11abgn 2.4/5GHz (20MHz/40MHz, 1x1), +17dBm max output power, -98dBm best sensitivity. No BLE Optional
eg. Murata 1MW (802.11abgn/ac+BLE), Murata 1DX (802.11bgn+BLE)
Cellular None
Optional
Quectel BG96
Antenna External antenna required, PCB design provided On-board antenna External antenna required, PCB design provided Radio-specific
Approval FCC/IC modular approval, CE tested FCC/IC modular approval, TELEC modular approval, CE tested FCC/IC modular approval, CE tested Radios have modular approvals
Ethernet None 10/100Mbps with external RMII PHY None
USB None USB 2.0 FS Host None
Core ARM Cortex M4F ARM Cortex R4 ARM Cortex M4F
CPU Clock 144MHz 96MHz 320MHz 96MHz
Application RAM 130KB 180KB 1200KB 240KB
Application Code Space 256KB (Approx. 10,000+ lines of code excluding comments) 768KB** (Approx. 30,000+ lines of code excluding comments) 512KB (Approx. 20,000+ lines of code excluding comments)
Compatibility Write once, run on any module
Power Low power w. ultra-low power 5µA sleep mode with RTC and GPIO wake, and control of external PSU to maximize battery life in 2 x AA/AAA configurations Low power w. ultra-low power 9µA sleep mode with RTC and GPIO wake, and control of external PSU to maximize battery life in 2 x AA/AAA configurations No low power modes Low power w. ultra-low power 6µA sleep mode with RTC and GPIO wake, <TBD idle on-network
Minimum Design Requirement >=4Mbit SPI flash, phototransistor, bi-color LED, antenna. Load switch and 32kHz xtal for low power mode support >=8Mbit SPI flash, phototransistor, bi-color LED. 32kHz xtal for low power mode support >=32Mbit SPI flash, phototransistor, BlinkUp circuit, bi-color LED, 32kHz xtal >=64Mbit SPI flash, phototransistor, bi-color LED, 32kHz xtal for low power mode support
PCB Requirement Four-layer Two-layer Four-layer Four-layer

*imp003, imp004m, imp005 and imp006 deliver other IO and peripheral bus via GPIO pins; imp005 also has seven dedicated peripheral bus pins

**From release 42

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